libgo: Update to current Go library.

From-SVN: r172106

110 files changed, 4609 insertions, 3137 deletions

diff --git a/libgo/MERGE b/libgo/MERGE
index b78ba69..237a0c2 100644
--- a/libgo/MERGE
+++ b/libgo/MERGE
@@ -1,4 +1,4 @@
-342e3b11f21a
+f618e5e0991d
 
 The first line of this file holds the Mercurial revision number of the
 last merge done from the master library sources.
diff --git a/libgo/Makefile.am b/libgo/Makefile.am
index c40456f..3c94331 100644
--- a/libgo/Makefile.am
+++ b/libgo/Makefile.am
@@ -177,10 +177,10 @@ toolexeclibgocryptodir = $(toolexeclibgodir)/crypto
 
 toolexeclibgocrypto_DATA = \
 	crypto/aes.gox \
-	crypto/block.gox \
 	crypto/blowfish.gox \
 	crypto/cast5.gox \
 	crypto/cipher.gox \
+	crypto/des.gox \
 	crypto/dsa.gox \
 	crypto/ecdsa.gox \
 	crypto/elliptic.gox \
@@ -727,9 +727,12 @@ go_os_files = \
 	go/os/env.go \
 	go/os/env_unix.go \
 	go/os/error.go \
+	go/os/error_posix.go \
 	go/os/exec.go \
+	go/os/exec_posix.go \
 	go/os/exec_unix.go \
 	go/os/file.go \
+	go/os/file_posix.go \
 	go/os/file_unix.go \
 	go/os/getwd.go \
 	go/os/path.go \
@@ -932,16 +935,6 @@ go_crypto_aes_files = \
 	go/crypto/aes/block.go \
 	go/crypto/aes/cipher.go \
 	go/crypto/aes/const.go
-go_crypto_block_files = \
-	go/crypto/block/cbc.go \
-	go/crypto/block/cfb.go \
-	go/crypto/block/cmac.go \
-	go/crypto/block/cipher.go \
-	go/crypto/block/ctr.go \
-	go/crypto/block/eax.go \
-	go/crypto/block/ecb.go \
-	go/crypto/block/ofb.go \
-	go/crypto/block/xor.go
 go_crypto_blowfish_files = \
 	go/crypto/blowfish/block.go \
 	go/crypto/blowfish/const.go \
@@ -956,6 +949,10 @@ go_crypto_cipher_files = \
 	go/crypto/cipher/io.go \
 	go/crypto/cipher/ocfb.go \
 	go/crypto/cipher/ofb.go
+go_crypto_des_files = \
+	go/crypto/des/block.go \
+	go/crypto/des/cipher.go \
+	go/crypto/des/const.go
 go_crypto_dsa_files = \
 	go/crypto/dsa/dsa.go
 go_crypto_ecdsa_files = \
@@ -1428,10 +1425,10 @@ libgo_go_objs = \
 	container/ring.lo \
 	container/vector.lo \
 	crypto/aes.lo \
-	crypto/block.lo \
 	crypto/blowfish.lo \
 	crypto/cast5.lo \
 	crypto/cipher.lo \
+	crypto/des.lo \
 	crypto/dsa.lo \
 	crypto/ecdsa.lo \
 	crypto/elliptic.lo \
@@ -2026,13 +2023,6 @@ crypto/aes/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/aes/check
 
-crypto/block.lo: $(go_crypto_block_files) fmt.gox io.gox os.gox strconv.gox
-	$(BUILDPACKAGE)
-crypto/block/check: $(CHECK_DEPS)
-	@$(MKDIR_P) crypto/block
-	@$(CHECK)
-.PHONY: crypto/block/check
-
 crypto/blowfish.lo: $(go_crypto_blowfish_files) os.gox strconv.gox
 	$(BUILDPACKAGE)
 crypto/blowfish/check: $(CHECK_DEPS)
@@ -2054,6 +2044,13 @@ crypto/cipher/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/cipher/check
 
+crypto/des.lo: $(go_crypto_des_files) encoding/binary.gox os.gox strconv.gox
+	$(BUILDPACKAGE)
+crypto/des/check: $(CHECK_DEPS)
+	@$(MKDIR_P) crypto/des
+	@$(CHECK)
+.PHONY: crypto/des/check
+
 crypto/dsa.lo: $(go_crypto_dsa_files) big.gox io.gox os.gox
 	$(BUILDPACKAGE)
 crypto/dsa/check: $(CHECK_DEPS)
@@ -2139,7 +2136,8 @@ crypto/ripemd160/check: $(CHECK_DEPS)
 .PHONY: crypto/ripemd160/check
 
 crypto/rsa.lo: $(go_crypto_rsa_files) big.gox crypto.gox crypto/sha1.gox \
-		crypto/subtle.gox encoding/hex.gox hash.gox io.gox os.gox
+		crypto/subtle.gox encoding/hex.gox hash.gox io.gox os.gox \
+		sync.gox
 	$(BUILDPACKAGE)
 crypto/rsa/check: $(CHECK_DEPS)
 	@$(MKDIR_P) crypto/rsa
@@ -2475,8 +2473,8 @@ http/cgi/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: http/cgi/check
 
-http/httptest.lo: $(go_http_httptest_files) bytes.gox fmt.gox http.gox \
-		net.gox os.gox
+http/httptest.lo: $(go_http_httptest_files) bytes.gox crypto/rand.gox \
+		crypto/tls.gox fmt.gox http.gox net.gox os.gox time.gox
 	$(BUILDPACKAGE)
 http/httptest/check: $(CHECK_DEPS)
 	@$(MKDIR_P) http/httptest
@@ -2767,14 +2765,14 @@ container/vector.gox: container/vector.lo
 
 crypto/aes.gox: crypto/aes.lo
 	$(BUILDGOX)
-crypto/block.gox: crypto/block.lo
-	$(BUILDGOX)
 crypto/blowfish.gox: crypto/blowfish.lo
 	$(BUILDGOX)
 crypto/cast5.gox: crypto/cast5.lo
 	$(BUILDGOX)
 crypto/cipher.gox: crypto/cipher.lo
 	$(BUILDGOX)
+crypto/des.gox: crypto/des.lo
+	$(BUILDGOX)
 crypto/dsa.gox: crypto/dsa.lo
 	$(BUILDGOX)
 crypto/ecdsa.gox: crypto/ecdsa.lo	
@@ -3002,10 +3000,10 @@ TEST_PACKAGES = \
 	container/ring/check \
 	container/vector/check \
 	crypto/aes/check \
-	crypto/block/check \
 	crypto/blowfish/check \
 	crypto/cast5/check \
 	crypto/cipher/check \
+	crypto/des/check \
 	crypto/dsa/check \
 	crypto/ecdsa/check \
 	crypto/elliptic/check \
diff --git a/libgo/Makefile.in b/libgo/Makefile.in
index 10f86f1..da881d5 100644
--- a/libgo/Makefile.in
+++ b/libgo/Makefile.in
@@ -140,31 +140,30 @@ am__DEPENDENCIES_2 = asn1/asn1.lo big/big.lo bufio/bufio.lo \
 	archive/zip.lo compress/bzip2.lo compress/flate.lo \
 	compress/gzip.lo compress/lzw.lo compress/zlib.lo \
 	container/heap.lo container/list.lo container/ring.lo \
-	container/vector.lo crypto/aes.lo crypto/block.lo \
-	crypto/blowfish.lo crypto/cast5.lo crypto/cipher.lo \
-	crypto/dsa.lo crypto/ecdsa.lo crypto/elliptic.lo \
-	crypto/hmac.lo crypto/md4.lo crypto/md5.lo crypto/ocsp.lo \
-	crypto/openpgp.lo crypto/rand.lo crypto/rc4.lo \
-	crypto/ripemd160.lo crypto/rsa.lo crypto/sha1.lo \
-	crypto/sha256.lo crypto/sha512.lo crypto/subtle.lo \
-	crypto/tls.lo crypto/twofish.lo crypto/x509.lo crypto/xtea.lo \
-	crypto/openpgp/armor.lo crypto/openpgp/error.lo \
-	crypto/openpgp/packet.lo crypto/openpgp/s2k.lo debug/dwarf.lo \
-	debug/elf.lo debug/gosym.lo debug/macho.lo debug/pe.lo \
-	debug/proc.lo encoding/ascii85.lo encoding/base32.lo \
-	encoding/base64.lo encoding/binary.lo encoding/git85.lo \
-	encoding/hex.lo encoding/line.lo encoding/pem.lo \
-	exp/datafmt.lo exp/draw.lo exp/eval.lo go/ast.lo go/doc.lo \
-	go/parser.lo go/printer.lo go/scanner.lo go/token.lo \
-	go/typechecker.lo hash/adler32.lo hash/crc32.lo hash/crc64.lo \
-	hash/fnv.lo http/cgi.lo http/httptest.lo http/pprof.lo \
-	image/jpeg.lo image/png.lo index/suffixarray.lo io/ioutil.lo \
-	mime/multipart.lo net/dict.lo net/textproto.lo \
-	$(am__DEPENDENCIES_1) os/signal.lo path/filepath.lo \
-	rpc/jsonrpc.lo runtime/debug.lo runtime/pprof.lo \
-	sync/atomic.lo sync/atomic_c.lo syscalls/syscall.lo \
-	syscalls/errno.lo testing/testing.lo testing/iotest.lo \
-	testing/quick.lo testing/script.lo
+	container/vector.lo crypto/aes.lo crypto/blowfish.lo \
+	crypto/cast5.lo crypto/cipher.lo crypto/des.lo crypto/dsa.lo \
+	crypto/ecdsa.lo crypto/elliptic.lo crypto/hmac.lo \
+	crypto/md4.lo crypto/md5.lo crypto/ocsp.lo crypto/openpgp.lo \
+	crypto/rand.lo crypto/rc4.lo crypto/ripemd160.lo crypto/rsa.lo \
+	crypto/sha1.lo crypto/sha256.lo crypto/sha512.lo \
+	crypto/subtle.lo crypto/tls.lo crypto/twofish.lo \
+	crypto/x509.lo crypto/xtea.lo crypto/openpgp/armor.lo \
+	crypto/openpgp/error.lo crypto/openpgp/packet.lo \
+	crypto/openpgp/s2k.lo debug/dwarf.lo debug/elf.lo \
+	debug/gosym.lo debug/macho.lo debug/pe.lo debug/proc.lo \
+	encoding/ascii85.lo encoding/base32.lo encoding/base64.lo \
+	encoding/binary.lo encoding/git85.lo encoding/hex.lo \
+	encoding/line.lo encoding/pem.lo exp/datafmt.lo exp/draw.lo \
+	exp/eval.lo go/ast.lo go/doc.lo go/parser.lo go/printer.lo \
+	go/scanner.lo go/token.lo go/typechecker.lo hash/adler32.lo \
+	hash/crc32.lo hash/crc64.lo hash/fnv.lo http/cgi.lo \
+	http/httptest.lo http/pprof.lo image/jpeg.lo image/png.lo \
+	index/suffixarray.lo io/ioutil.lo mime/multipart.lo \
+	net/dict.lo net/textproto.lo $(am__DEPENDENCIES_1) \
+	os/signal.lo path/filepath.lo rpc/jsonrpc.lo runtime/debug.lo \
+	runtime/pprof.lo sync/atomic.lo sync/atomic_c.lo \
+	syscalls/syscall.lo syscalls/errno.lo testing/testing.lo \
+	testing/iotest.lo testing/quick.lo testing/script.lo
 libgo_la_DEPENDENCIES = $(am__DEPENDENCIES_2) $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1)
@@ -624,10 +623,10 @@ toolexeclibgocontainer_DATA = \
 toolexeclibgocryptodir = $(toolexeclibgodir)/crypto
 toolexeclibgocrypto_DATA = \
 	crypto/aes.gox \
-	crypto/block.gox \
 	crypto/blowfish.gox \
 	crypto/cast5.gox \
 	crypto/cipher.gox \
+	crypto/des.gox \
 	crypto/dsa.gox \
 	crypto/ecdsa.gox \
 	crypto/elliptic.gox \
@@ -1087,9 +1086,12 @@ go_os_files = \
 	go/os/env.go \
 	go/os/env_unix.go \
 	go/os/error.go \
+	go/os/error_posix.go \
 	go/os/exec.go \
+	go/os/exec_posix.go \
 	go/os/exec_unix.go \
 	go/os/file.go \
+	go/os/file_posix.go \
 	go/os/file_unix.go \
 	go/os/getwd.go \
 	go/os/path.go \
@@ -1279,17 +1281,6 @@ go_crypto_aes_files = \
 	go/crypto/aes/cipher.go \
 	go/crypto/aes/const.go
 
-go_crypto_block_files = \
-	go/crypto/block/cbc.go \
-	go/crypto/block/cfb.go \
-	go/crypto/block/cmac.go \
-	go/crypto/block/cipher.go \
-	go/crypto/block/ctr.go \
-	go/crypto/block/eax.go \
-	go/crypto/block/ecb.go \
-	go/crypto/block/ofb.go \
-	go/crypto/block/xor.go
-
 go_crypto_blowfish_files = \
 	go/crypto/blowfish/block.go \
 	go/crypto/blowfish/const.go \
@@ -1307,6 +1298,11 @@ go_crypto_cipher_files = \
 	go/crypto/cipher/ocfb.go \
 	go/crypto/cipher/ofb.go
 
+go_crypto_des_files = \
+	go/crypto/des/block.go \
+	go/crypto/des/cipher.go \
+	go/crypto/des/const.go
+
 go_crypto_dsa_files = \
 	go/crypto/dsa/dsa.go
 
@@ -1766,10 +1762,10 @@ libgo_go_objs = \
 	container/ring.lo \
 	container/vector.lo \
 	crypto/aes.lo \
-	crypto/block.lo \
 	crypto/blowfish.lo \
 	crypto/cast5.lo \
 	crypto/cipher.lo \
+	crypto/des.lo \
 	crypto/dsa.lo \
 	crypto/ecdsa.lo \
 	crypto/elliptic.lo \
@@ -2008,10 +2004,10 @@ TEST_PACKAGES = \
 	container/ring/check \
 	container/vector/check \
 	crypto/aes/check \
-	crypto/block/check \
 	crypto/blowfish/check \
 	crypto/cast5/check \
 	crypto/cipher/check \
+	crypto/des/check \
 	crypto/dsa/check \
 	crypto/ecdsa/check \
 	crypto/elliptic/check \
@@ -4436,13 +4432,6 @@ crypto/aes/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/aes/check
 
-crypto/block.lo: $(go_crypto_block_files) fmt.gox io.gox os.gox strconv.gox
-	$(BUILDPACKAGE)
-crypto/block/check: $(CHECK_DEPS)
-	@$(MKDIR_P) crypto/block
-	@$(CHECK)
-.PHONY: crypto/block/check
-
 crypto/blowfish.lo: $(go_crypto_blowfish_files) os.gox strconv.gox
 	$(BUILDPACKAGE)
 crypto/blowfish/check: $(CHECK_DEPS)
@@ -4464,6 +4453,13 @@ crypto/cipher/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/cipher/check
 
+crypto/des.lo: $(go_crypto_des_files) encoding/binary.gox os.gox strconv.gox
+	$(BUILDPACKAGE)
+crypto/des/check: $(CHECK_DEPS)
+	@$(MKDIR_P) crypto/des
+	@$(CHECK)
+.PHONY: crypto/des/check
+
 crypto/dsa.lo: $(go_crypto_dsa_files) big.gox io.gox os.gox
 	$(BUILDPACKAGE)
 crypto/dsa/check: $(CHECK_DEPS)
@@ -4549,7 +4545,8 @@ crypto/ripemd160/check: $(CHECK_DEPS)
 .PHONY: crypto/ripemd160/check
 
 crypto/rsa.lo: $(go_crypto_rsa_files) big.gox crypto.gox crypto/sha1.gox \
-		crypto/subtle.gox encoding/hex.gox hash.gox io.gox os.gox
+		crypto/subtle.gox encoding/hex.gox hash.gox io.gox os.gox \
+		sync.gox
 	$(BUILDPACKAGE)
 crypto/rsa/check: $(CHECK_DEPS)
 	@$(MKDIR_P) crypto/rsa
@@ -4885,8 +4882,8 @@ http/cgi/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: http/cgi/check
 
-http/httptest.lo: $(go_http_httptest_files) bytes.gox fmt.gox http.gox \
-		net.gox os.gox
+http/httptest.lo: $(go_http_httptest_files) bytes.gox crypto/rand.gox \
+		crypto/tls.gox fmt.gox http.gox net.gox os.gox time.gox
 	$(BUILDPACKAGE)
 http/httptest/check: $(CHECK_DEPS)
 	@$(MKDIR_P) http/httptest
@@ -5172,14 +5169,14 @@ container/vector.gox: container/vector.lo
 
 crypto/aes.gox: crypto/aes.lo
 	$(BUILDGOX)
-crypto/block.gox: crypto/block.lo
-	$(BUILDGOX)
 crypto/blowfish.gox: crypto/blowfish.lo
 	$(BUILDGOX)
 crypto/cast5.gox: crypto/cast5.lo
 	$(BUILDGOX)
 crypto/cipher.gox: crypto/cipher.lo
 	$(BUILDGOX)
+crypto/des.gox: crypto/des.lo
+	$(BUILDGOX)
 crypto/dsa.gox: crypto/dsa.lo
 	$(BUILDGOX)
 crypto/ecdsa.gox: crypto/ecdsa.lo	
diff --git a/libgo/go/archive/tar/reader.go b/libgo/go/archive/tar/reader.go
index 35a15f7..1b41196 100644
--- a/libgo/go/archive/tar/reader.go
+++ b/libgo/go/archive/tar/reader.go
@@ -95,7 +95,7 @@ func (tr *Reader) skipUnread() {
 	nr := tr.nb + tr.pad // number of bytes to skip
 	tr.nb, tr.pad = 0, 0
 	if sr, ok := tr.r.(io.Seeker); ok {
-		if _, err := sr.Seek(nr, 1); err == nil {
+		if _, err := sr.Seek(nr, os.SEEK_CUR); err == nil {
 			return
 		}
 	}
diff --git a/libgo/go/archive/tar/reader_test.go b/libgo/go/archive/tar/reader_test.go
index aa4c797..32fc8f9 100644
--- a/libgo/go/archive/tar/reader_test.go
+++ b/libgo/go/archive/tar/reader_test.go
@@ -113,7 +113,7 @@ var untarTests = []*untarTest{
 func TestReader(t *testing.T) {
 testLoop:
 	for i, test := range untarTests {
-		f, err := os.Open(test.file, os.O_RDONLY, 0444)
+		f, err := os.Open(test.file)
 		if err != nil {
 			t.Errorf("test %d: Unexpected error: %v", i, err)
 			continue
@@ -143,7 +143,7 @@ testLoop:
 }
 
 func TestPartialRead(t *testing.T) {
-	f, err := os.Open("testdata/gnu.tar", os.O_RDONLY, 0444)
+	f, err := os.Open("testdata/gnu.tar")
 	if err != nil {
 		t.Fatalf("Unexpected error: %v", err)
 	}
@@ -181,7 +181,7 @@ func TestPartialRead(t *testing.T) {
 
 func TestIncrementalRead(t *testing.T) {
 	test := gnuTarTest
-	f, err := os.Open(test.file, os.O_RDONLY, 0444)
+	f, err := os.Open(test.file)
 	if err != nil {
 		t.Fatalf("Unexpected error: %v", err)
 	}
@@ -235,7 +235,7 @@ func TestIncrementalRead(t *testing.T) {
 
 func TestNonSeekable(t *testing.T) {
 	test := gnuTarTest
-	f, err := os.Open(test.file, os.O_RDONLY, 0444)
+	f, err := os.Open(test.file)
 	if err != nil {
 		t.Fatalf("Unexpected error: %v", err)
 	}
diff --git a/libgo/go/archive/zip/reader.go b/libgo/go/archive/zip/reader.go
index 3b265c9..543007a 100644
--- a/libgo/go/archive/zip/reader.go
+++ b/libgo/go/archive/zip/reader.go
@@ -49,7 +49,7 @@ func (f *File) hasDataDescriptor() bool {
 
 // OpenReader will open the Zip file specified by name and return a Reader.
 func OpenReader(name string) (*Reader, os.Error) {
-	f, err := os.Open(name, os.O_RDONLY, 0644)
+	f, err := os.Open(name)
 	if err != nil {
 		return nil, err
 	}
@@ -73,7 +73,7 @@ func NewReader(r io.ReaderAt, size int64) (*Reader, os.Error) {
 		Comment: end.comment,
 	}
 	rs := io.NewSectionReader(r, 0, size)
-	if _, err = rs.Seek(int64(end.directoryOffset), 0); err != nil {
+	if _, err = rs.Seek(int64(end.directoryOffset), os.SEEK_SET); err != nil {
 		return nil, err
 	}
 	buf := bufio.NewReader(rs)
@@ -94,7 +94,7 @@ func (f *File) Open() (rc io.ReadCloser, err os.Error) {
 		if err = readFileHeader(f, r); err != nil {
 			return
 		}
-		if f.bodyOffset, err = r.Seek(0, 1); err != nil {
+		if f.bodyOffset, err = r.Seek(0, os.SEEK_CUR); err != nil {
 			return
 		}
 	}
diff --git a/libgo/go/bufio/bufio.go b/libgo/go/bufio/bufio.go
index eae5c5c..cd08be3 100644
--- a/libgo/go/bufio/bufio.go
+++ b/libgo/go/bufio/bufio.go
@@ -415,38 +415,27 @@ func (b *Writer) Buffered() int { return b.n }
 // If nn < len(p), it also returns an error explaining
 // why the write is short.
 func (b *Writer) Write(p []byte) (nn int, err os.Error) {
-	if b.err != nil {
-		return 0, b.err
-	}
-	nn = 0
-	for len(p) > 0 {
-		n := b.Available()
-		if n <= 0 {
-			if b.Flush(); b.err != nil {
-				break
-			}
-			n = b.Available()
-		}
-		if b.Buffered() == 0 && len(p) >= len(b.buf) {
+	for len(p) > b.Available() && b.err == nil {
+		var n int
+		if b.Buffered() == 0 {
 			// Large write, empty buffer.
 			// Write directly from p to avoid copy.
 			n, b.err = b.wr.Write(p)
-			nn += n
-			p = p[n:]
-			if b.err != nil {
-				break
-			}
-			continue
-		}
-		if n > len(p) {
-			n = len(p)
+		} else {
+			n = copy(b.buf[b.n:], p)
+			b.n += n
+			b.Flush()
 		}
-		copy(b.buf[b.n:b.n+n], p[0:n])
-		b.n += n
 		nn += n
 		p = p[n:]
 	}
-	return nn, b.err
+	if b.err != nil {
+		return nn, b.err
+	}
+	n := copy(b.buf[b.n:], p)
+	b.n += n
+	nn += n
+	return nn, nil
 }
 
 // WriteByte writes a single byte.
@@ -496,24 +485,21 @@ func (b *Writer) WriteRune(rune int) (size int, err os.Error) {
 // If the count is less than len(s), it also returns an error explaining
 // why the write is short.
 func (b *Writer) WriteString(s string) (int, os.Error) {
-	if b.err != nil {
-		return 0, b.err
-	}
-	// Common case, worth making fast.
-	if b.Available() >= len(s) || len(b.buf) >= len(s) && b.Flush() == nil {
-		for i := 0; i < len(s); i++ { // loop over bytes, not runes.
-			b.buf[b.n] = s[i]
-			b.n++
-		}
-		return len(s), nil
+	nn := 0
+	for len(s) > b.Available() && b.err == nil {
+		n := copy(b.buf[b.n:], s)
+		b.n += n
+		nn += n
+		s = s[n:]
+		b.Flush()
 	}
-	for i := 0; i < len(s); i++ { // loop over bytes, not runes.
-		b.WriteByte(s[i])
-		if b.err != nil {
-			return i, b.err
-		}
+	if b.err != nil {
+		return nn, b.err
 	}
-	return len(s), nil
+	n := copy(b.buf[b.n:], s)
+	b.n += n
+	nn += n
+	return nn, nil
 }
 
 // buffered input and output
diff --git a/libgo/go/compress/lzw/writer_test.go b/libgo/go/compress/lzw/writer_test.go
index 2e0a8de..e5815a0 100644
--- a/libgo/go/compress/lzw/writer_test.go
+++ b/libgo/go/compress/lzw/writer_test.go
@@ -21,7 +21,7 @@ var filenames = []string{
 // the given options yields equivalent bytes to the original file.
 func testFile(t *testing.T, fn string, order Order, litWidth int) {
 	// Read the file, as golden output.
-	golden, err := os.Open(fn, os.O_RDONLY, 0400)
+	golden, err := os.Open(fn)
 	if err != nil {
 		t.Errorf("%s (order=%d litWidth=%d): %v", fn, order, litWidth, err)
 		return
@@ -29,7 +29,7 @@ func testFile(t *testing.T, fn string, order Order, litWidth int) {
 	defer golden.Close()
 
 	// Read the file again, and push it through a pipe that compresses at the write end, and decompresses at the read end.
-	raw, err := os.Open(fn, os.O_RDONLY, 0400)
+	raw, err := os.Open(fn)
 	if err != nil {
 		t.Errorf("%s (order=%d litWidth=%d): %v", fn, order, litWidth, err)
 		return
diff --git a/libgo/go/compress/zlib/writer_test.go b/libgo/go/compress/zlib/writer_test.go
index 5a13ba8..7eb1cd4 100644
--- a/libgo/go/compress/zlib/writer_test.go
+++ b/libgo/go/compress/zlib/writer_test.go
@@ -20,7 +20,7 @@ var filenames = []string{
 // yields equivalent bytes to the original file.
 func testFileLevel(t *testing.T, fn string, level int) {
 	// Read the file, as golden output.
-	golden, err := os.Open(fn, os.O_RDONLY, 0444)
+	golden, err := os.Open(fn)
 	if err != nil {
 		t.Errorf("%s (level=%d): %v", fn, level, err)
 		return
@@ -28,7 +28,7 @@ func testFileLevel(t *testing.T, fn string, level int) {
 	defer golden.Close()
 
 	// Read the file again, and push it through a pipe that compresses at the write end, and decompresses at the read end.
-	raw, err := os.Open(fn, os.O_RDONLY, 0444)
+	raw, err := os.Open(fn)
 	if err != nil {
 		t.Errorf("%s (level=%d): %v", fn, level, err)
 		return
diff --git a/libgo/go/crypto/block/cbc.go b/libgo/go/crypto/block/cbc.go
deleted file mode 100644
index 23229c0..0000000
--- a/libgo/go/crypto/block/cbc.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Cipher block chaining (CBC) mode.
-
-// CBC provides confidentiality by xoring (chaining) each plaintext block
-// with the previous ciphertext block before applying the block cipher.
-
-// See NIST SP 800-38A, pp 10-11
-
-package block
-
-import (
-	"io"
-)
-
-type cbcCipher struct {
-	c         Cipher
-	blockSize int
-	iv        []byte
-	tmp       []byte
-}
-
-func newCBC(c Cipher, iv []byte) *cbcCipher {
-	n := c.BlockSize()
-	x := new(cbcCipher)
-	x.c = c
-	x.blockSize = n
-	x.iv = dup(iv)
-	x.tmp = make([]byte, n)
-	return x
-}
-
-func (x *cbcCipher) BlockSize() int { return x.blockSize }
-
-func (x *cbcCipher) Encrypt(dst, src []byte) {
-	for i := 0; i < x.blockSize; i++ {
-		x.iv[i] ^= src[i]
-	}
-	x.c.Encrypt(x.iv, x.iv)
-	for i := 0; i < x.blockSize; i++ {
-		dst[i] = x.iv[i]
-	}
-}
-
-func (x *cbcCipher) Decrypt(dst, src []byte) {
-	x.c.Decrypt(x.tmp, src)
-	for i := 0; i < x.blockSize; i++ {
-		x.tmp[i] ^= x.iv[i]
-		x.iv[i] = src[i]
-		dst[i] = x.tmp[i]
-	}
-}
-
-// NewCBCDecrypter returns a reader that reads data from r and decrypts it using c
-// in cipher block chaining (CBC) mode with the initialization vector iv.
-// The returned Reader does not buffer or read ahead except
-// as required by the cipher's block size.
-func NewCBCDecrypter(c Cipher, iv []byte, r io.Reader) io.Reader {
-	return NewECBDecrypter(newCBC(c, iv), r)
-}
-
-// NewCBCEncrypter returns a writer that encrypts data using c
-// in cipher block chaining (CBC) mode with the initialization vector iv
-// and writes the encrypted data to w.
-// The returned Writer does no buffering except as required
-// by the cipher's block size, so there is no need for a Flush method.
-func NewCBCEncrypter(c Cipher, iv []byte, w io.Writer) io.Writer {
-	return NewECBEncrypter(newCBC(c, iv), w)
-}
diff --git a/libgo/go/crypto/block/cfb.go b/libgo/go/crypto/block/cfb.go
deleted file mode 100644
index f20c0a0..0000000
--- a/libgo/go/crypto/block/cfb.go
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Cipher feedback (CFB) mode.
-
-// CFB provides confidentiality by feeding a fraction of
-// the previous ciphertext in as the plaintext for the next
-// block operation.
-
-// See NIST SP 800-38A, pp 11-13
-
-package block
-
-import (
-	"io"
-)
-
-type cfbCipher struct {
-	c          Cipher
-	blockSize  int // our block size (s/8)
-	cipherSize int // underlying cipher block size
-	iv         []byte
-	tmp        []byte
-}
-
-func newCFB(c Cipher, s int, iv []byte) *cfbCipher {
-	if s == 0 || s%8 != 0 {
-		panic("crypto/block: invalid CFB mode")
-	}
-	b := c.BlockSize()
-	x := new(cfbCipher)
-	x.c = c
-	x.blockSize = s / 8
-	x.cipherSize = b
-	x.iv = dup(iv)
-	x.tmp = make([]byte, b)
-	return x
-}
-
-func (x *cfbCipher) BlockSize() int { return x.blockSize }
-
-func (x *cfbCipher) Encrypt(dst, src []byte) {
-	// Encrypt old IV and xor prefix with src to make dst.
-	x.c.Encrypt(x.tmp, x.iv)
-	for i := 0; i < x.blockSize; i++ {
-		dst[i] = src[i] ^ x.tmp[i]
-	}
-
-	// Slide unused IV pieces down and insert dst at end.
-	for i := 0; i < x.cipherSize-x.blockSize; i++ {
-		x.iv[i] = x.iv[i+x.blockSize]
-	}
-	off := x.cipherSize - x.blockSize
-	for i := off; i < x.cipherSize; i++ {
-		x.iv[i] = dst[i-off]
-	}
-}
-
-func (x *cfbCipher) Decrypt(dst, src []byte) {
-	// Encrypt [sic] old IV and xor prefix with src to make dst.
-	x.c.Encrypt(x.tmp, x.iv)
-	for i := 0; i < x.blockSize; i++ {
-		dst[i] = src[i] ^ x.tmp[i]
-	}
-
-	// Slide unused IV pieces down and insert src at top.
-	for i := 0; i < x.cipherSize-x.blockSize; i++ {
-		x.iv[i] = x.iv[i+x.blockSize]
-	}
-	off := x.cipherSize - x.blockSize
-	for i := off; i < x.cipherSize; i++ {
-		// Reconstruct src = dst ^ x.tmp
-		// in case we overwrote src (src == dst).
-		x.iv[i] = dst[i-off] ^ x.tmp[i-off]
-	}
-}
-
-// NewCFBDecrypter returns a reader that reads data from r and decrypts it using c
-// in s-bit cipher feedback (CFB) mode with the initialization vector iv.
-// The returned Reader does not buffer or read ahead except
-// as required by the cipher's block size.
-// Modes for s not a multiple of 8 are unimplemented.
-func NewCFBDecrypter(c Cipher, s int, iv []byte, r io.Reader) io.Reader {
-	return NewECBDecrypter(newCFB(c, s, iv), r)
-}
-
-// NewCFBEncrypter returns a writer that encrypts data using c
-// in s-bit cipher feedback (CFB) mode with the initialization vector iv
-// and writes the encrypted data to w.
-// The returned Writer does no buffering except as required
-// by the cipher's block size, so there is no need for a Flush method.
-// Modes for s not a multiple of 8 are unimplemented.
-func NewCFBEncrypter(c Cipher, s int, iv []byte, w io.Writer) io.Writer {
-	return NewECBEncrypter(newCFB(c, s, iv), w)
-}
diff --git a/libgo/go/crypto/block/cfb_aes_test.go b/libgo/go/crypto/block/cfb_aes_test.go
deleted file mode 100644
index e400c18..0000000
--- a/libgo/go/crypto/block/cfb_aes_test.go
+++ /dev/null
@@ -1,311 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// CFB AES test vectors.
-
-// See U.S. National Institute of Standards and Technology (NIST)
-// Special Publication 800-38A, ``Recommendation for Block Cipher
-// Modes of Operation,'' 2001 Edition, pp. 29-52.
-
-package block
-
-import (
-	"bytes"
-	"crypto/aes"
-	"io"
-	"testing"
-)
-
-type cfbTest struct {
-	name string
-	s    int
-	key  []byte
-	iv   []byte
-	in   []byte
-	out  []byte
-}
-
-var cfbAESTests = []cfbTest{
-	{
-		"CFB1-AES128",
-		1,
-		commonKey128,
-		commonIV,
-		[]byte{
-			0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1,
-			1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1,
-		},
-		[]byte{
-			0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 0<<1,
-			1<<7 | 0<<6 | 1<<5 | 1<<4 | 0<<3 | 0<<2 | 1<<1,
-		},
-	},
-	{
-		"CFB1-AES192",
-		1,
-		commonKey192,
-		commonIV,
-		[]byte{
-			0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1,
-			1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1,
-		},
-		[]byte{
-			1<<7 | 0<<6 | 0<<5 | 1<<4 | 0<<3 | 0<<2 | 1<<1,
-			0<<7 | 1<<6 | 0<<5 | 1<<4 | 1<<3 | 0<<2 | 0<<1,
-		},
-	},
-	{
-		"CFB1-AES256",
-		1,
-		commonKey256,
-		commonIV,
-		[]byte{
-			0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1,
-			1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1,
-		},
-		[]byte{
-			1<<7 | 0<<6 | 0<<5 | 1<<4 | 0<<3 | 0<<2 | 0<<1,
-			0<<7 | 0<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 0<<1,
-		},
-	},
-
-	{
-		"CFB8-AES128",
-		8,
-		commonKey128,
-		commonIV,
-		[]byte{
-			0x6b,
-			0xc1,
-			0xbe,
-			0xe2,
-			0x2e,
-			0x40,
-			0x9f,
-			0x96,
-			0xe9,
-			0x3d,
-			0x7e,
-			0x11,
-			0x73,
-			0x93,
-			0x17,
-			0x2a,
-			0xae,
-			0x2d,
-		},
-		[]byte{
-			0x3b,
-			0x79,
-			0x42,
-			0x4c,
-			0x9c,
-			0x0d,
-			0xd4,
-			0x36,
-			0xba,
-			0xce,
-			0x9e,
-			0x0e,
-			0xd4,
-			0x58,
-			0x6a,
-			0x4f,
-			0x32,
-			0xb9,
-		},
-	},
-
-	{
-		"CFB8-AES192",
-		8,
-		commonKey192,
-		commonIV,
-		[]byte{
-			0x6b,
-			0xc1,
-			0xbe,
-			0xe2,
-			0x2e,
-			0x40,
-			0x9f,
-			0x96,
-			0xe9,
-			0x3d,
-			0x7e,
-			0x11,
-			0x73,
-			0x93,
-			0x17,
-			0x2a,
-			0xae,
-			0x2d,
-		},
-		[]byte{
-			0xcd,
-			0xa2,
-			0x52,
-			0x1e,
-			0xf0,
-			0xa9,
-			0x05,
-			0xca,
-			0x44,
-			0xcd,
-			0x05,
-			0x7c,
-			0xbf,
-			0x0d,
-			0x47,
-			0xa0,
-			0x67,
-			0x8a,
-		},
-	},
-
-	{
-		"CFB8-AES256",
-		8,
-		commonKey256,
-		commonIV,
-		[]byte{
-			0x6b,
-			0xc1,
-			0xbe,
-			0xe2,
-			0x2e,
-			0x40,
-			0x9f,
-			0x96,
-			0xe9,
-			0x3d,
-			0x7e,
-			0x11,
-			0x73,
-			0x93,
-			0x17,
-			0x2a,
-			0xae,
-			0x2d,
-		},
-		[]byte{
-			0xdc,
-			0x1f,
-			0x1a,
-			0x85,
-			0x20,
-			0xa6,
-			0x4d,
-			0xb5,
-			0x5f,
-			0xcc,
-			0x8a,
-			0xc5,
-			0x54,
-			0x84,
-			0x4e,
-			0x88,
-			0x97,
-			0x00,
-		},
-	},
-
-	{
-		"CFB128-AES128",
-		128,
-		commonKey128,
-		commonIV,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{
-			0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a,
-			0xc8, 0xa6, 0x45, 0x37, 0xa0, 0xb3, 0xa9, 0x3f, 0xcd, 0xe3, 0xcd, 0xad, 0x9f, 0x1c, 0xe5, 0x8b,
-			0x26, 0x75, 0x1f, 0x67, 0xa3, 0xcb, 0xb1, 0x40, 0xb1, 0x80, 0x8c, 0xf1, 0x87, 0xa4, 0xf4, 0xdf,
-			0xc0, 0x4b, 0x05, 0x35, 0x7c, 0x5d, 0x1c, 0x0e, 0xea, 0xc4, 0xc6, 0x6f, 0x9f, 0xf7, 0xf2, 0xe6,
-		},
-	},
-
-	{
-		"CFB128-AES192",
-		128,
-		commonKey192,
-		commonIV,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{
-			0xcd, 0xc8, 0x0d, 0x6f, 0xdd, 0xf1, 0x8c, 0xab, 0x34, 0xc2, 0x59, 0x09, 0xc9, 0x9a, 0x41, 0x74,
-			0x67, 0xce, 0x7f, 0x7f, 0x81, 0x17, 0x36, 0x21, 0x96, 0x1a, 0x2b, 0x70, 0x17, 0x1d, 0x3d, 0x7a,
-			0x2e, 0x1e, 0x8a, 0x1d, 0xd5, 0x9b, 0x88, 0xb1, 0xc8, 0xe6, 0x0f, 0xed, 0x1e, 0xfa, 0xc4, 0xc9,
-			0xc0, 0x5f, 0x9f, 0x9c, 0xa9, 0x83, 0x4f, 0xa0, 0x42, 0xae, 0x8f, 0xba, 0x58, 0x4b, 0x09, 0xff,
-		},
-	},
-
-	{
-		"CFB128-AES256",
-		128,
-		commonKey256,
-		commonIV,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{
-			0xdc, 0x7e, 0x84, 0xbf, 0xda, 0x79, 0x16, 0x4b, 0x7e, 0xcd, 0x84, 0x86, 0x98, 0x5d, 0x38, 0x60,
-			0x39, 0xff, 0xed, 0x14, 0x3b, 0x28, 0xb1, 0xc8, 0x32, 0x11, 0x3c, 0x63, 0x31, 0xe5, 0x40, 0x7b,
-			0xdf, 0x10, 0x13, 0x24, 0x15, 0xe5, 0x4b, 0x92, 0xa1, 0x3e, 0xd0, 0xa8, 0x26, 0x7a, 0xe2, 0xf9,
-			0x75, 0xa3, 0x85, 0x74, 0x1a, 0xb9, 0xce, 0xf8, 0x20, 0x31, 0x62, 0x3d, 0x55, 0xb1, 0xe4, 0x71,
-		},
-	},
-}
-
-func TestCFB_AES(t *testing.T) {
-	for _, tt := range cfbAESTests {
-		test := tt.name
-
-		if tt.s == 1 {
-			// 1-bit CFB not implemented
-			continue
-		}
-
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
-			continue
-		}
-
-		var crypt bytes.Buffer
-		w := NewCFBEncrypter(c, tt.s, tt.iv, &crypt)
-		var r io.Reader = bytes.NewBuffer(tt.in)
-		n, err := io.Copy(w, r)
-		if n != int64(len(tt.in)) || err != nil {
-			t.Errorf("%s: CFBEncrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.in))
-		} else if d := crypt.Bytes(); !same(tt.out, d) {
-			t.Errorf("%s: CFBEncrypter\nhave %x\nwant %x", test, d, tt.out)
-		}
-
-		var plain bytes.Buffer
-		r = NewCFBDecrypter(c, tt.s, tt.iv, bytes.NewBuffer(tt.out))
-		w = &plain
-		n, err = io.Copy(w, r)
-		if n != int64(len(tt.out)) || err != nil {
-			t.Errorf("%s: CFBDecrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.out))
-		} else if d := plain.Bytes(); !same(tt.in, d) {
-			t.Errorf("%s: CFBDecrypter\nhave %x\nwant %x", test, d, tt.in)
-		}
-
-		if t.Failed() {
-			break
-		}
-	}
-}
diff --git a/libgo/go/crypto/block/cipher.go b/libgo/go/crypto/block/cipher.go
deleted file mode 100644
index e1099e9..0000000
--- a/libgo/go/crypto/block/cipher.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// The block package is deprecated, use cipher instead.
-// The block package implements standard block cipher modes
-// that can be wrapped around low-level block cipher implementations.
-// See http://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html
-// and NIST Special Publication 800-38A.
-package block
-
-// A Cipher represents an implementation of block cipher
-// using a given key.  It provides the capability to encrypt
-// or decrypt individual blocks.  The mode implementations
-// extend that capability to streams of blocks.
-type Cipher interface {
-	// BlockSize returns the cipher's block size.
-	BlockSize() int
-
-	// Encrypt encrypts the first block in src into dst.
-	// Src and dst may point at the same memory.
-	Encrypt(dst, src []byte)
-
-	// Decrypt decrypts the first block in src into dst.
-	// Src and dst may point at the same memory.
-	Decrypt(dst, src []byte)
-}
-
-// Utility routines
-
-func shift1(dst, src []byte) byte {
-	var b byte
-	for i := len(src) - 1; i >= 0; i-- {
-		bb := src[i] >> 7
-		dst[i] = src[i]<<1 | b
-		b = bb
-	}
-	return b
-}
-
-func same(p, q []byte) bool {
-	if len(p) != len(q) {
-		return false
-	}
-	for i := 0; i < len(p); i++ {
-		if p[i] != q[i] {
-			return false
-		}
-	}
-	return true
-}
-
-func dup(p []byte) []byte {
-	q := make([]byte, len(p))
-	copy(q, p)
-	return q
-}
diff --git a/libgo/go/crypto/block/cmac.go b/libgo/go/crypto/block/cmac.go
deleted file mode 100644
index b85cde7..0000000
--- a/libgo/go/crypto/block/cmac.go
+++ /dev/null
@@ -1,105 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// CMAC message authentication code, defined in
-// NIST Special Publication SP 800-38B.
-
-package block
-
-import (
-	"hash"
-	"os"
-)
-
-const (
-	// minimal irreducible polynomial of degree b
-	r64  = 0x1b
-	r128 = 0x87
-)
-
-type cmac struct {
-	k1, k2, ci, digest []byte
-	p                  int // position in ci
-	c                  Cipher
-}
-
-// TODO(rsc): Should this return an error instead of panic?
-
-// NewCMAC returns a new instance of a CMAC message authentication code
-// digest using the given Cipher.
-func NewCMAC(c Cipher) hash.Hash {
-	var r byte
-	n := c.BlockSize()
-	switch n {
-	case 64 / 8:
-		r = r64
-	case 128 / 8:
-		r = r128
-	default:
-		panic("crypto/block: NewCMAC: invalid cipher block size")
-	}
-
-	d := new(cmac)
-	d.c = c
-	d.k1 = make([]byte, n)
-	d.k2 = make([]byte, n)
-	d.ci = make([]byte, n)
-	d.digest = make([]byte, n)
-
-	// Subkey generation, p. 7
-	c.Encrypt(d.k1, d.k1)
-	if shift1(d.k1, d.k1) != 0 {
-		d.k1[n-1] ^= r
-	}
-	if shift1(d.k2, d.k1) != 0 {
-		d.k2[n-1] ^= r
-	}
-
-	return d
-}
-
-// Reset clears the digest state, starting a new digest.
-func (d *cmac) Reset() {
-	for i := range d.ci {
-		d.ci[i] = 0
-	}
-	d.p = 0
-}
-
-// Write adds the given data to the digest state.
-func (d *cmac) Write(p []byte) (n int, err os.Error) {
-	// Xor input into ci.
-	for _, c := range p {
-		// If ci is full, encrypt and start over.
-		if d.p >= len(d.ci) {
-			d.c.Encrypt(d.ci, d.ci)
-			d.p = 0
-		}
-		d.ci[d.p] ^= c
-		d.p++
-	}
-	return len(p), nil
-}
-
-// Sum returns the CMAC digest, one cipher block in length,
-// of the data written with Write.
-func (d *cmac) Sum() []byte {
-	// Finish last block, mix in key, encrypt.
-	// Don't edit ci, in case caller wants
-	// to keep digesting after call to Sum.
-	k := d.k1
-	if d.p < len(d.digest) {
-		k = d.k2
-	}
-	for i := 0; i < len(d.ci); i++ {
-		d.digest[i] = d.ci[i] ^ k[i]
-	}
-	if d.p < len(d.digest) {
-		d.digest[d.p] ^= 0x80
-	}
-	d.c.Encrypt(d.digest, d.digest)
-	return d.digest
-}
-
-func (d *cmac) Size() int { return len(d.digest) }
diff --git a/libgo/go/crypto/block/cmac_aes_test.go b/libgo/go/crypto/block/cmac_aes_test.go
deleted file mode 100644
index 0a4a1a4..0000000
--- a/libgo/go/crypto/block/cmac_aes_test.go
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// CMAC test vectors.  See NIST SP 800-38B, Appendix D.
-
-package block
-
-import (
-	"crypto/aes"
-	"testing"
-)
-
-type cmacAESTest struct {
-	key    []byte
-	in     []byte
-	digest []byte
-}
-
-var cmacAESTests = []cmacAESTest{
-	{
-		commonKey128,
-		nil,
-		[]byte{0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28, 0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46},
-	},
-	{
-		commonKey128,
-		[]byte{0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a},
-		[]byte{0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44, 0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c},
-	},
-	{
-		commonKey128,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
-		},
-		[]byte{0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30, 0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27},
-	},
-	{
-		commonKey128,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92, 0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe},
-	},
-	{
-		commonKey192,
-		nil,
-		[]byte{0xd1, 0x7d, 0xdf, 0x46, 0xad, 0xaa, 0xcd, 0xe5, 0x31, 0xca, 0xc4, 0x83, 0xde, 0x7a, 0x93, 0x67},
-	},
-	{
-		commonKey192,
-		[]byte{0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a},
-		[]byte{0x9e, 0x99, 0xa7, 0xbf, 0x31, 0xe7, 0x10, 0x90, 0x06, 0x62, 0xf6, 0x5e, 0x61, 0x7c, 0x51, 0x84},
-	},
-	{
-		commonKey192,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
-		},
-		[]byte{0x8a, 0x1d, 0xe5, 0xbe, 0x2e, 0xb3, 0x1a, 0xad, 0x08, 0x9a, 0x82, 0xe6, 0xee, 0x90, 0x8b, 0x0e},
-	},
-	{
-		commonKey192,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{0xa1, 0xd5, 0xdf, 0x0e, 0xed, 0x79, 0x0f, 0x79, 0x4d, 0x77, 0x58, 0x96, 0x59, 0xf3, 0x9a, 0x11},
-	},
-	{
-		commonKey256,
-		nil,
-		[]byte{0x02, 0x89, 0x62, 0xf6, 0x1b, 0x7b, 0xf8, 0x9e, 0xfc, 0x6b, 0x55, 0x1f, 0x46, 0x67, 0xd9, 0x83},
-	},
-	{
-		commonKey256,
-		[]byte{0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a},
-		[]byte{0x28, 0xa7, 0x02, 0x3f, 0x45, 0x2e, 0x8f, 0x82, 0xbd, 0x4b, 0xf2, 0x8d, 0x8c, 0x37, 0xc3, 0x5c},
-	},
-	{
-		commonKey256,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
-		},
-		[]byte{0xaa, 0xf3, 0xd8, 0xf1, 0xde, 0x56, 0x40, 0xc2, 0x32, 0xf5, 0xb1, 0x69, 0xb9, 0xc9, 0x11, 0xe6},
-	},
-	{
-		commonKey256,
-		[]byte{
-			0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-			0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-			0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-			0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-		},
-		[]byte{0xe1, 0x99, 0x21, 0x90, 0x54, 0x9f, 0x6e, 0xd5, 0x69, 0x6a, 0x2c, 0x05, 0x6c, 0x31, 0x54, 0x10},
-	},
-}
-
-func TestCMAC_AES(t *testing.T) {
-	for i, tt := range cmacAESTests {
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Errorf("test %d: NewCipher: %s", i, err)
-			continue
-		}
-		d := NewCMAC(c)
-		n, err := d.Write(tt.in)
-		if err != nil || n != len(tt.in) {
-			t.Errorf("test %d: Write %d: %d, %s", i, len(tt.in), n, err)
-			continue
-		}
-		sum := d.Sum()
-		if !same(sum, tt.digest) {
-			x := d.(*cmac)
-			t.Errorf("test %d: digest mismatch\n\twant %x\n\thave %x\n\tk1 %x\n\tk2 %x", i, tt.digest, sum, x.k1, x.k2)
-			continue
-		}
-	}
-}
diff --git a/libgo/go/crypto/block/ctr.go b/libgo/go/crypto/block/ctr.go
deleted file mode 100644
index 5d65c0c..0000000
--- a/libgo/go/crypto/block/ctr.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Counter (CTR) mode.
-
-// CTR converts a block cipher into a stream cipher by
-// repeatedly encrypting an incrementing counter and
-// xoring the resulting stream of data with the input.
-
-// See NIST SP 800-38A, pp 13-15
-
-package block
-
-import (
-	"io"
-)
-
-type ctrStream struct {
-	c   Cipher
-	ctr []byte
-	out []byte
-}
-
-func newCTRStream(c Cipher, ctr []byte) *ctrStream {
-	x := new(ctrStream)
-	x.c = c
-	x.ctr = dup(ctr)
-	x.out = make([]byte, len(ctr))
-	return x
-}
-
-func (x *ctrStream) Next() []byte {
-	// Next block is encryption of counter.
-	x.c.Encrypt(x.out, x.ctr)
-
-	// Increment counter
-	for i := len(x.ctr) - 1; i >= 0; i-- {
-		x.ctr[i]++
-		if x.ctr[i] != 0 {
-			break
-		}
-	}
-
-	return x.out
-}
-
-// NewCTRReader returns a reader that reads data from r, decrypts (or encrypts)
-// it using c in counter (CTR) mode with the initialization vector iv.
-// The returned Reader does not buffer and has no block size.
-// In CTR mode, encryption and decryption are the same operation:
-// a CTR reader applied to an encrypted stream produces a decrypted
-// stream and vice versa.
-func NewCTRReader(c Cipher, iv []byte, r io.Reader) io.Reader {
-	return newXorReader(newCTRStream(c, iv), r)
-}
-
-// NewCTRWriter returns a writer that encrypts (or decrypts) data using c
-// in counter (CTR) mode with the initialization vector iv
-// and writes the encrypted data to w.
-// The returned Writer does not buffer and has no block size.
-// In CTR mode, encryption and decryption are the same operation:
-// a CTR writer applied to an decrypted stream produces an encrypted
-// stream and vice versa.
-func NewCTRWriter(c Cipher, iv []byte, w io.Writer) io.Writer {
-	return newXorWriter(newCTRStream(c, iv), w)
-}
diff --git a/libgo/go/crypto/block/eax.go b/libgo/go/crypto/block/eax.go
deleted file mode 100644
index 3f3b964..0000000
--- a/libgo/go/crypto/block/eax.go
+++ /dev/null
@@ -1,253 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// EAX mode, not a NIST standard (yet).
-// EAX provides encryption and authentication.
-// EAX targets the same uses as NIST's CCM mode,
-// but EAX adds the ability to run in streaming mode.
-
-// See
-// http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/eax/eax-spec.pdf
-// http://www.cs.ucdavis.edu/~rogaway/papers/eax.pdf
-// What those papers call OMAC is now called CMAC.
-
-package block
-
-import (
-	"fmt"
-	"hash"
-	"io"
-	"os"
-)
-
-// An EAXTagError is returned when the message has failed to authenticate,
-// because the tag at the end of the message stream (Read) does not match
-// the tag computed from the message itself (Computed).
-type EAXTagError struct {
-	Read     []byte
-	Computed []byte
-}
-
-func (e *EAXTagError) String() string {
-	return fmt.Sprintf("crypto/block: EAX tag mismatch: read %x but computed %x", e.Read, e.Computed)
-}
-
-func setupEAX(c Cipher, iv, hdr []byte, tagBytes int) (ctrIV, tag []byte, cmac hash.Hash) {
-	n := len(iv)
-	if n != c.BlockSize() {
-		panic(fmt.Sprintln("crypto/block: EAX: iv length", n, "!=", c.BlockSize()))
-	}
-	buf := make([]byte, n) // zeroed
-
-	// tag = CMAC(0 + iv) ^ CMAC(1 + hdr) ^ CMAC(2 + data)
-	cmac = NewCMAC(c)
-	cmac.Write(buf) // 0
-	cmac.Write(iv)
-	sum := cmac.Sum()
-	ctrIV = dup(sum)
-	tag = dup(sum[0:tagBytes])
-
-	cmac.Reset()
-	buf[n-1] = 1
-	cmac.Write(buf) // 1
-	cmac.Write(hdr)
-	sum = cmac.Sum()
-	for i := 0; i < tagBytes; i++ {
-		tag[i] ^= sum[i]
-	}
-
-	cmac.Reset()
-	buf[n-1] = 2 // 2
-	cmac.Write(buf)
-
-	return
-}
-
-func finishEAX(tag []byte, cmac hash.Hash) {
-	// Finish CMAC #2 and xor into tag.
-	sum := cmac.Sum()
-	for i := range tag {
-		tag[i] ^= sum[i]
-	}
-}
-
-// Writer adapter.  Tees writes into both w and cmac.
-// Knows that cmac never returns write errors.
-type cmacWriter struct {
-	w    io.Writer
-	cmac hash.Hash
-}
-
-func (cw *cmacWriter) Write(p []byte) (n int, err os.Error) {
-	n, err = cw.w.Write(p)
-	cw.cmac.Write(p[0:n])
-	return
-}
-
-// An eaxEncrypter implements the EAX encryption mode.
-type eaxEncrypter struct {
-	ctr io.Writer  // CTR encrypter
-	cw  cmacWriter // CTR's output stream
-	tag []byte
-}
-
-// NewEAXEncrypter creates and returns a new EAX encrypter
-// using the given cipher c, initialization vector iv, associated data hdr,
-// and tag length tagBytes.  The encrypter's Write method encrypts
-// the data it receives and writes that data to w.
-// The encrypter's Close method writes a final authenticating tag to w.
-func NewEAXEncrypter(c Cipher, iv []byte, hdr []byte, tagBytes int, w io.Writer) io.WriteCloser {
-	x := new(eaxEncrypter)
-
-	// Create new CTR instance writing to both
-	// w for encrypted output and cmac for digesting.
-	x.cw.w = w
-	var ctrIV []byte
-	ctrIV, x.tag, x.cw.cmac = setupEAX(c, iv, hdr, tagBytes)
-	x.ctr = NewCTRWriter(c, ctrIV, &x.cw)
-	return x
-}
-
-func (x *eaxEncrypter) Write(p []byte) (n int, err os.Error) {
-	return x.ctr.Write(p)
-}
-
-func (x *eaxEncrypter) Close() os.Error {
-	x.ctr = nil // crash if Write is called again
-
-	// Write tag.
-	finishEAX(x.tag, x.cw.cmac)
-	n, err := x.cw.w.Write(x.tag)
-	if n != len(x.tag) && err == nil {
-		err = io.ErrShortWrite
-	}
-
-	return err
-}
-
-// Reader adapter.  Returns data read from r but hangs
-// on to the last len(tag) bytes for itself (returns EOF len(tag)
-// bytes early).  Also tees all data returned from Read into
-// the cmac digest.  The "don't return the last t bytes"
-// and the "tee into digest" functionality could be separated,
-// but the latter half is trivial.
-type cmacReader struct {
-	r    io.Reader
-	cmac hash.Hash
-	tag  []byte
-	tmp  []byte
-}
-
-func (cr *cmacReader) Read(p []byte) (n int, err os.Error) {
-	// TODO(rsc): Maybe fall back to simpler code if
-	// we recognize the underlying r as a ByteBuffer
-	// or ByteReader.  Then we can just take the last piece
-	// off at the start.
-
-	// First, read a tag-sized chunk.
-	// It's probably not the tag (unless there's no data).
-	tag := cr.tag
-	if len(tag) < cap(tag) {
-		nt := len(tag)
-		nn, err1 := io.ReadFull(cr.r, tag[nt:cap(tag)])
-		tag = tag[0 : nt+nn]
-		cr.tag = tag
-		if err1 != nil {
-			return 0, err1
-		}
-	}
-
-	tagBytes := len(tag)
-	if len(p) > 4*tagBytes {
-		// If p is big, try to read directly into p to avoid a copy.
-		n, err = cr.r.Read(p[tagBytes:])
-		if n == 0 {
-			goto out
-		}
-		// copy old tag into p
-		for i := 0; i < tagBytes; i++ {
-			p[i] = tag[i]
-		}
-		// copy new tag out of p
-		for i := 0; i < tagBytes; i++ {
-			tag[i] = p[n+i]
-		}
-		goto out
-	}
-
-	// Otherwise, read into p and then slide data
-	n, err = cr.r.Read(p)
-	if n == 0 {
-		goto out
-	}
-
-	// copy tag+p into p+tmp and then swap tmp, tag
-	tmp := cr.tmp
-	for i := n + tagBytes - 1; i >= 0; i-- {
-		var c byte
-		if i < tagBytes {
-			c = tag[i]
-		} else {
-			c = p[i-tagBytes]
-		}
-		if i < n {
-			p[i] = c
-		} else {
-			tmp[i] = c
-		}
-	}
-	cr.tmp, cr.tag = tag, tmp
-
-out:
-	cr.cmac.Write(p[0:n])
-	return
-}
-
-type eaxDecrypter struct {
-	ctr io.Reader
-	cr  cmacReader
-	tag []byte
-}
-
-// NewEAXDecrypter creates and returns a new EAX decrypter
-// using the given cipher c, initialization vector iv, associated data hdr,
-// and tag length tagBytes.  The encrypter's Read method decrypts and
-// returns data read from r.  At r's EOF, the encrypter checks the final
-// authenticating tag and returns an EAXTagError if the tag is invalid.
-// In that case, the message should be discarded.
-// Note that the data stream returned from Read cannot be
-// assumed to be valid, authenticated data until Read returns
-// 0, nil to signal the end of the data.
-func NewEAXDecrypter(c Cipher, iv []byte, hdr []byte, tagBytes int, r io.Reader) io.Reader {
-	x := new(eaxDecrypter)
-
-	x.cr.r = r
-	x.cr.tag = make([]byte, 0, tagBytes)
-	x.cr.tmp = make([]byte, 0, tagBytes)
-	var ctrIV []byte
-	ctrIV, x.tag, x.cr.cmac = setupEAX(c, iv, hdr, tagBytes)
-	x.ctr = NewCTRReader(c, ctrIV, &x.cr)
-	return x
-}
-
-func (x *eaxDecrypter) checkTag() os.Error {
-	x.ctr = nil // crash if Read is called again
-
-	finishEAX(x.tag, x.cr.cmac)
-	if !same(x.tag, x.cr.tag) {
-		e := new(EAXTagError)
-		e.Computed = dup(x.tag)
-		e.Read = dup(x.cr.tag)
-		return e
-	}
-	return nil
-}
-
-func (x *eaxDecrypter) Read(p []byte) (n int, err os.Error) {
-	n, err = x.ctr.Read(p)
-	if n == 0 && err == nil {
-		err = x.checkTag()
-	}
-	return n, err
-}
diff --git a/libgo/go/crypto/block/eax_aes_test.go b/libgo/go/crypto/block/eax_aes_test.go
deleted file mode 100644
index 93aa771..0000000
--- a/libgo/go/crypto/block/eax_aes_test.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package block
-
-import (
-	"bytes"
-	"crypto/aes"
-	"fmt"
-	"io"
-	"testing"
-)
-
-// Test vectors from http://www.cs.ucdavis.edu/~rogaway/papers/eax.pdf
-
-type eaxAESTest struct {
-	msg    []byte
-	key    []byte
-	nonce  []byte
-	header []byte
-	cipher []byte
-}
-
-var eaxAESTests = []eaxAESTest{
-	{
-		[]byte{},
-		[]byte{0x23, 0x39, 0x52, 0xDE, 0xE4, 0xD5, 0xED, 0x5F, 0x9B, 0x9C, 0x6D, 0x6F, 0xF8, 0x0F, 0xF4, 0x78},
-		[]byte{0x62, 0xEC, 0x67, 0xF9, 0xC3, 0xA4, 0xA4, 0x07, 0xFC, 0xB2, 0xA8, 0xC4, 0x90, 0x31, 0xA8, 0xB3},
-		[]byte{0x6B, 0xFB, 0x91, 0x4F, 0xD0, 0x7E, 0xAE, 0x6B},
-		[]byte{0xE0, 0x37, 0x83, 0x0E, 0x83, 0x89, 0xF2, 0x7B, 0x02, 0x5A, 0x2D, 0x65, 0x27, 0xE7, 0x9D, 0x01},
-	},
-	{
-		[]byte{0xF7, 0xFB},
-		[]byte{0x91, 0x94, 0x5D, 0x3F, 0x4D, 0xCB, 0xEE, 0x0B, 0xF4, 0x5E, 0xF5, 0x22, 0x55, 0xF0, 0x95, 0xA4},
-		[]byte{0xBE, 0xCA, 0xF0, 0x43, 0xB0, 0xA2, 0x3D, 0x84, 0x31, 0x94, 0xBA, 0x97, 0x2C, 0x66, 0xDE, 0xBD},
-		[]byte{0xFA, 0x3B, 0xFD, 0x48, 0x06, 0xEB, 0x53, 0xFA},
-		[]byte{0x19, 0xDD, 0x5C, 0x4C, 0x93, 0x31, 0x04, 0x9D, 0x0B, 0xDA, 0xB0, 0x27, 0x74, 0x08, 0xF6, 0x79, 0x67, 0xE5},
-	},
-	{
-		[]byte{0x1A, 0x47, 0xCB, 0x49, 0x33},
-		[]byte{0x01, 0xF7, 0x4A, 0xD6, 0x40, 0x77, 0xF2, 0xE7, 0x04, 0xC0, 0xF6, 0x0A, 0xDA, 0x3D, 0xD5, 0x23},
-		[]byte{0x70, 0xC3, 0xDB, 0x4F, 0x0D, 0x26, 0x36, 0x84, 0x00, 0xA1, 0x0E, 0xD0, 0x5D, 0x2B, 0xFF, 0x5E},
-		[]byte{0x23, 0x4A, 0x34, 0x63, 0xC1, 0x26, 0x4A, 0xC6},
-		[]byte{0xD8, 0x51, 0xD5, 0xBA, 0xE0, 0x3A, 0x59, 0xF2, 0x38, 0xA2, 0x3E, 0x39, 0x19, 0x9D, 0xC9, 0x26, 0x66, 0x26, 0xC4, 0x0F, 0x80},
-	},
-	{
-		[]byte{0x48, 0x1C, 0x9E, 0x39, 0xB1},
-		[]byte{0xD0, 0x7C, 0xF6, 0xCB, 0xB7, 0xF3, 0x13, 0xBD, 0xDE, 0x66, 0xB7, 0x27, 0xAF, 0xD3, 0xC5, 0xE8},
-		[]byte{0x84, 0x08, 0xDF, 0xFF, 0x3C, 0x1A, 0x2B, 0x12, 0x92, 0xDC, 0x19, 0x9E, 0x46, 0xB7, 0xD6, 0x17},
-		[]byte{0x33, 0xCC, 0xE2, 0xEA, 0xBF, 0xF5, 0xA7, 0x9D},
-		[]byte{0x63, 0x2A, 0x9D, 0x13, 0x1A, 0xD4, 0xC1, 0x68, 0xA4, 0x22, 0x5D, 0x8E, 0x1F, 0xF7, 0x55, 0x93, 0x99, 0x74, 0xA7, 0xBE, 0xDE},
-	},
-	{
-		[]byte{0x40, 0xD0, 0xC0, 0x7D, 0xA5, 0xE4},
-		[]byte{0x35, 0xB6, 0xD0, 0x58, 0x00, 0x05, 0xBB, 0xC1, 0x2B, 0x05, 0x87, 0x12, 0x45, 0x57, 0xD2, 0xC2},
-		[]byte{0xFD, 0xB6, 0xB0, 0x66, 0x76, 0xEE, 0xDC, 0x5C, 0x61, 0xD7, 0x42, 0x76, 0xE1, 0xF8, 0xE8, 0x16},
-		[]byte{0xAE, 0xB9, 0x6E, 0xAE, 0xBE, 0x29, 0x70, 0xE9},
-		[]byte{0x07, 0x1D, 0xFE, 0x16, 0xC6, 0x75, 0xCB, 0x06, 0x77, 0xE5, 0x36, 0xF7, 0x3A, 0xFE, 0x6A, 0x14, 0xB7, 0x4E, 0xE4, 0x98, 0x44, 0xDD},
-	},
-	{
-		[]byte{0x4D, 0xE3, 0xB3, 0x5C, 0x3F, 0xC0, 0x39, 0x24, 0x5B, 0xD1, 0xFB, 0x7D},
-		[]byte{0xBD, 0x8E, 0x6E, 0x11, 0x47, 0x5E, 0x60, 0xB2, 0x68, 0x78, 0x4C, 0x38, 0xC6, 0x2F, 0xEB, 0x22},
-		[]byte{0x6E, 0xAC, 0x5C, 0x93, 0x07, 0x2D, 0x8E, 0x85, 0x13, 0xF7, 0x50, 0x93, 0x5E, 0x46, 0xDA, 0x1B},
-		[]byte{0xD4, 0x48, 0x2D, 0x1C, 0xA7, 0x8D, 0xCE, 0x0F},
-		[]byte{0x83, 0x5B, 0xB4, 0xF1, 0x5D, 0x74, 0x3E, 0x35, 0x0E, 0x72, 0x84, 0x14, 0xAB, 0xB8, 0x64, 0x4F, 0xD6, 0xCC, 0xB8, 0x69, 0x47, 0xC5, 0xE1, 0x05, 0x90, 0x21, 0x0A, 0x4F},
-	},
-	{
-		[]byte{0x8B, 0x0A, 0x79, 0x30, 0x6C, 0x9C, 0xE7, 0xED, 0x99, 0xDA, 0xE4, 0xF8, 0x7F, 0x8D, 0xD6, 0x16, 0x36},
-		[]byte{0x7C, 0x77, 0xD6, 0xE8, 0x13, 0xBE, 0xD5, 0xAC, 0x98, 0xBA, 0xA4, 0x17, 0x47, 0x7A, 0x2E, 0x7D},
-		[]byte{0x1A, 0x8C, 0x98, 0xDC, 0xD7, 0x3D, 0x38, 0x39, 0x3B, 0x2B, 0xF1, 0x56, 0x9D, 0xEE, 0xFC, 0x19},
-		[]byte{0x65, 0xD2, 0x01, 0x79, 0x90, 0xD6, 0x25, 0x28},
-		[]byte{0x02, 0x08, 0x3E, 0x39, 0x79, 0xDA, 0x01, 0x48, 0x12, 0xF5, 0x9F, 0x11, 0xD5, 0x26, 0x30, 0xDA, 0x30, 0x13, 0x73, 0x27, 0xD1, 0x06, 0x49, 0xB0, 0xAA, 0x6E, 0x1C, 0x18, 0x1D, 0xB6, 0x17, 0xD7, 0xF2},
-	},
-	{
-		[]byte{0x1B, 0xDA, 0x12, 0x2B, 0xCE, 0x8A, 0x8D, 0xBA, 0xF1, 0x87, 0x7D, 0x96, 0x2B, 0x85, 0x92, 0xDD, 0x2D, 0x56},
-		[]byte{0x5F, 0xFF, 0x20, 0xCA, 0xFA, 0xB1, 0x19, 0xCA, 0x2F, 0xC7, 0x35, 0x49, 0xE2, 0x0F, 0x5B, 0x0D},
-		[]byte{0xDD, 0xE5, 0x9B, 0x97, 0xD7, 0x22, 0x15, 0x6D, 0x4D, 0x9A, 0xFF, 0x2B, 0xC7, 0x55, 0x98, 0x26},
-		[]byte{0x54, 0xB9, 0xF0, 0x4E, 0x6A, 0x09, 0x18, 0x9A},
-		[]byte{0x2E, 0xC4, 0x7B, 0x2C, 0x49, 0x54, 0xA4, 0x89, 0xAF, 0xC7, 0xBA, 0x48, 0x97, 0xED, 0xCD, 0xAE, 0x8C, 0xC3, 0x3B, 0x60, 0x45, 0x05, 0x99, 0xBD, 0x02, 0xC9, 0x63, 0x82, 0x90, 0x2A, 0xEF, 0x7F, 0x83, 0x2A},
-	},
-	{
-		[]byte{0x6C, 0xF3, 0x67, 0x20, 0x87, 0x2B, 0x85, 0x13, 0xF6, 0xEA, 0xB1, 0xA8, 0xA4, 0x44, 0x38, 0xD5, 0xEF, 0x11},
-		[]byte{0xA4, 0xA4, 0x78, 0x2B, 0xCF, 0xFD, 0x3E, 0xC5, 0xE7, 0xEF, 0x6D, 0x8C, 0x34, 0xA5, 0x61, 0x23},
-		[]byte{0xB7, 0x81, 0xFC, 0xF2, 0xF7, 0x5F, 0xA5, 0xA8, 0xDE, 0x97, 0xA9, 0xCA, 0x48, 0xE5, 0x22, 0xEC},
-		[]byte{0x89, 0x9A, 0x17, 0x58, 0x97, 0x56, 0x1D, 0x7E},
-		[]byte{0x0D, 0xE1, 0x8F, 0xD0, 0xFD, 0xD9, 0x1E, 0x7A, 0xF1, 0x9F, 0x1D, 0x8E, 0xE8, 0x73, 0x39, 0x38, 0xB1, 0xE8, 0xE7, 0xF6, 0xD2, 0x23, 0x16, 0x18, 0x10, 0x2F, 0xDB, 0x7F, 0xE5, 0x5F, 0xF1, 0x99, 0x17, 0x00},
-	},
-	{
-		[]byte{0xCA, 0x40, 0xD7, 0x44, 0x6E, 0x54, 0x5F, 0xFA, 0xED, 0x3B, 0xD1, 0x2A, 0x74, 0x0A, 0x65, 0x9F, 0xFB, 0xBB, 0x3C, 0xEA, 0xB7},
-		[]byte{0x83, 0x95, 0xFC, 0xF1, 0xE9, 0x5B, 0xEB, 0xD6, 0x97, 0xBD, 0x01, 0x0B, 0xC7, 0x66, 0xAA, 0xC3},
-		[]byte{0x22, 0xE7, 0xAD, 0xD9, 0x3C, 0xFC, 0x63, 0x93, 0xC5, 0x7E, 0xC0, 0xB3, 0xC1, 0x7D, 0x6B, 0x44},
-		[]byte{0x12, 0x67, 0x35, 0xFC, 0xC3, 0x20, 0xD2, 0x5A},
-		[]byte{0xCB, 0x89, 0x20, 0xF8, 0x7A, 0x6C, 0x75, 0xCF, 0xF3, 0x96, 0x27, 0xB5, 0x6E, 0x3E, 0xD1, 0x97, 0xC5, 0x52, 0xD2, 0x95, 0xA7, 0xCF, 0xC4, 0x6A, 0xFC, 0x25, 0x3B, 0x46, 0x52, 0xB1, 0xAF, 0x37, 0x95, 0xB1, 0x24, 0xAB, 0x6E},
-	},
-}
-
-func TestEAXEncrypt_AES(t *testing.T) {
-	b := new(bytes.Buffer)
-	for i, tt := range eaxAESTests {
-		test := fmt.Sprintf("test %d", i)
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Fatalf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
-		}
-		b.Reset()
-		enc := NewEAXEncrypter(c, tt.nonce, tt.header, 16, b)
-		n, err := io.Copy(enc, bytes.NewBuffer(tt.msg))
-		if n != int64(len(tt.msg)) || err != nil {
-			t.Fatalf("%s: io.Copy into encrypter: %d, %s", test, n, err)
-		}
-		err = enc.Close()
-		if err != nil {
-			t.Fatalf("%s: enc.Close: %s", test, err)
-		}
-		if d := b.Bytes(); !same(d, tt.cipher) {
-			t.Fatalf("%s: got %x want %x", test, d, tt.cipher)
-		}
-	}
-}
-
-func TestEAXDecrypt_AES(t *testing.T) {
-	b := new(bytes.Buffer)
-	for i, tt := range eaxAESTests {
-		test := fmt.Sprintf("test %d", i)
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Fatalf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
-		}
-		b.Reset()
-		dec := NewEAXDecrypter(c, tt.nonce, tt.header, 16, bytes.NewBuffer(tt.cipher))
-		n, err := io.Copy(b, dec)
-		if n != int64(len(tt.msg)) || err != nil {
-			t.Fatalf("%s: io.Copy into decrypter: %d, %s", test, n, err)
-		}
-		if d := b.Bytes(); !same(d, tt.msg) {
-			t.Fatalf("%s: got %x want %x", test, d, tt.msg)
-		}
-	}
-}
diff --git a/libgo/go/crypto/block/ecb.go b/libgo/go/crypto/block/ecb.go
deleted file mode 100644
index cf09f7c..0000000
--- a/libgo/go/crypto/block/ecb.go
+++ /dev/null
@@ -1,270 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Electronic codebook (ECB) mode.
-// ECB is a fancy name for ``encrypt and decrypt each block separately.''
-// It's a pretty bad thing to do for any large amount of data (more than one block),
-// because the individual blocks can still be identified, duplicated, and reordered.
-// The ECB implementation exists mainly to provide buffering for
-// the other modes, which wrap it by providing modified Ciphers.
-
-// See NIST SP 800-38A, pp 9-10
-
-package block
-
-import (
-	"io"
-	"os"
-	"strconv"
-)
-
-type ecbDecrypter struct {
-	c         Cipher
-	r         io.Reader
-	blockSize int // block size
-
-	// Buffered data.
-	// The buffer buf is used as storage for both
-	// plain or crypt; at least one of those is nil at any given time.
-	buf   []byte
-	plain []byte // plain text waiting to be read
-	crypt []byte // ciphertext waiting to be decrypted
-}
-
-// Read into x.crypt until it has a full block or EOF or an error happens.
-func (x *ecbDecrypter) fillCrypt() os.Error {
-	var err os.Error
-	for len(x.crypt) < x.blockSize {
-		off := len(x.crypt)
-		var m int
-		m, err = x.r.Read(x.crypt[off:x.blockSize])
-		x.crypt = x.crypt[0 : off+m]
-		if m == 0 {
-			break
-		}
-
-		// If an error happened but we got enough
-		// data to do some decryption, we can decrypt
-		// first and report the error (with some data) later.
-		// But if we don't have enough to decrypt,
-		// have to stop now.
-		if err != nil && len(x.crypt) < x.blockSize {
-			break
-		}
-	}
-	return err
-}
-
-// Read from plain text buffer into p.
-func (x *ecbDecrypter) readPlain(p []byte) int {
-	n := len(x.plain)
-	if n > len(p) {
-		n = len(p)
-	}
-	for i := 0; i < n; i++ {
-		p[i] = x.plain[i]
-	}
-	if n < len(x.plain) {
-		x.plain = x.plain[n:]
-	} else {
-		x.plain = nil
-	}
-	return n
-}
-
-type ecbFragmentError int
-
-func (n ecbFragmentError) String() string {
-	return "crypto/block: " + strconv.Itoa(int(n)) + "-byte fragment at EOF"
-}
-
-func (x *ecbDecrypter) Read(p []byte) (n int, err os.Error) {
-	if len(p) == 0 {
-		return
-	}
-
-	// If there's no plaintext waiting and p is not big enough
-	// to hold a whole cipher block, we'll have to work in the
-	// cipher text buffer.  Set it to non-nil so that the
-	// code below will fill it.
-	if x.plain == nil && len(p) < x.blockSize && x.crypt == nil {
-		x.crypt = x.buf[0:0]
-	}
-
-	// If there is a leftover cipher text buffer,
-	// try to accumulate a full block.
-	if x.crypt != nil {
-		err = x.fillCrypt()
-		if err != nil || len(x.crypt) == 0 {
-			return
-		}
-		x.c.Decrypt(x.crypt, x.crypt)
-		x.plain = x.crypt
-		x.crypt = nil
-	}
-
-	// If there is a leftover plain text buffer, read from it.
-	if x.plain != nil {
-		n = x.readPlain(p)
-		return
-	}
-
-	// Read and decrypt directly in caller's buffer.
-	n, err = io.ReadAtLeast(x.r, p, x.blockSize)
-	if err == os.EOF && n > 0 {
-		// EOF is only okay on block boundary
-		err = os.ErrorString("block fragment at EOF during decryption")
-		return
-	}
-	var i int
-	for i = 0; i+x.blockSize <= n; i += x.blockSize {
-		a := p[i : i+x.blockSize]
-		x.c.Decrypt(a, a)
-	}
-
-	// There might be an encrypted fringe remaining.
-	// Save it for next time.
-	if i < n {
-		p = p[i:n]
-		copy(x.buf, p)
-		x.crypt = x.buf[0:len(p)]
-		n = i
-	}
-
-	return
-}
-
-// NewECBDecrypter returns a reader that reads data from r and decrypts it using c.
-// It decrypts by calling c.Decrypt on each block in sequence;
-// this mode is known as electronic codebook mode, or ECB.
-// The returned Reader does not buffer or read ahead except
-// as required by the cipher's block size.
-func NewECBDecrypter(c Cipher, r io.Reader) io.Reader {
-	x := new(ecbDecrypter)
-	x.c = c
-	x.r = r
-	x.blockSize = c.BlockSize()
-	x.buf = make([]byte, x.blockSize)
-	return x
-}
-
-type ecbEncrypter struct {
-	c         Cipher
-	w         io.Writer
-	blockSize int
-
-	// Buffered data.
-	// The buffer buf is used as storage for both
-	// plain or crypt.  If both are non-nil, plain
-	// follows crypt in buf.
-	buf   []byte
-	plain []byte // plain text waiting to be encrypted
-	crypt []byte // encrypted text waiting to be written
-}
-
-// Flush the x.crypt buffer to x.w.
-func (x *ecbEncrypter) flushCrypt() os.Error {
-	if len(x.crypt) == 0 {
-		return nil
-	}
-	n, err := x.w.Write(x.crypt)
-	if n < len(x.crypt) {
-		x.crypt = x.crypt[n:]
-		if err == nil {
-			err = io.ErrShortWrite
-		}
-	}
-	if err != nil {
-		return err
-	}
-	x.crypt = nil
-	return nil
-}
-
-// Slide x.plain down to the beginning of x.buf.
-// Plain is known to have less than one block of data,
-// so this is cheap enough.
-func (x *ecbEncrypter) slidePlain() {
-	if len(x.plain) == 0 {
-		x.plain = x.buf[0:0]
-	} else if cap(x.plain) < cap(x.buf) {
-		copy(x.buf, x.plain)
-		x.plain = x.buf[0:len(x.plain)]
-	}
-}
-
-// Fill x.plain from the data in p.
-// Return the number of bytes copied.
-func (x *ecbEncrypter) fillPlain(p []byte) int {
-	off := len(x.plain)
-	n := len(p)
-	if max := cap(x.plain) - off; n > max {
-		n = max
-	}
-	x.plain = x.plain[0 : off+n]
-	for i := 0; i < n; i++ {
-		x.plain[off+i] = p[i]
-	}
-	return n
-}
-
-// Encrypt x.plain; record encrypted range as x.crypt.
-func (x *ecbEncrypter) encrypt() {
-	var i int
-	n := len(x.plain)
-	for i = 0; i+x.blockSize <= n; i += x.blockSize {
-		a := x.plain[i : i+x.blockSize]
-		x.c.Encrypt(a, a)
-	}
-	x.crypt = x.plain[0:i]
-	x.plain = x.plain[i:n]
-}
-
-func (x *ecbEncrypter) Write(p []byte) (n int, err os.Error) {
-	for {
-		// If there is data waiting to be written, write it.
-		// This can happen on the first iteration
-		// if a write failed in an earlier call.
-		if err = x.flushCrypt(); err != nil {
-			return
-		}
-
-		// Now that encrypted data is gone (flush ran),
-		// perhaps we need to slide the plaintext down.
-		x.slidePlain()
-
-		// Fill plaintext buffer from p.
-		m := x.fillPlain(p)
-		if m == 0 {
-			break
-		}
-		n += m
-		p = p[m:]
-
-		// Encrypt, adjusting crypt and plain.
-		x.encrypt()
-
-		// Write x.crypt.
-		if err = x.flushCrypt(); err != nil {
-			break
-		}
-	}
-	return
-}
-
-// NewECBEncrypter returns a writer that encrypts data using c and writes it to w.
-// It encrypts by calling c.Encrypt on each block in sequence;
-// this mode is known as electronic codebook mode, or ECB.
-// The returned Writer does no buffering except as required
-// by the cipher's block size, so there is no need for a Flush method.
-func NewECBEncrypter(c Cipher, w io.Writer) io.Writer {
-	x := new(ecbEncrypter)
-	x.c = c
-	x.w = w
-	x.blockSize = c.BlockSize()
-
-	// Create a buffer that is an integral number of blocks.
-	x.buf = make([]byte, 8192/x.blockSize*x.blockSize)
-	return x
-}
diff --git a/libgo/go/crypto/block/ecb_aes_test.go b/libgo/go/crypto/block/ecb_aes_test.go
deleted file mode 100644
index 14481d0..0000000
--- a/libgo/go/crypto/block/ecb_aes_test.go
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// ECB AES test vectors.
-
-// See U.S. National Institute of Standards and Technology (NIST)
-// Special Publication 800-38A, ``Recommendation for Block Cipher
-// Modes of Operation,'' 2001 Edition, pp. 24-27.
-
-package block
-
-import (
-	"bytes"
-	"crypto/aes"
-	"io"
-	"testing"
-)
-
-type ecbTest struct {
-	name string
-	key  []byte
-	in   []byte
-	out  []byte
-}
-
-var commonInput = []byte{
-	0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
-	0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
-	0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-	0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
-}
-
-var commonKey128 = []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c}
-
-var commonKey192 = []byte{
-	0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52, 0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5,
-	0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b,
-}
-
-var commonKey256 = []byte{
-	0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
-	0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4,
-}
-
-var commonIV = []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}
-
-var ecbAESTests = []ecbTest{
-	// FIPS 197, Appendix B, C
-	{
-		"FIPS-197 Appendix B",
-		commonKey128,
-		[]byte{0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34},
-		[]byte{0x39, 0x25, 0x84, 0x1d, 0x02, 0xdc, 0x09, 0xfb, 0xdc, 0x11, 0x85, 0x97, 0x19, 0x6a, 0x0b, 0x32},
-	},
-
-	// NIST SP 800-38A pp 24-27
-	{
-		"ECB-AES128",
-		commonKey128,
-		commonInput,
-		[]byte{
-			0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60, 0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97,
-			0xf5, 0xd3, 0xd5, 0x85, 0x03, 0xb9, 0x69, 0x9d, 0xe7, 0x85, 0x89, 0x5a, 0x96, 0xfd, 0xba, 0xaf,
-			0x43, 0xb1, 0xcd, 0x7f, 0x59, 0x8e, 0xce, 0x23, 0x88, 0x1b, 0x00, 0xe3, 0xed, 0x03, 0x06, 0x88,
-			0x7b, 0x0c, 0x78, 0x5e, 0x27, 0xe8, 0xad, 0x3f, 0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4,
-		},
-	},
-	{
-		"ECB-AES192",
-		commonKey192,
-		commonInput,
-		[]byte{
-			0xbd, 0x33, 0x4f, 0x1d, 0x6e, 0x45, 0xf2, 0x5f, 0xf7, 0x12, 0xa2, 0x14, 0x57, 0x1f, 0xa5, 0xcc,
-			0x97, 0x41, 0x04, 0x84, 0x6d, 0x0a, 0xd3, 0xad, 0x77, 0x34, 0xec, 0xb3, 0xec, 0xee, 0x4e, 0xef,
-			0xef, 0x7a, 0xfd, 0x22, 0x70, 0xe2, 0xe6, 0x0a, 0xdc, 0xe0, 0xba, 0x2f, 0xac, 0xe6, 0x44, 0x4e,
-			0x9a, 0x4b, 0x41, 0xba, 0x73, 0x8d, 0x6c, 0x72, 0xfb, 0x16, 0x69, 0x16, 0x03, 0xc1, 0x8e, 0x0e,
-		},
-	},
-	{
-		"ECB-AES256",
-		commonKey256,
-		commonInput,
-		[]byte{
-			0xf3, 0xee, 0xd1, 0xbd, 0xb5, 0xd2, 0xa0, 0x3c, 0x06, 0x4b, 0x5a, 0x7e, 0x3d, 0xb1, 0x81, 0xf8,
-			0x59, 0x1c, 0xcb, 0x10, 0xd4, 0x10, 0xed, 0x26, 0xdc, 0x5b, 0xa7, 0x4a, 0x31, 0x36, 0x28, 0x70,
-			0xb6, 0xed, 0x21, 0xb9, 0x9c, 0xa6, 0xf4, 0xf9, 0xf1, 0x53, 0xe7, 0xb1, 0xbe, 0xaf, 0xed, 0x1d,
-			0x23, 0x30, 0x4b, 0x7a, 0x39, 0xf9, 0xf3, 0xff, 0x06, 0x7d, 0x8d, 0x8f, 0x9e, 0x24, 0xec, 0xc7,
-		},
-	},
-}
-
-func TestECB_AES(t *testing.T) {
-	for _, tt := range ecbAESTests {
-		test := tt.name
-
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
-			continue
-		}
-
-		var crypt bytes.Buffer
-		w := NewECBEncrypter(c, &crypt)
-		var r io.Reader = bytes.NewBuffer(tt.in)
-		n, err := io.Copy(w, r)
-		if n != int64(len(tt.in)) || err != nil {
-			t.Errorf("%s: ECBReader io.Copy = %d, %v want %d, nil", test, n, err, len(tt.in))
-		} else if d := crypt.Bytes(); !same(tt.out, d) {
-			t.Errorf("%s: ECBReader\nhave %x\nwant %x", test, d, tt.out)
-		}
-
-		var plain bytes.Buffer
-		r = NewECBDecrypter(c, bytes.NewBuffer(tt.out))
-		w = &plain
-		n, err = io.Copy(w, r)
-		if n != int64(len(tt.out)) || err != nil {
-			t.Errorf("%s: ECBWriter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.out))
-		} else if d := plain.Bytes(); !same(tt.in, d) {
-			t.Errorf("%s: ECBWriter\nhave %x\nwant %x", test, d, tt.in)
-		}
-
-		if t.Failed() {
-			break
-		}
-	}
-}
diff --git a/libgo/go/crypto/block/ecb_test.go b/libgo/go/crypto/block/ecb_test.go
deleted file mode 100644
index 6f79d92..0000000
--- a/libgo/go/crypto/block/ecb_test.go
+++ /dev/null
@@ -1,181 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package block
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"testing"
-	"testing/iotest"
-)
-
-// Simple Cipher for testing: adds an incrementing amount
-// to each byte in each
-type IncCipher struct {
-	blockSize  int
-	delta      byte
-	encrypting bool
-}
-
-func (c *IncCipher) BlockSize() int { return c.blockSize }
-
-func (c *IncCipher) Encrypt(dst, src []byte) {
-	if !c.encrypting {
-		panic("encrypt: not encrypting")
-	}
-	if len(src) != c.blockSize || len(dst) != c.blockSize {
-		panic(fmt.Sprintln("encrypt: wrong block size", c.blockSize, len(src), len(dst)))
-	}
-	c.delta++
-	for i, b := range src {
-		dst[i] = b + c.delta
-	}
-}
-
-func (c *IncCipher) Decrypt(dst, src []byte) {
-	if c.encrypting {
-		panic("decrypt: not decrypting")
-	}
-	if len(src) != c.blockSize || len(dst) != c.blockSize {
-		panic(fmt.Sprintln("decrypt: wrong block size ", c.blockSize, " ", len(src), " ", len(dst)))
-	}
-	c.delta--
-	for i, b := range src {
-		dst[i] = b + c.delta
-	}
-}
-
-func TestECBEncrypter(t *testing.T) {
-	var plain, crypt [256]byte
-	for i := 0; i < len(plain); i++ {
-		plain[i] = byte(i)
-	}
-	b := new(bytes.Buffer)
-	for block := 1; block <= 64; block *= 2 {
-		// compute encrypted version
-		delta := byte(0)
-		for i := 0; i < len(crypt); i++ {
-			if i%block == 0 {
-				delta++
-			}
-			crypt[i] = plain[i] + delta
-		}
-
-		for frag := 0; frag < 2; frag++ {
-			c := &IncCipher{block, 0, true}
-			b.Reset()
-			r := bytes.NewBuffer(plain[0:])
-			w := NewECBEncrypter(c, b)
-
-			// copy plain into w in increasingly large chunks: 1, 1, 2, 4, 8, ...
-			// if frag != 0, move the 1 to the end to cause fragmentation.
-			if frag == 0 {
-				_, err := io.Copyn(w, r, 1)
-				if err != nil {
-					t.Errorf("block=%d frag=0: first Copyn: %s", block, err)
-					continue
-				}
-			}
-			for n := 1; n <= len(plain)/2; n *= 2 {
-				_, err := io.Copyn(w, r, int64(n))
-				if err != nil {
-					t.Errorf("block=%d frag=%d: Copyn %d: %s", block, frag, n, err)
-				}
-			}
-			if frag != 0 {
-				_, err := io.Copyn(w, r, 1)
-				if err != nil {
-					t.Errorf("block=%d frag=1: last Copyn: %s", block, err)
-					continue
-				}
-			}
-
-			// check output
-			data := b.Bytes()
-			if len(data) != len(crypt) {
-				t.Errorf("block=%d frag=%d: want %d bytes, got %d", block, frag, len(crypt), len(data))
-				continue
-			}
-
-			if string(data) != string(crypt[0:]) {
-				t.Errorf("block=%d frag=%d: want %x got %x", block, frag, data, crypt)
-			}
-		}
-	}
-}
-
-func testECBDecrypter(t *testing.T, maxio int) {
-	var readers = []func(io.Reader) io.Reader{
-		func(r io.Reader) io.Reader { return r },
-		iotest.OneByteReader,
-		iotest.HalfReader,
-	}
-	var plain, crypt [256]byte
-	for i := 0; i < len(plain); i++ {
-		plain[i] = byte(255 - i)
-	}
-	b := new(bytes.Buffer)
-	for block := 1; block <= 64 && block <= maxio; block *= 2 {
-		// compute encrypted version
-		delta := byte(0)
-		for i := 0; i < len(crypt); i++ {
-			if i%block == 0 {
-				delta++
-			}
-			crypt[i] = plain[i] + delta
-		}
-
-		for mode := 0; mode < len(readers); mode++ {
-			for frag := 0; frag < 2; frag++ {
-				test := fmt.Sprintf("block=%d mode=%d frag=%d maxio=%d", block, mode, frag, maxio)
-				c := &IncCipher{block, 0, false}
-				b.Reset()
-				r := NewECBDecrypter(c, readers[mode](bytes.NewBuffer(crypt[0:maxio])))
-
-				// read from crypt in increasingly large chunks: 1, 1, 2, 4, 8, ...
-				// if frag == 1, move the 1 to the end to cause fragmentation.
-				if frag == 0 {
-					_, err := io.Copyn(b, r, 1)
-					if err != nil {
-						t.Errorf("%s: first Copyn: %s", test, err)
-						continue
-					}
-				}
-				for n := 1; n <= maxio/2; n *= 2 {
-					_, err := io.Copyn(b, r, int64(n))
-					if err != nil {
-						t.Errorf("%s: Copyn %d: %s", test, n, err)
-					}
-				}
-				if frag != 0 {
-					_, err := io.Copyn(b, r, 1)
-					if err != nil {
-						t.Errorf("%s: last Copyn: %s", test, err)
-						continue
-					}
-				}
-
-				// check output
-				data := b.Bytes()
-				if len(data) != maxio {
-					t.Errorf("%s: want %d bytes, got %d", test, maxio, len(data))
-					continue
-				}
-
-				if string(data) != string(plain[0:maxio]) {
-					t.Errorf("%s: input=%x want %x got %x", test, crypt[0:maxio], plain[0:maxio], data)
-				}
-			}
-		}
-	}
-}
-
-func TestECBDecrypter(t *testing.T) {
-	// Do shorter I/O sizes first; they're easier to debug.
-	for n := 1; n <= 256 && !t.Failed(); n *= 2 {
-		testECBDecrypter(t, n)
-	}
-}
diff --git a/libgo/go/crypto/block/ofb.go b/libgo/go/crypto/block/ofb.go
deleted file mode 100644
index 11aaaa4..0000000
--- a/libgo/go/crypto/block/ofb.go
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Output feedback (OFB) mode.
-
-// OFB converts a block cipher into a stream cipher by
-// repeatedly encrypting an initialization vector and
-// xoring the resulting stream of data with the input.
-
-// See NIST SP 800-38A, pp 13-15
-
-package block
-
-import (
-	"fmt"
-	"io"
-)
-
-type ofbStream struct {
-	c  Cipher
-	iv []byte
-}
-
-func newOFBStream(c Cipher, iv []byte) *ofbStream {
-	x := new(ofbStream)
-	x.c = c
-	n := len(iv)
-	if n != c.BlockSize() {
-		panic(fmt.Sprintln("crypto/block: newOFBStream: invalid iv size", n, "!=", c.BlockSize()))
-	}
-	x.iv = dup(iv)
-	return x
-}
-
-func (x *ofbStream) Next() []byte {
-	x.c.Encrypt(x.iv, x.iv)
-	return x.iv
-}
-
-// NewOFBReader returns a reader that reads data from r, decrypts (or encrypts)
-// it using c in output feedback (OFB) mode with the initialization vector iv.
-// The returned Reader does not buffer and has no block size.
-// In OFB mode, encryption and decryption are the same operation:
-// an OFB reader applied to an encrypted stream produces a decrypted
-// stream and vice versa.
-func NewOFBReader(c Cipher, iv []byte, r io.Reader) io.Reader {
-	return newXorReader(newOFBStream(c, iv), r)
-}
-
-// NewOFBWriter returns a writer that encrypts (or decrypts) data using c
-// in cipher feedback (OFB) mode with the initialization vector iv
-// and writes the encrypted data to w.
-// The returned Writer does not buffer and has no block size.
-// In OFB mode, encryption and decryption are the same operation:
-// an OFB writer applied to an decrypted stream produces an encrypted
-// stream and vice versa.
-func NewOFBWriter(c Cipher, iv []byte, w io.Writer) io.Writer {
-	return newXorWriter(newOFBStream(c, iv), w)
-}
diff --git a/libgo/go/crypto/block/ofb_aes_test.go b/libgo/go/crypto/block/ofb_aes_test.go
deleted file mode 100644
index 9c527a6..0000000
--- a/libgo/go/crypto/block/ofb_aes_test.go
+++ /dev/null
@@ -1,108 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// OFB AES test vectors.
-
-// See U.S. National Institute of Standards and Technology (NIST)
-// Special Publication 800-38A, ``Recommendation for Block Cipher
-// Modes of Operation,'' 2001 Edition, pp. 52-55.
-
-package block
-
-import (
-	"bytes"
-	"crypto/aes"
-	"io"
-	"testing"
-)
-
-type ofbTest struct {
-	name string
-	key  []byte
-	iv   []byte
-	in   []byte
-	out  []byte
-}
-
-var ofbAESTests = []ofbTest{
-	// NIST SP 800-38A pp 52-55
-	{
-		"OFB-AES128",
-		commonKey128,
-		commonIV,
-		commonInput,
-		[]byte{
-			0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a,
-			0x77, 0x89, 0x50, 0x8d, 0x16, 0x91, 0x8f, 0x03, 0xf5, 0x3c, 0x52, 0xda, 0xc5, 0x4e, 0xd8, 0x25,
-			0x97, 0x40, 0x05, 0x1e, 0x9c, 0x5f, 0xec, 0xf6, 0x43, 0x44, 0xf7, 0xa8, 0x22, 0x60, 0xed, 0xcc,
-			0x30, 0x4c, 0x65, 0x28, 0xf6, 0x59, 0xc7, 0x78, 0x66, 0xa5, 0x10, 0xd9, 0xc1, 0xd6, 0xae, 0x5e,
-		},
-	},
-	{
-		"OFB-AES192",
-		commonKey192,
-		commonIV,
-		commonInput,
-		[]byte{
-			0xcd, 0xc8, 0x0d, 0x6f, 0xdd, 0xf1, 0x8c, 0xab, 0x34, 0xc2, 0x59, 0x09, 0xc9, 0x9a, 0x41, 0x74,
-			0xfc, 0xc2, 0x8b, 0x8d, 0x4c, 0x63, 0x83, 0x7c, 0x09, 0xe8, 0x17, 0x00, 0xc1, 0x10, 0x04, 0x01,
-			0x8d, 0x9a, 0x9a, 0xea, 0xc0, 0xf6, 0x59, 0x6f, 0x55, 0x9c, 0x6d, 0x4d, 0xaf, 0x59, 0xa5, 0xf2,
-			0x6d, 0x9f, 0x20, 0x08, 0x57, 0xca, 0x6c, 0x3e, 0x9c, 0xac, 0x52, 0x4b, 0xd9, 0xac, 0xc9, 0x2a,
-		},
-	},
-	{
-		"OFB-AES256",
-		commonKey256,
-		commonIV,
-		commonInput,
-		[]byte{
-			0xdc, 0x7e, 0x84, 0xbf, 0xda, 0x79, 0x16, 0x4b, 0x7e, 0xcd, 0x84, 0x86, 0x98, 0x5d, 0x38, 0x60,
-			0x4f, 0xeb, 0xdc, 0x67, 0x40, 0xd2, 0x0b, 0x3a, 0xc8, 0x8f, 0x6a, 0xd8, 0x2a, 0x4f, 0xb0, 0x8d,
-			0x71, 0xab, 0x47, 0xa0, 0x86, 0xe8, 0x6e, 0xed, 0xf3, 0x9d, 0x1c, 0x5b, 0xba, 0x97, 0xc4, 0x08,
-			0x01, 0x26, 0x14, 0x1d, 0x67, 0xf3, 0x7b, 0xe8, 0x53, 0x8f, 0x5a, 0x8b, 0xe7, 0x40, 0xe4, 0x84,
-		},
-	},
-}
-
-func TestOFB_AES(t *testing.T) {
-	for _, tt := range ofbAESTests {
-		test := tt.name
-
-		c, err := aes.NewCipher(tt.key)
-		if err != nil {
-			t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
-			continue
-		}
-
-		for j := 0; j <= 5; j += 5 {
-			var crypt bytes.Buffer
-			in := tt.in[0 : len(tt.in)-j]
-			w := NewOFBWriter(c, tt.iv, &crypt)
-			var r io.Reader = bytes.NewBuffer(in)
-			n, err := io.Copy(w, r)
-			if n != int64(len(in)) || err != nil {
-				t.Errorf("%s/%d: OFBWriter io.Copy = %d, %v want %d, nil", test, len(in), n, err, len(in))
-			} else if d, out := crypt.Bytes(), tt.out[0:len(in)]; !same(out, d) {
-				t.Errorf("%s/%d: OFBWriter\ninpt %x\nhave %x\nwant %x", test, len(in), in, d, out)
-			}
-		}
-
-		for j := 0; j <= 7; j += 7 {
-			var plain bytes.Buffer
-			out := tt.out[0 : len(tt.out)-j]
-			r := NewOFBReader(c, tt.iv, bytes.NewBuffer(out))
-			w := &plain
-			n, err := io.Copy(w, r)
-			if n != int64(len(out)) || err != nil {
-				t.Errorf("%s/%d: OFBReader io.Copy = %d, %v want %d, nil", test, len(out), n, err, len(out))
-			} else if d, in := plain.Bytes(), tt.in[0:len(out)]; !same(in, d) {
-				t.Errorf("%s/%d: OFBReader\nhave %x\nwant %x", test, len(out), d, in)
-			}
-		}
-
-		if t.Failed() {
-			break
-		}
-	}
-}
diff --git a/libgo/go/crypto/block/xor.go b/libgo/go/crypto/block/xor.go
deleted file mode 100644
index 9d8b172..0000000
--- a/libgo/go/crypto/block/xor.go
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Encrypt/decrypt data by xor with a pseudo-random data stream.
-
-package block
-
-import (
-	"io"
-	"os"
-)
-
-// A dataStream is an interface to an unending stream of data,
-// used by XorReader and XorWriter to model a pseudo-random generator.
-// Calls to Next() return sequential blocks of data from the stream.
-// Each call must return at least one byte: there is no EOF.
-type dataStream interface {
-	Next() []byte
-}
-
-type xorReader struct {
-	r    io.Reader
-	rand dataStream // pseudo-random
-	buf  []byte     // data available from last call to rand
-}
-
-func newXorReader(rand dataStream, r io.Reader) io.Reader {
-	x := new(xorReader)
-	x.r = r
-	x.rand = rand
-	return x
-}
-
-func (x *xorReader) Read(p []byte) (n int, err os.Error) {
-	n, err = x.r.Read(p)
-
-	// xor input with stream.
-	bp := 0
-	buf := x.buf
-	for i := 0; i < n; i++ {
-		if bp >= len(buf) {
-			buf = x.rand.Next()
-			bp = 0
-		}
-		p[i] ^= buf[bp]
-		bp++
-	}
-	x.buf = buf[bp:]
-	return n, err
-}
-
-type xorWriter struct {
-	w     io.Writer
-	rand  dataStream // pseudo-random
-	buf   []byte     // last buffer returned by rand
-	extra []byte     // extra random data (use before buf)
-	work  []byte     // work space
-}
-
-func newXorWriter(rand dataStream, w io.Writer) io.Writer {
-	x := new(xorWriter)
-	x.w = w
-	x.rand = rand
-	x.work = make([]byte, 4096)
-	return x
-}
-
-func (x *xorWriter) Write(p []byte) (n int, err os.Error) {
-	for len(p) > 0 {
-		// Determine next chunk of random data
-		// and xor with p into x.work.
-		var chunk []byte
-		m := len(p)
-		if nn := len(x.extra); nn > 0 {
-			// extra points into work, so edit directly
-			if m > nn {
-				m = nn
-			}
-			for i := 0; i < m; i++ {
-				x.extra[i] ^= p[i]
-			}
-			chunk = x.extra[0:m]
-		} else {
-			// xor p ^ buf into work, refreshing buf as needed
-			if nn := len(x.work); m > nn {
-				m = nn
-			}
-			bp := 0
-			buf := x.buf
-			for i := 0; i < m; i++ {
-				if bp >= len(buf) {
-					buf = x.rand.Next()
-					bp = 0
-				}
-				x.work[i] = buf[bp] ^ p[i]
-				bp++
-			}
-			x.buf = buf[bp:]
-			chunk = x.work[0:m]
-		}
-
-		// Write chunk.
-		var nn int
-		nn, err = x.w.Write(chunk)
-		if nn != len(chunk) && err == nil {
-			err = io.ErrShortWrite
-		}
-		if nn < len(chunk) {
-			// Reconstruct the random bits from the unwritten
-			// data and save them for next time.
-			for i := nn; i < m; i++ {
-				chunk[i] ^= p[i]
-			}
-			x.extra = chunk[nn:]
-		}
-		n += nn
-		if err != nil {
-			return
-		}
-		p = p[m:]
-	}
-	return
-}
diff --git a/libgo/go/crypto/block/xor_test.go b/libgo/go/crypto/block/xor_test.go
deleted file mode 100644
index 50f6bb0..0000000
--- a/libgo/go/crypto/block/xor_test.go
+++ /dev/null
@@ -1,168 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package block
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"testing"
-	"testing/iotest"
-)
-
-// Simple "pseudo-random" stream for testing.
-type incStream struct {
-	buf []byte
-	n   byte
-}
-
-func newIncStream(blockSize int) *incStream {
-	x := new(incStream)
-	x.buf = make([]byte, blockSize)
-	return x
-}
-
-func (x *incStream) Next() []byte {
-	x.n++
-	for i := range x.buf {
-		x.buf[i] = x.n
-		x.n++
-	}
-	return x.buf
-}
-
-func testXorWriter(t *testing.T, maxio int) {
-	var plain, crypt [256]byte
-	for i := 0; i < len(plain); i++ {
-		plain[i] = byte(i)
-	}
-	b := new(bytes.Buffer)
-	for block := 1; block <= 64 && block <= maxio; block *= 2 {
-		// compute encrypted version
-		n := byte(0)
-		for i := 0; i < len(crypt); i++ {
-			if i%block == 0 {
-				n++
-			}
-			crypt[i] = plain[i] ^ n
-			n++
-		}
-
-		for frag := 0; frag < 2; frag++ {
-			test := fmt.Sprintf("block=%d frag=%d maxio=%d", block, frag, maxio)
-			b.Reset()
-			r := bytes.NewBuffer(plain[0:])
-			s := newIncStream(block)
-			w := newXorWriter(s, b)
-
-			// copy plain into w in increasingly large chunks: 1, 1, 2, 4, 8, ...
-			// if frag != 0, move the 1 to the end to cause fragmentation.
-			if frag == 0 {
-				_, err := io.Copyn(w, r, 1)
-				if err != nil {
-					t.Errorf("%s: first Copyn: %s", test, err)
-					continue
-				}
-			}
-			for n := 1; n <= len(plain)/2; n *= 2 {
-				_, err := io.Copyn(w, r, int64(n))
-				if err != nil {
-					t.Errorf("%s: Copyn %d: %s", test, n, err)
-				}
-			}
-
-			// check output
-			crypt := crypt[0 : len(crypt)-frag]
-			data := b.Bytes()
-			if len(data) != len(crypt) {
-				t.Errorf("%s: want %d bytes, got %d", test, len(crypt), len(data))
-				continue
-			}
-
-			if string(data) != string(crypt) {
-				t.Errorf("%s: want %x got %x", test, data, crypt)
-			}
-		}
-	}
-}
-
-
-func TestXorWriter(t *testing.T) {
-	// Do shorter I/O sizes first; they're easier to debug.
-	for n := 1; n <= 256 && !t.Failed(); n *= 2 {
-		testXorWriter(t, n)
-	}
-}
-
-func testXorReader(t *testing.T, maxio int) {
-	var readers = []func(io.Reader) io.Reader{
-		func(r io.Reader) io.Reader { return r },
-		iotest.OneByteReader,
-		iotest.HalfReader,
-	}
-	var plain, crypt [256]byte
-	for i := 0; i < len(plain); i++ {
-		plain[i] = byte(255 - i)
-	}
-	b := new(bytes.Buffer)
-	for block := 1; block <= 64 && block <= maxio; block *= 2 {
-		// compute encrypted version
-		n := byte(0)
-		for i := 0; i < len(crypt); i++ {
-			if i%block == 0 {
-				n++
-			}
-			crypt[i] = plain[i] ^ n
-			n++
-		}
-
-		for mode := 0; mode < len(readers); mode++ {
-			for frag := 0; frag < 2; frag++ {
-				test := fmt.Sprintf("block=%d mode=%d frag=%d maxio=%d", block, mode, frag, maxio)
-				s := newIncStream(block)
-				b.Reset()
-				r := newXorReader(s, readers[mode](bytes.NewBuffer(crypt[0:maxio])))
-
-				// read from crypt in increasingly large chunks: 1, 1, 2, 4, 8, ...
-				// if frag == 1, move the 1 to the end to cause fragmentation.
-				if frag == 0 {
-					_, err := io.Copyn(b, r, 1)
-					if err != nil {
-						t.Errorf("%s: first Copyn: %s", test, err)
-						continue
-					}
-				}
-				for n := 1; n <= maxio/2; n *= 2 {
-					_, err := io.Copyn(b, r, int64(n))
-					if err != nil {
-						t.Errorf("%s: Copyn %d: %s", test, n, err)
-					}
-				}
-
-				// check output
-				data := b.Bytes()
-				crypt := crypt[0 : maxio-frag]
-				plain := plain[0 : maxio-frag]
-				if len(data) != len(plain) {
-					t.Errorf("%s: want %d bytes, got %d", test, len(plain), len(data))
-					continue
-				}
-
-				if string(data) != string(plain) {
-					t.Errorf("%s: input=%x want %x got %x", test, crypt, plain, data)
-				}
-			}
-		}
-	}
-}
-
-func TestXorReader(t *testing.T) {
-	// Do shorter I/O sizes first; they're easier to debug.
-	for n := 1; n <= 256 && !t.Failed(); n *= 2 {
-		testXorReader(t, n)
-	}
-}
-
-// TODO(rsc): Test handling of writes after write errors.
diff --git a/libgo/go/crypto/des/block.go b/libgo/go/crypto/des/block.go
new file mode 100644
index 0000000..e18eaed
--- /dev/null
+++ b/libgo/go/crypto/des/block.go
@@ -0,0 +1,98 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package des
+
+import (
+	"encoding/binary"
+)
+
+func cryptBlock(subkeys []uint64, dst, src []byte, decrypt bool) {
+	b := binary.BigEndian.Uint64(src)
+	b = permuteBlock(b, initialPermutation[:])
+	left, right := uint32(b>>32), uint32(b)
+
+	var subkey uint64
+	for i := 0; i < 16; i++ {
+		if decrypt {
+			subkey = subkeys[15-i]
+		} else {
+			subkey = subkeys[i]
+		}
+
+		left, right = right, left^feistel(right, subkey)
+	}
+	// switch left & right and perform final permutation
+	preOutput := (uint64(right) << 32) | uint64(left)
+	binary.BigEndian.PutUint64(dst, permuteBlock(preOutput, finalPermutation[:]))
+}
+
+// Encrypt one block from src into dst, using the subkeys.
+func encryptBlock(subkeys []uint64, dst, src []byte) {
+	cryptBlock(subkeys, dst, src, false)
+}
+
+// Decrypt one block from src into dst, using the subkeys.
+func decryptBlock(subkeys []uint64, dst, src []byte) {
+	cryptBlock(subkeys, dst, src, true)
+}
+
+// DES Feistel function
+func feistel(right uint32, key uint64) (result uint32) {
+	sBoxLocations := key ^ permuteBlock(uint64(right), expansionFunction[:])
+	var sBoxResult uint32
+	for i := uint8(0); i < 8; i++ {
+		sBoxLocation := uint8(sBoxLocations>>42) & 0x3f
+		sBoxLocations <<= 6
+		// row determined by 1st and 6th bit
+		row := (sBoxLocation & 0x1) | ((sBoxLocation & 0x20) >> 4)
+		// column is middle four bits
+		column := (sBoxLocation >> 1) & 0xf
+		sBoxResult |= uint32(sBoxes[i][row][column]) << (4 * (7 - i))
+	}
+	return uint32(permuteBlock(uint64(sBoxResult), permutationFunction[:]))
+}
+
+// general purpose function to perform DES block permutations
+func permuteBlock(src uint64, permutation []uint8) (block uint64) {
+	for position, n := range permutation {
+		bit := (src >> n) & 1
+		block |= bit << uint((len(permutation)-1)-position)
+	}
+	return
+}
+
+// creates 16 28-bit blocks rotated according
+// to the rotation schedule
+func ksRotate(in uint32) (out []uint32) {
+	out = make([]uint32, 16)
+	last := in
+	for i := 0; i < 16; i++ {
+		// 28-bit circular left shift
+		left := (last << (4 + ksRotations[i])) >> 4
+		right := (last << 4) >> (32 - ksRotations[i])
+		out[i] = left | right
+		last = out[i]
+	}
+	return
+}
+
+// creates 16 56-bit subkeys from the original key
+func (c *Cipher) generateSubkeys(keyBytes []byte) {
+	// apply PC1 permutation to key
+	key := binary.BigEndian.Uint64(keyBytes)
+	permutedKey := permuteBlock(key, permutedChoice1[:])
+
+	// rotate halves of permuted key according to the rotation schedule
+	leftRotations := ksRotate(uint32(permutedKey >> 28))
+	rightRotations := ksRotate(uint32(permutedKey<<4) >> 4)
+
+	// generate subkeys
+	for i := 0; i < 16; i++ {
+		// combine halves to form 56-bit input to PC2
+		pc2Input := uint64(leftRotations[i])<<28 | uint64(rightRotations[i])
+		// apply PC2 permutation to 7 byte input
+		c.subkeys[i] = permuteBlock(pc2Input, permutedChoice2[:])
+	}
+}
diff --git a/libgo/go/crypto/des/cipher.go b/libgo/go/crypto/des/cipher.go
new file mode 100644
index 0000000..d17a1a7
--- /dev/null
+++ b/libgo/go/crypto/des/cipher.go
@@ -0,0 +1,103 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package des
+
+import (
+	"os"
+	"strconv"
+)
+
+// The DES block size in bytes.
+const BlockSize = 8
+
+type KeySizeError int
+
+func (k KeySizeError) String() string {
+	return "crypto/des: invalid key size " + strconv.Itoa(int(k))
+}
+
+// Cipher is an instance of DES encryption.
+type Cipher struct {
+	subkeys [16]uint64
+}
+
+// NewCipher creates and returns a new Cipher.
+func NewCipher(key []byte) (*Cipher, os.Error) {
+	if len(key) != 8 {
+		return nil, KeySizeError(len(key))
+	}
+
+	c := new(Cipher)
+	c.generateSubkeys(key)
+	return c, nil
+}
+
+// BlockSize returns the DES block size, 8 bytes.
+func (c *Cipher) BlockSize() int { return BlockSize }
+
+// Encrypts the 8-byte buffer src and stores the result in dst.
+// Note that for amounts of data larger than a block,
+// it is not safe to just call Encrypt on successive blocks;
+// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
+func (c *Cipher) Encrypt(dst, src []byte) { encryptBlock(c.subkeys[:], dst, src) }
+
+// Decrypts the 8-byte buffer src and stores the result in dst.
+func (c *Cipher) Decrypt(dst, src []byte) { decryptBlock(c.subkeys[:], dst, src) }
+
+// Reset zeros the key data, so that it will no longer
+// appear in the process's memory.
+func (c *Cipher) Reset() {
+	for i := 0; i < len(c.subkeys); i++ {
+		c.subkeys[i] = 0
+	}
+}
+
+// A TripleDESCipher is an instance of TripleDES encryption.
+type TripleDESCipher struct {
+	cipher1, cipher2, cipher3 Cipher
+}
+
+// NewCipher creates and returns a new Cipher.
+func NewTripleDESCipher(key []byte) (*TripleDESCipher, os.Error) {
+	if len(key) != 24 {
+		return nil, KeySizeError(len(key))
+	}
+
+	c := new(TripleDESCipher)
+	c.cipher1.generateSubkeys(key[:8])
+	c.cipher2.generateSubkeys(key[8:16])
+	c.cipher3.generateSubkeys(key[16:])
+	return c, nil
+}
+
+// BlockSize returns the TripleDES block size, 8 bytes.
+// It is necessary to satisfy the Block interface in the
+// package "crypto/cipher".
+func (c *TripleDESCipher) BlockSize() int { return BlockSize }
+
+// Encrypts the 8-byte buffer src and stores the result in dst.
+// Note that for amounts of data larger than a block,
+// it is not safe to just call Encrypt on successive blocks;
+// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
+func (c *TripleDESCipher) Encrypt(dst, src []byte) {
+	c.cipher1.Encrypt(dst, src)
+	c.cipher2.Decrypt(dst, dst)
+	c.cipher3.Encrypt(dst, dst)
+}
+
+// Decrypts the 8-byte buffer src and stores the result in dst.
+func (c *TripleDESCipher) Decrypt(dst, src []byte) {
+	c.cipher3.Decrypt(dst, src)
+	c.cipher2.Encrypt(dst, dst)
+	c.cipher1.Decrypt(dst, dst)
+}
+
+// Reset zeros the key data, so that it will no longer
+// appear in the process's memory.
+func (c *TripleDESCipher) Reset() {
+	c.cipher1.Reset()
+	c.cipher2.Reset()
+	c.cipher3.Reset()
+}
diff --git a/libgo/go/crypto/des/const.go b/libgo/go/crypto/des/const.go
new file mode 100644
index 0000000..2bd485e
--- /dev/null
+++ b/libgo/go/crypto/des/const.go
@@ -0,0 +1,139 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package des implements the Data Encryption Standard (DES) and the
+// Triple Data Encryption Algorithm (TDEA) as defined
+// in U.S. Federal Information Processing Standards Publication 46-3.
+package des
+
+// Used to perform an initial permutation of a 64-bit input block.
+var initialPermutation = [64]byte{
+	6, 14, 22, 30, 38, 46, 54, 62,
+	4, 12, 20, 28, 36, 44, 52, 60,
+	2, 10, 18, 26, 34, 42, 50, 58,
+	0, 8, 16, 24, 32, 40, 48, 56,
+	7, 15, 23, 31, 39, 47, 55, 63,
+	5, 13, 21, 29, 37, 45, 53, 61,
+	3, 11, 19, 27, 35, 43, 51, 59,
+	1, 9, 17, 25, 33, 41, 49, 57,
+}
+
+// Used to perform a final permutation of a 4-bit preoutput block. This is the
+// inverse of initialPermutation
+var finalPermutation = [64]byte{
+	24, 56, 16, 48, 8, 40, 0, 32,
+	25, 57, 17, 49, 9, 41, 1, 33,
+	26, 58, 18, 50, 10, 42, 2, 34,
+	27, 59, 19, 51, 11, 43, 3, 35,
+	28, 60, 20, 52, 12, 44, 4, 36,
+	29, 61, 21, 53, 13, 45, 5, 37,
+	30, 62, 22, 54, 14, 46, 6, 38,
+	31, 63, 23, 55, 15, 47, 7, 39,
+}
+
+// Used to expand an input block of 32 bits, producing an output block of 48
+// bits.
+var expansionFunction = [48]byte{
+	0, 31, 30, 29, 28, 27, 28, 27,
+	26, 25, 24, 23, 24, 23, 22, 21,
+	20, 19, 20, 19, 18, 17, 16, 15,
+	16, 15, 14, 13, 12, 11, 12, 11,
+	10, 9, 8, 7, 8, 7, 6, 5,
+	4, 3, 4, 3, 2, 1, 0, 31,
+}
+
+// Yields a 32-bit output from a 32-bit input
+var permutationFunction = [32]byte{
+	16, 25, 12, 11, 3, 20, 4, 15,
+	31, 17, 9, 6, 27, 14, 1, 22,
+	30, 24, 8, 18, 0, 5, 29, 23,
+	13, 19, 2, 26, 10, 21, 28, 7,
+}
+
+// Used in the key schedule to select 56 bits
+// from a 64-bit input.
+var permutedChoice1 = [56]byte{
+	7, 15, 23, 31, 39, 47, 55, 63,
+	6, 14, 22, 30, 38, 46, 54, 62,
+	5, 13, 21, 29, 37, 45, 53, 61,
+	4, 12, 20, 28, 1, 9, 17, 25,
+	33, 41, 49, 57, 2, 10, 18, 26,
+	34, 42, 50, 58, 3, 11, 19, 27,
+	35, 43, 51, 59, 36, 44, 52, 60,
+}
+
+// Used in the key schedule to produce each subkey by selecting 48 bits from
+// the 56-bit input
+var permutedChoice2 = [48]byte{
+	42, 39, 45, 32, 55, 51, 53, 28,
+	41, 50, 35, 46, 33, 37, 44, 52,
+	30, 48, 40, 49, 29, 36, 43, 54,
+	15, 4, 25, 19, 9, 1, 26, 16,
+	5, 11, 23, 8, 12, 7, 17, 0,
+	22, 3, 10, 14, 6, 20, 27, 24,
+}
+
+// 8 S-boxes composed of 4 rows and 16 columns
+// Used in the DES cipher function
+var sBoxes = [8][4][16]uint8{
+	// S-box 1
+	{
+		{14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7},
+		{0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8},
+		{4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0},
+		{15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13},
+	},
+	// S-box 2
+	{
+		{15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10},
+		{3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5},
+		{0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15},
+		{13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9},
+	},
+	// S-box 3
+	{
+		{10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8},
+		{13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1},
+		{13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7},
+		{1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12},
+	},
+	// S-box 4
+	{
+		{7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15},
+		{13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9},
+		{10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4},
+		{3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14},
+	},
+	// S-box 5
+	{
+		{2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9},
+		{14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6},
+		{4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14},
+		{11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3},
+	},
+	// S-box 6
+	{
+		{12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11},
+		{10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8},
+		{9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6},
+		{4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13},
+	},
+	// S-box 7
+	{
+		{4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1},
+		{13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6},
+		{1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2},
+		{6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12},
+	},
+	// S-box 8
+	{
+		{13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7},
+		{1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2},
+		{7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8},
+		{2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11},
+	},
+}
+
+// Size of left rotation per round in each half of the key schedule
+var ksRotations = [16]uint8{1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1}
diff --git a/libgo/go/crypto/des/des_test.go b/libgo/go/crypto/des/des_test.go
new file mode 100644
index 0000000..d1f3aa7
--- /dev/null
+++ b/libgo/go/crypto/des/des_test.go
@@ -0,0 +1,1497 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package des
+
+import (
+	"bytes"
+	"testing"
+)
+
+type CryptTest struct {
+	key []byte
+	in  []byte
+	out []byte
+}
+
+// some custom tests for DES
+var encryptDESTests = []CryptTest{
+	{
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7}},
+	{
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x35, 0x55, 0x50, 0xb2, 0x15, 0x0e, 0x24, 0x51}},
+	{
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x61, 0x7b, 0x3a, 0x0c, 0xe8, 0xf0, 0x71, 0x00}},
+	{
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0x92, 0x31, 0xf2, 0x36, 0xff, 0x9a, 0xa9, 0x5c}},
+	{
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xca, 0xaa, 0xaf, 0x4d, 0xea, 0xf1, 0xdb, 0xae}},
+	{
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x73, 0x59, 0xb2, 0x16, 0x3e, 0x4e, 0xdc, 0x58}},
+	{
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x6d, 0xce, 0x0d, 0xc9, 0x00, 0x65, 0x56, 0xa3}},
+	{
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0x9e, 0x84, 0xc5, 0xf3, 0x17, 0x0f, 0x8e, 0xff}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xd5, 0xd4, 0x4f, 0xf7, 0x20, 0x68, 0x3d, 0x0d}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x59, 0x73, 0x23, 0x56, 0xf3, 0x6f, 0xde, 0x06}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x56, 0xcc, 0x09, 0xe7, 0xcf, 0xdc, 0x4c, 0xef}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0x12, 0xc6, 0x26, 0xaf, 0x05, 0x8b, 0x43, 0x3b}},
+	{
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xa6, 0x8c, 0xdc, 0xa9, 0x0c, 0x90, 0x21, 0xf9}},
+	{
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x2a, 0x2b, 0xb0, 0x08, 0xdf, 0x97, 0xc2, 0xf2}},
+	{
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0xed, 0x39, 0xd9, 0x50, 0xfa, 0x74, 0xbc, 0xc4}},
+	{
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
+		[]byte{0xa9, 0x33, 0xf6, 0x18, 0x30, 0x23, 0xb3, 0x10}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
+		[]byte{0x17, 0x66, 0x8d, 0xfc, 0x72, 0x92, 0x53, 0x2d}},
+	{
+		[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+		[]byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		[]byte{0xb4, 0xfd, 0x23, 0x16, 0x47, 0xa5, 0xbe, 0xc0}},
+	{
+		[]byte{0x0e, 0x32, 0x92, 0x32, 0xea, 0x6d, 0x0d, 0x73},
+		[]byte{0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
+	{
+		[]byte{0x73, 0x65, 0x63, 0x52, 0x33, 0x74, 0x24, 0x3b}, // "secR3t$;"
+		[]byte{0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x31, 0x32}, // "a test12"
+		[]byte{0x37, 0x0d, 0xee, 0x2c, 0x1f, 0xb4, 0xf7, 0xa5}},
+	{
+		[]byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh"
+		[]byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh"
+		[]byte{0x2a, 0x8d, 0x69, 0xde, 0x9d, 0x5f, 0xdf, 0xf9}},
+	{
+		[]byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh"
+		[]byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678"
+		[]byte{0x21, 0xc6, 0x0d, 0xa5, 0x34, 0x24, 0x8b, 0xce}},
+	{
+		[]byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678"
+		[]byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh"
+		[]byte{0x94, 0xd4, 0x43, 0x6b, 0xc3, 0xb5, 0xb6, 0x93}},
+	{
+		[]byte{0x1f, 0x79, 0x90, 0x5f, 0x88, 0x01, 0xc8, 0x88}, // random
+		[]byte{0xc7, 0x46, 0x18, 0x73, 0xaf, 0x48, 0x5f, 0xb3}, // random
+		[]byte{0xb0, 0x93, 0x50, 0x88, 0xf9, 0x92, 0x44, 0x6a}},
+	{
+		[]byte{0xe6, 0xf4, 0xf2, 0xdb, 0x31, 0x42, 0x53, 0x01}, // random
+		[]byte{0xff, 0x3d, 0x25, 0x50, 0x12, 0xe3, 0x4a, 0xc5}, // random
+		[]byte{0x86, 0x08, 0xd3, 0xd1, 0x6c, 0x2f, 0xd2, 0x55}},
+	{
+		[]byte{0x69, 0xc1, 0x9d, 0xc1, 0x15, 0xc5, 0xfb, 0x2b}, // random
+		[]byte{0x1a, 0x22, 0x5c, 0xaf, 0x1f, 0x1d, 0xa3, 0xf9}, // random
+		[]byte{0x64, 0xba, 0x31, 0x67, 0x56, 0x91, 0x1e, 0xa7}},
+	{
+		[]byte{0x6e, 0x5e, 0xe2, 0x47, 0xc4, 0xbf, 0xf6, 0x51}, // random
+		[]byte{0x11, 0xc9, 0x57, 0xff, 0x66, 0x89, 0x0e, 0xf0}, // random
+		[]byte{0x94, 0xc5, 0x35, 0xb2, 0xc5, 0x8b, 0x39, 0x72}},
+}
+
+var weakKeyTests = []CryptTest{
+	{
+		[]byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		[]byte{0x55, 0x74, 0xc0, 0xbd, 0x7c, 0xdf, 0xf7, 0x39}, // random
+		nil},
+	{
+		[]byte{0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe},
+		[]byte{0xe8, 0xe1, 0xa7, 0xc1, 0xde, 0x11, 0x89, 0xaa}, // random
+		nil},
+	{
+		[]byte{0xe0, 0xe0, 0xe0, 0xe0, 0xf1, 0xf1, 0xf1, 0xf1},
+		[]byte{0x50, 0x6a, 0x4b, 0x94, 0x3b, 0xed, 0x7d, 0xdc}, // random
+		nil},
+	{
+		[]byte{0x1f, 0x1f, 0x1f, 0x1f, 0x0e, 0x0e, 0x0e, 0x0e},
+		[]byte{0x88, 0x81, 0x56, 0x38, 0xec, 0x3b, 0x1c, 0x97}, // random
+		nil},
+	{
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x17, 0xa0, 0x83, 0x62, 0x32, 0xfe, 0x9a, 0x0b}, // random
+		nil},
+	{
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0xca, 0x8f, 0xca, 0x1f, 0x50, 0xc5, 0x7b, 0x49}, // random
+		nil},
+	{
+		[]byte{0xe1, 0xe1, 0xe1, 0xe1, 0xf0, 0xf0, 0xf0, 0xf0},
+		[]byte{0xb1, 0xea, 0xad, 0x7d, 0xe7, 0xc3, 0x7a, 0x43}, // random
+		nil},
+	{
+		[]byte{0x1e, 0x1e, 0x1e, 0x1e, 0x0f, 0x0f, 0x0f, 0x0f},
+		[]byte{0xae, 0x74, 0x7d, 0x6f, 0xef, 0x16, 0xbb, 0x81}, // random
+		nil},
+}
+
+var semiWeakKeyTests = []CryptTest{
+	// key and out contain the semi-weak key pair
+	{
+		[]byte{0x01, 0x1f, 0x01, 0x1f, 0x01, 0x0e, 0x01, 0x0e},
+		[]byte{0x12, 0xfa, 0x31, 0x16, 0xf9, 0xc5, 0x0a, 0xe4}, // random
+		[]byte{0x1f, 0x01, 0x1f, 0x01, 0x0e, 0x01, 0x0e, 0x01}},
+	{
+		[]byte{0x01, 0xe0, 0x01, 0xe0, 0x01, 0xf1, 0x01, 0xf1},
+		[]byte{0xb0, 0x4c, 0x7a, 0xee, 0xd2, 0xe5, 0x4d, 0xb7}, // random
+		[]byte{0xe0, 0x01, 0xe0, 0x01, 0xf1, 0x01, 0xf1, 0x01}},
+	{
+		[]byte{0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe},
+		[]byte{0xa4, 0x81, 0xcd, 0xb1, 0x64, 0x6f, 0xd3, 0xbc}, // random
+		[]byte{0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01}},
+	{
+		[]byte{0x1f, 0xe0, 0x1f, 0xe0, 0x0e, 0xf1, 0x0e, 0xf1},
+		[]byte{0xee, 0x27, 0xdd, 0x88, 0x4c, 0x22, 0xcd, 0xce}, // random
+		[]byte{0xe0, 0x1f, 0xe0, 0x1f, 0xf1, 0x0e, 0xf1, 0x0e}},
+	{
+		[]byte{0x1f, 0xfe, 0x1f, 0xfe, 0x0e, 0xfe, 0x0e, 0xfe},
+		[]byte{0x19, 0x3d, 0xcf, 0x97, 0x70, 0xfb, 0xab, 0xe1}, // random
+		[]byte{0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x0e, 0xfe, 0x0e}},
+	{
+		[]byte{0xe0, 0xfe, 0xe0, 0xfe, 0xf1, 0xfe, 0xf1, 0xfe},
+		[]byte{0x7c, 0x82, 0x69, 0xe4, 0x1e, 0x86, 0x99, 0xd7}, // random
+		[]byte{0xfe, 0xe0, 0xfe, 0xe0, 0xfe, 0xf1, 0xfe, 0xf1}},
+}
+
+// some custom tests for TripleDES
+var encryptTripleDESTests = []CryptTest{
+	{
+		[]byte{
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x92, 0x95, 0xb5, 0x9b, 0xb3, 0x84, 0x73, 0x6e}},
+	{
+		[]byte{
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0xc1, 0x97, 0xf5, 0x58, 0x74, 0x8a, 0x20, 0xe7}},
+	{
+		[]byte{
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x3e, 0x68, 0x0a, 0xa7, 0x8b, 0x75, 0xdf, 0x18}},
+	{
+		[]byte{
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+		[]byte{0x6d, 0x6a, 0x4a, 0x64, 0x4c, 0x7b, 0x8c, 0x91}},
+	{
+		[]byte{ // "abcdefgh12345678ABCDEFGH"
+			0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+			0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
+			0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48},
+		[]byte{0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30}, // "00000000"
+		[]byte{0xe4, 0x61, 0xb7, 0x59, 0x68, 0x8b, 0xff, 0x66}},
+	{
+		[]byte{ // "abcdefgh12345678ABCDEFGH"
+			0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+			0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
+			0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48},
+		[]byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678"
+		[]byte{0xdb, 0xd0, 0x92, 0xde, 0xf8, 0x34, 0xff, 0x58}},
+	{
+		[]byte{ // "abcdefgh12345678ABCDEFGH"
+			0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+			0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
+			0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48},
+		[]byte{0xf0, 0xc5, 0x82, 0x22, 0xd3, 0xe6, 0x12, 0xd2}, // random
+		[]byte{0xba, 0xe4, 0x41, 0xb1, 0x3c, 0x37, 0x4d, 0xf4}},
+	{
+		[]byte{ // random
+			0xd3, 0x7d, 0x45, 0xee, 0x22, 0xe9, 0xcf, 0x52,
+			0xf4, 0x65, 0xa2, 0x4f, 0x70, 0xd1, 0x81, 0x8a,
+			0x3d, 0xbe, 0x2f, 0x39, 0xc7, 0x71, 0xd2, 0xe9},
+		[]byte{0x49, 0x53, 0xc3, 0xe9, 0x78, 0xdf, 0x9f, 0xaf}, // random
+		[]byte{0x53, 0x40, 0x51, 0x24, 0xd8, 0x3c, 0xf9, 0x88}},
+	{
+		[]byte{ // random
+			0xcb, 0x10, 0x7d, 0xda, 0x7e, 0x96, 0x57, 0x0a,
+			0xe8, 0xeb, 0xe8, 0x07, 0x8e, 0x87, 0xd3, 0x57,
+			0xb2, 0x61, 0x12, 0xb8, 0x2a, 0x90, 0xb7, 0x2f},
+		[]byte{0xa3, 0xc2, 0x60, 0xb1, 0x0b, 0xb7, 0x28, 0x6e}, // random
+		[]byte{0x56, 0x73, 0x7d, 0xfb, 0xb5, 0xa1, 0xc3, 0xde}},
+}
+
+// NIST Special Publication 800-20, Appendix A
+// Key for use with Table A.1 tests
+var tableA1Key = []byte{
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+}
+
+// Table A.1 Resulting Ciphertext from the Variable Plaintext Known Answer Test
+var tableA1Tests = []CryptTest{
+	{nil, // 0
+		[]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x95, 0xf8, 0xa5, 0xe5, 0xdd, 0x31, 0xd9, 0x00}},
+	{nil, // 1
+		[]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xdd, 0x7f, 0x12, 0x1c, 0xa5, 0x01, 0x56, 0x19}},
+	{nil, // 2
+		[]byte{0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x2e, 0x86, 0x53, 0x10, 0x4f, 0x38, 0x34, 0xea}},
+	{nil, // 3
+		[]byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x4b, 0xd3, 0x88, 0xff, 0x6c, 0xd8, 0x1d, 0x4f}},
+	{nil, // 4
+		[]byte{0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x20, 0xb9, 0xe7, 0x67, 0xb2, 0xfb, 0x14, 0x56}},
+	{nil, // 5
+		[]byte{0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x55, 0x57, 0x93, 0x80, 0xd7, 0x71, 0x38, 0xef}},
+	{nil, // 6
+		[]byte{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x6c, 0xc5, 0xde, 0xfa, 0xaf, 0x04, 0x51, 0x2f}},
+	{nil, // 7
+		[]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x0d, 0x9f, 0x27, 0x9b, 0xa5, 0xd8, 0x72, 0x60}},
+	{nil, // 8
+		[]byte{0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xd9, 0x03, 0x1b, 0x02, 0x71, 0xbd, 0x5a, 0x0a}},
+	{nil, // 9
+		[]byte{0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x42, 0x42, 0x50, 0xb3, 0x7c, 0x3d, 0xd9, 0x51}},
+	{nil, // 10
+		[]byte{0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xb8, 0x06, 0x1b, 0x7e, 0xcd, 0x9a, 0x21, 0xe5}},
+	{nil, // 11
+		[]byte{0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xf1, 0x5d, 0x0f, 0x28, 0x6b, 0x65, 0xbd, 0x28}},
+	{nil, // 12
+		[]byte{0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xad, 0xd0, 0xcc, 0x8d, 0x6e, 0x5d, 0xeb, 0xa1}},
+	{nil, // 13
+		[]byte{0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xe6, 0xd5, 0xf8, 0x27, 0x52, 0xad, 0x63, 0xd1}},
+	{nil, // 14
+		[]byte{0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xec, 0xbf, 0xe3, 0xbd, 0x3f, 0x59, 0x1a, 0x5e}},
+	{nil, // 15
+		[]byte{0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xf3, 0x56, 0x83, 0x43, 0x79, 0xd1, 0x65, 0xcd}},
+	{nil, // 16
+		[]byte{0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x2b, 0x9f, 0x98, 0x2f, 0x20, 0x03, 0x7f, 0xa9}},
+	{nil, // 17
+		[]byte{0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x88, 0x9d, 0xe0, 0x68, 0xa1, 0x6f, 0x0b, 0xe6}},
+	{nil, // 18
+		[]byte{0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xe1, 0x9e, 0x27, 0x5d, 0x84, 0x6a, 0x12, 0x98}},
+	{nil, // 19
+		[]byte{0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x32, 0x9a, 0x8e, 0xd5, 0x23, 0xd7, 0x1a, 0xec}},
+	{nil, // 20
+		[]byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xe7, 0xfc, 0xe2, 0x25, 0x57, 0xd2, 0x3c, 0x97}},
+	{nil, // 21
+		[]byte{0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x12, 0xa9, 0xf5, 0x81, 0x7f, 0xf2, 0xd6, 0x5d}},
+	{nil, // 22
+		[]byte{0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xa4, 0x84, 0xc3, 0xad, 0x38, 0xdc, 0x9c, 0x19}},
+	{nil, // 23
+		[]byte{0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xfb, 0xe0, 0x0a, 0x8a, 0x1e, 0xf8, 0xad, 0x72}},
+	{nil, // 24
+		[]byte{0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x75, 0x0d, 0x07, 0x94, 0x07, 0x52, 0x13, 0x63}},
+	{nil, // 25
+		[]byte{0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x64, 0xfe, 0xed, 0x9c, 0x72, 0x4c, 0x2f, 0xaf}},
+	{nil, // 26
+		[]byte{0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xf0, 0x2b, 0x26, 0x3b, 0x32, 0x8e, 0x2b, 0x60}},
+	{nil, // 27
+		[]byte{0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0x9d, 0x64, 0x55, 0x5a, 0x9a, 0x10, 0xb8, 0x52}},
+	{nil, // 28
+		[]byte{0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xd1, 0x06, 0xff, 0x0b, 0xed, 0x52, 0x55, 0xd7}},
+	{nil, // 29
+		[]byte{0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xe1, 0x65, 0x2c, 0x6b, 0x13, 0x8c, 0x64, 0xa5}},
+	{nil, // 30
+		[]byte{0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xe4, 0x28, 0x58, 0x11, 0x86, 0xec, 0x8f, 0x46}},
+	{nil, // 31
+		[]byte{0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00},
+		[]byte{0xae, 0xb5, 0xf5, 0xed, 0xe2, 0x2d, 0x1a, 0x36}},
+	{nil, // 32
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00},
+		[]byte{0xe9, 0x43, 0xd7, 0x56, 0x8a, 0xec, 0x0c, 0x5c}},
+	{nil, // 33
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00},
+		[]byte{0xdf, 0x98, 0xc8, 0x27, 0x6f, 0x54, 0xb0, 0x4b}},
+	{nil, // 34
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00},
+		[]byte{0xb1, 0x60, 0xe4, 0x68, 0x0f, 0x6c, 0x69, 0x6f}},
+	{nil, // 35
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00},
+		[]byte{0xfa, 0x07, 0x52, 0xb0, 0x7d, 0x9c, 0x4a, 0xb8}},
+	{nil, // 36
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00},
+		[]byte{0xca, 0x3a, 0x2b, 0x03, 0x6d, 0xbc, 0x85, 0x02}},
+	{nil, // 37
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00},
+		[]byte{0x5e, 0x09, 0x05, 0x51, 0x7b, 0xb5, 0x9b, 0xcf}},
+	{nil, // 38
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00},
+		[]byte{0x81, 0x4e, 0xeb, 0x3b, 0x91, 0xd9, 0x07, 0x26}},
+	{nil, // 39
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00},
+		[]byte{0x4d, 0x49, 0xdb, 0x15, 0x32, 0x91, 0x9c, 0x9f}},
+	{nil, // 40
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00},
+		[]byte{0x25, 0xeb, 0x5f, 0xc3, 0xf8, 0xcf, 0x06, 0x21}},
+	{nil, // 41
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00},
+		[]byte{0xab, 0x6a, 0x20, 0xc0, 0x62, 0x0d, 0x1c, 0x6f}},
+	{nil, // 42
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00},
+		[]byte{0x79, 0xe9, 0x0d, 0xbc, 0x98, 0xf9, 0x2c, 0xca}},
+	{nil, // 43
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00},
+		[]byte{0x86, 0x6e, 0xce, 0xdd, 0x80, 0x72, 0xbb, 0x0e}},
+	{nil, // 44
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00},
+		[]byte{0x8b, 0x54, 0x53, 0x6f, 0x2f, 0x3e, 0x64, 0xa8}},
+	{nil, // 45
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00},
+		[]byte{0xea, 0x51, 0xd3, 0x97, 0x55, 0x95, 0xb8, 0x6b}},
+	{nil, // 46
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00},
+		[]byte{0xca, 0xff, 0xc6, 0xac, 0x45, 0x42, 0xde, 0x31}},
+	{nil, // 47
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00},
+		[]byte{0x8d, 0xd4, 0x5a, 0x2d, 0xdf, 0x90, 0x79, 0x6c}},
+	{nil, // 48
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00},
+		[]byte{0x10, 0x29, 0xd5, 0x5e, 0x88, 0x0e, 0xc2, 0xd0}},
+	{nil, // 49
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00},
+		[]byte{0x5d, 0x86, 0xcb, 0x23, 0x63, 0x9d, 0xbe, 0xa9}},
+	{nil, // 50
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00},
+		[]byte{0x1d, 0x1c, 0xa8, 0x53, 0xae, 0x7c, 0x0c, 0x5f}},
+	{nil, // 51
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00},
+		[]byte{0xce, 0x33, 0x23, 0x29, 0x24, 0x8f, 0x32, 0x28}},
+	{nil, // 52
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00},
+		[]byte{0x84, 0x05, 0xd1, 0xab, 0xe2, 0x4f, 0xb9, 0x42}},
+	{nil, // 53
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00},
+		[]byte{0xe6, 0x43, 0xd7, 0x80, 0x90, 0xca, 0x42, 0x07}},
+	{nil, // 54
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00},
+		[]byte{0x48, 0x22, 0x1b, 0x99, 0x37, 0x74, 0x8a, 0x23}},
+	{nil, // 55
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00},
+		[]byte{0xdd, 0x7c, 0x0b, 0xbd, 0x61, 0xfa, 0xfd, 0x54}},
+	{nil, // 56
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80},
+		[]byte{0x2f, 0xbc, 0x29, 0x1a, 0x57, 0x0d, 0xb5, 0xc4}},
+	{nil, // 57
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40},
+		[]byte{0xe0, 0x7c, 0x30, 0xd7, 0xe4, 0xe2, 0x6e, 0x12}},
+	{nil, // 58
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20},
+		[]byte{0x09, 0x53, 0xe2, 0x25, 0x8e, 0x8e, 0x90, 0xa1}},
+	{nil, // 59
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
+		[]byte{0x5b, 0x71, 0x1b, 0xc4, 0xce, 0xeb, 0xf2, 0xee}},
+	{nil, // 60
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+		[]byte{0xcc, 0x08, 0x3f, 0x1e, 0x6d, 0x9e, 0x85, 0xf6}},
+	{nil, // 61
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+		[]byte{0xd2, 0xfd, 0x88, 0x67, 0xd5, 0x0d, 0x2d, 0xfe}},
+	{nil, // 62
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+		[]byte{0x06, 0xe7, 0xea, 0x22, 0xce, 0x92, 0x70, 0x8f}},
+	{nil, // 63
+		[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+		[]byte{0x16, 0x6b, 0x40, 0xb4, 0x4a, 0xba, 0x4b, 0xd6}},
+}
+
+// Plaintext for use with Table A.2 tests
+var tableA2Plaintext = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+// Table A.2 Resulting Ciphertext from the Variable Key Known Answer Test
+var tableA2Tests = []CryptTest{
+	{ // 0
+		[]byte{
+			0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x95, 0xa8, 0xd7, 0x28, 0x13, 0xda, 0xa9, 0x4d}},
+	{ // 1
+		[]byte{
+			0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x0e, 0xec, 0x14, 0x87, 0xdd, 0x8c, 0x26, 0xd5}},
+	{ // 2
+		[]byte{
+			0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x7a, 0xd1, 0x6f, 0xfb, 0x79, 0xc4, 0x59, 0x26}},
+	{ // 3
+		[]byte{
+			0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xd3, 0x74, 0x62, 0x94, 0xca, 0x6a, 0x6c, 0xf3}},
+	{ // 4
+		[]byte{
+			0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x80, 0x9f, 0x5f, 0x87, 0x3c, 0x1f, 0xd7, 0x61}},
+	{ // 5
+		[]byte{
+			0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xc0, 0x2f, 0xaf, 0xfe, 0xc9, 0x89, 0xd1, 0xfc}},
+	{ // 6
+		[]byte{
+			0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x46, 0x15, 0xaa, 0x1d, 0x33, 0xe7, 0x2f, 0x10}},
+	{ // 7
+		[]byte{
+			0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x20, 0x55, 0x12, 0x33, 0x50, 0xc0, 0x08, 0x58}},
+	{ // 8
+		[]byte{
+			0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xdf, 0x3b, 0x99, 0xd6, 0x57, 0x73, 0x97, 0xc8}},
+	{ // 9
+		[]byte{
+			0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x31, 0xfe, 0x17, 0x36, 0x9b, 0x52, 0x88, 0xc9}},
+	{ // 10
+		[]byte{
+			0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xdf, 0xdd, 0x3c, 0xc6, 0x4d, 0xae, 0x16, 0x42}},
+	{ // 11
+		[]byte{
+			0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x17, 0x8c, 0x83, 0xce, 0x2b, 0x39, 0x9d, 0x94}},
+	{ // 12
+		[]byte{
+			0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x50, 0xf6, 0x36, 0x32, 0x4a, 0x9b, 0x7f, 0x80}},
+	{ // 13
+		[]byte{
+			0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xa8, 0x46, 0x8e, 0xe3, 0xbc, 0x18, 0xf0, 0x6d}},
+	{ // 14
+		[]byte{
+			0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xa2, 0xdc, 0x9e, 0x92, 0xfd, 0x3c, 0xde, 0x92}},
+	{ // 15
+		[]byte{
+			0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xca, 0xc0, 0x9f, 0x79, 0x7d, 0x03, 0x12, 0x87}},
+	{ // 16
+		[]byte{
+			0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x90, 0xba, 0x68, 0x0b, 0x22, 0xae, 0xb5, 0x25}},
+	{ // 17
+		[]byte{
+			0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xce, 0x7a, 0x24, 0xf3, 0x50, 0xe2, 0x80, 0xb6}},
+	{ // 18
+		[]byte{
+			0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x88, 0x2b, 0xff, 0x0a, 0xa0, 0x1a, 0x0b, 0x87}},
+	{ // 19
+		[]byte{
+			0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x25, 0x61, 0x02, 0x88, 0x92, 0x45, 0x11, 0xc2}},
+	{ // 20
+		[]byte{
+			0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xc7, 0x15, 0x16, 0xc2, 0x9c, 0x75, 0xd1, 0x70}},
+	{ // 21
+		[]byte{
+			0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x51, 0x99, 0xc2, 0x9a, 0x52, 0xc9, 0xf0, 0x59}},
+	{ // 22
+		[]byte{
+			0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xc2, 0x2f, 0x0a, 0x29, 0x4a, 0x71, 0xf2, 0x9f}},
+	{ // 23
+		[]byte{
+			0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xee, 0x37, 0x14, 0x83, 0x71, 0x4c, 0x02, 0xea}},
+	{ // 24
+		[]byte{
+			0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xa8, 0x1f, 0xbd, 0x44, 0x8f, 0x9e, 0x52, 0x2f}},
+	{ // 25
+		[]byte{
+			0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x4f, 0x64, 0x4c, 0x92, 0xe1, 0x92, 0xdf, 0xed}},
+	{ // 26
+		[]byte{
+			0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x1a, 0xfa, 0x9a, 0x66, 0xa6, 0xdf, 0x92, 0xae}},
+	{ // 27
+		[]byte{
+			0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xb3, 0xc1, 0xcc, 0x71, 0x5c, 0xb8, 0x79, 0xd8}},
+	{ // 28
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x19, 0xd0, 0x32, 0xe6, 0x4a, 0xb0, 0xbd, 0x8b}},
+	{ // 29
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x3c, 0xfa, 0xa7, 0xa7, 0xdc, 0x87, 0x20, 0xdc}},
+	{ // 30
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0xb7, 0x26, 0x5f, 0x7f, 0x44, 0x7a, 0xc6, 0xf3}},
+	{ // 31
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x9d, 0xb7, 0x3b, 0x3c, 0x0d, 0x16, 0x3f, 0x54}},
+	{ // 32
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x81, 0x81, 0xb6, 0x5b, 0xab, 0xf4, 0xa9, 0x75}},
+	{ // 33
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x93, 0xc9, 0xb6, 0x40, 0x42, 0xea, 0xa2, 0x40}},
+	{ // 34
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01},
+		nil,
+		[]byte{0x55, 0x70, 0x53, 0x08, 0x29, 0x70, 0x55, 0x92}},
+	{ // 35
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01},
+		nil,
+		[]byte{0x86, 0x38, 0x80, 0x9e, 0x87, 0x87, 0x87, 0xa0}},
+	{ // 36
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01},
+		nil,
+		[]byte{0x41, 0xb9, 0xa7, 0x9a, 0xf7, 0x9a, 0xc2, 0x08}},
+	{ // 37
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01},
+		nil,
+		[]byte{0x7a, 0x9b, 0xe4, 0x2f, 0x20, 0x09, 0xa8, 0x92}},
+	{ // 38
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01},
+		nil,
+		[]byte{0x29, 0x03, 0x8d, 0x56, 0xba, 0x6d, 0x27, 0x45}},
+	{ // 39
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01},
+		nil,
+		[]byte{0x54, 0x95, 0xc6, 0xab, 0xf1, 0xe5, 0xdf, 0x51}},
+	{ // 40
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01},
+		nil,
+		[]byte{0xae, 0x13, 0xdb, 0xd5, 0x61, 0x48, 0x89, 0x33}},
+	{ // 41
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01},
+		nil,
+		[]byte{0x02, 0x4d, 0x1f, 0xfa, 0x89, 0x04, 0xe3, 0x89}},
+	{ // 42
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01},
+		nil,
+		[]byte{0xd1, 0x39, 0x97, 0x12, 0xf9, 0x9b, 0xf0, 0x2e}},
+	{ // 43
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01},
+		nil,
+		[]byte{0x14, 0xc1, 0xd7, 0xc1, 0xcf, 0xfe, 0xc7, 0x9e}},
+	{ // 44
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01},
+		nil,
+		[]byte{0x1d, 0xe5, 0x27, 0x9d, 0xae, 0x3b, 0xed, 0x6f}},
+	{ // 45
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01},
+		nil,
+		[]byte{0xe9, 0x41, 0xa3, 0x3f, 0x85, 0x50, 0x13, 0x03}},
+	{ // 46
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01},
+		nil,
+		[]byte{0xda, 0x99, 0xdb, 0xbc, 0x9a, 0x03, 0xf3, 0x79}},
+	{ // 47
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01},
+		nil,
+		[]byte{0xb7, 0xfc, 0x92, 0xf9, 0x1d, 0x8e, 0x92, 0xe9}},
+	{ // 48
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01},
+		nil,
+		[]byte{0xae, 0x8e, 0x5c, 0xaa, 0x3c, 0xa0, 0x4e, 0x85}},
+	{ // 49
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80},
+		nil,
+		[]byte{0x9c, 0xc6, 0x2d, 0xf4, 0x3b, 0x6e, 0xed, 0x74}},
+	{ // 50
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40},
+		nil,
+		[]byte{0xd8, 0x63, 0xdb, 0xb5, 0xc5, 0x9a, 0x91, 0xa0}},
+	{ // 50
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20},
+		nil,
+		[]byte{0xa1, 0xab, 0x21, 0x90, 0x54, 0x5b, 0x91, 0xd7}},
+	{ // 52
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10},
+		nil,
+		[]byte{0x08, 0x75, 0x04, 0x1e, 0x64, 0xc5, 0x70, 0xf7}},
+	{ // 53
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08},
+		nil,
+		[]byte{0x5a, 0x59, 0x45, 0x28, 0xbe, 0xbe, 0xf1, 0xcc}},
+	{ // 54
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04},
+		nil,
+		[]byte{0xfc, 0xdb, 0x32, 0x91, 0xde, 0x21, 0xf0, 0xc0}},
+	{ // 55
+		[]byte{
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02,
+			0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02},
+		nil,
+		[]byte{0x86, 0x9e, 0xfd, 0x7f, 0x9f, 0x26, 0x5a, 0x09}},
+}
+
+// Plaintext for use with Table A.3 tests
+var tableA3Plaintext = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+// Table A.3 Values To Be Used for the Permutation Operation Known Answer Test
+var tableA3Tests = []CryptTest{
+	{ // 0
+		[]byte{
+			0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31,
+			0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31,
+			0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31,
+		},
+		nil,
+		[]byte{0x88, 0xd5, 0x5e, 0x54, 0xf5, 0x4c, 0x97, 0xb4}},
+	{ // 1
+		[]byte{
+			0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+			0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+			0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+		},
+		nil,
+		[]byte{0x0c, 0x0c, 0xc0, 0x0c, 0x83, 0xea, 0x48, 0xfd}},
+	{ // 2
+		[]byte{
+			0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20,
+			0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20,
+			0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20,
+		},
+		nil,
+		[]byte{0x83, 0xbc, 0x8e, 0xf3, 0xa6, 0x57, 0x01, 0x83}},
+	{ // 3
+		[]byte{
+			0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+			0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+			0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20,
+		},
+		nil,
+		[]byte{0xdf, 0x72, 0x5d, 0xca, 0xd9, 0x4e, 0xa2, 0xe9}},
+	{ // 4
+		[]byte{
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01,
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01,
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xe6, 0x52, 0xb5, 0x3b, 0x55, 0x0b, 0xe8, 0xb0}},
+	{ // 5
+		[]byte{
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01,
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01,
+			0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xaf, 0x52, 0x71, 0x20, 0xc4, 0x85, 0xcb, 0xb0}},
+	{ // 6
+		[]byte{
+			0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01,
+			0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01,
+			0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x0f, 0x04, 0xce, 0x39, 0x3d, 0xb9, 0x26, 0xd5}},
+	{ // 7
+		[]byte{
+			0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xc9, 0xf0, 0x0f, 0xfc, 0x74, 0x07, 0x90, 0x67}},
+	{ // 8
+		[]byte{
+			0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01,
+			0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01,
+			0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x7c, 0xfd, 0x82, 0xa5, 0x93, 0x25, 0x2b, 0x4e}},
+	{ // 9
+		[]byte{
+			0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01,
+			0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01,
+			0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xcb, 0x49, 0xa2, 0xf9, 0xe9, 0x13, 0x63, 0xe3}},
+	{ // 10
+		[]byte{
+			0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40,
+			0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40,
+			0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40,
+		},
+		nil,
+		[]byte{0x00, 0xb5, 0x88, 0xbe, 0x70, 0xd2, 0x3f, 0x56}},
+	{ // 11
+		[]byte{
+			0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40,
+			0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40,
+			0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40,
+		},
+		nil,
+		[]byte{0x40, 0x6a, 0x9a, 0x6a, 0xb4, 0x33, 0x99, 0xae}},
+	{ // 12
+		[]byte{
+			0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01,
+			0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01,
+			0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x6c, 0xb7, 0x73, 0x61, 0x1d, 0xca, 0x9a, 0xda}},
+	{ // 13
+		[]byte{
+			0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01,
+			0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01,
+			0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x67, 0xfd, 0x21, 0xc1, 0x7d, 0xbb, 0x5d, 0x70}},
+	{ // 14
+		[]byte{
+			0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01,
+			0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01,
+			0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x95, 0x92, 0xcb, 0x41, 0x10, 0x43, 0x07, 0x87}},
+	{ // 15
+		[]byte{
+			0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20,
+			0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20,
+			0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20,
+		},
+		nil,
+		[]byte{0xa6, 0xb7, 0xff, 0x68, 0xa3, 0x18, 0xdd, 0xd3}},
+	{ // 16
+		[]byte{
+			0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x4d, 0x10, 0x21, 0x96, 0xc9, 0x14, 0xca, 0x16}},
+	{ // 17
+		[]byte{
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01,
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01,
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01,
+		},
+		nil,
+		[]byte{0x2d, 0xfa, 0x9f, 0x45, 0x73, 0x59, 0x49, 0x65}},
+	{ // 18
+		[]byte{
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01,
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01,
+			0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xb4, 0x66, 0x04, 0x81, 0x6c, 0x0e, 0x07, 0x74}},
+	{ // 19
+		[]byte{
+			0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01,
+			0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01,
+			0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01,
+		},
+		nil,
+		[]byte{0x6e, 0x7e, 0x62, 0x21, 0xa4, 0xf3, 0x4e, 0x87}},
+	{ // 20
+		[]byte{
+			0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01,
+			0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01,
+			0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xaa, 0x85, 0xe7, 0x46, 0x43, 0x23, 0x31, 0x99}},
+	{ // 21
+		[]byte{
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01,
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01,
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01,
+		},
+		nil,
+		[]byte{0x2e, 0x5a, 0x19, 0xdb, 0x4d, 0x19, 0x62, 0xd6}},
+	{ // 22
+		[]byte{
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01,
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01,
+			0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01,
+		},
+		nil,
+		[]byte{0x23, 0xa8, 0x66, 0xa8, 0x09, 0xd3, 0x08, 0x94}},
+	{ // 23
+		[]byte{
+			0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xd8, 0x12, 0xd9, 0x61, 0xf0, 0x17, 0xd3, 0x20}},
+	{ // 24
+		[]byte{
+			0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b,
+			0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b,
+			0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b,
+		},
+		nil,
+		[]byte{0x05, 0x56, 0x05, 0x81, 0x6e, 0x58, 0x60, 0x8f}},
+	{ // 25
+		[]byte{
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0xab, 0xd8, 0x8e, 0x8b, 0x1b, 0x77, 0x16, 0xf1}},
+	{ // 26
+		[]byte{
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02,
+		},
+		nil,
+		[]byte{0x53, 0x7a, 0xc9, 0x5b, 0xe6, 0x9d, 0xa1, 0xe1}},
+	{ // 27
+		[]byte{
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08,
+			0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08,
+		},
+		nil,
+		[]byte{0xae, 0xd0, 0xf6, 0xae, 0x3c, 0x25, 0xcd, 0xd8}},
+	{ // 28
+		[]byte{
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04,
+		},
+		nil,
+		[]byte{0xb3, 0xe3, 0x5a, 0x5e, 0xe5, 0x3e, 0x7b, 0x8d}},
+	{ // 29
+		[]byte{
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04,
+		},
+		nil,
+		[]byte{0x61, 0xc7, 0x9c, 0x71, 0x92, 0x1a, 0x2e, 0xf8}},
+	{ // 30
+		[]byte{
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01,
+			0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01,
+		},
+		nil,
+		[]byte{0xe2, 0xf5, 0x72, 0x8f, 0x09, 0x95, 0x01, 0x3c}},
+	{ // 31
+		[]byte{
+			0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01,
+			0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01,
+			0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01,
+		},
+		nil,
+		[]byte{0x1a, 0xea, 0xc3, 0x9a, 0x61, 0xf0, 0xa4, 0x64}},
+}
+
+// Table A.4 Values To Be Used for the Substitution Table Known Answer Test
+var tableA4Tests = []CryptTest{
+	{ // 0
+		[]byte{
+			0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57,
+			0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57,
+			0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57},
+		[]byte{0x01, 0xa1, 0xd6, 0xd0, 0x39, 0x77, 0x67, 0x42},
+		[]byte{0x69, 0x0f, 0x5b, 0x0d, 0x9a, 0x26, 0x93, 0x9b}},
+	{ // 1
+		[]byte{
+			0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e,
+			0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e,
+			0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e},
+		[]byte{0x5c, 0xd5, 0x4c, 0xa8, 0x3d, 0xef, 0x57, 0xda},
+		[]byte{0x7a, 0x38, 0x9d, 0x10, 0x35, 0x4b, 0xd2, 0x71}},
+	{ // 2
+		[]byte{
+			0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86,
+			0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86,
+			0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86},
+		[]byte{0x02, 0x48, 0xd4, 0x38, 0x06, 0xf6, 0x71, 0x72},
+		[]byte{0x86, 0x8e, 0xbb, 0x51, 0xca, 0xb4, 0x59, 0x9a}},
+	{ // 3
+		[]byte{
+			0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e,
+			0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e,
+			0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e},
+		[]byte{0x51, 0x45, 0x4b, 0x58, 0x2d, 0xdf, 0x44, 0x0a},
+		[]byte{0x71, 0x78, 0x87, 0x6e, 0x01, 0xf1, 0x9b, 0x2a}},
+	{ // 4
+		[]byte{
+			0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6,
+			0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6,
+			0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6},
+		[]byte{0x42, 0xfd, 0x44, 0x30, 0x59, 0x57, 0x7f, 0xa2},
+		[]byte{0xaf, 0x37, 0xfb, 0x42, 0x1f, 0x8c, 0x40, 0x95}},
+	{ // 5
+		[]byte{
+			0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce,
+			0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce,
+			0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce},
+		[]byte{0x05, 0x9b, 0x5e, 0x08, 0x51, 0xcf, 0x14, 0x3a},
+		[]byte{0x86, 0xa5, 0x60, 0xf1, 0x0e, 0xc6, 0xd8, 0x5b}},
+	{ // 6
+		[]byte{
+			0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6,
+			0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6,
+			0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6},
+		[]byte{0x07, 0x56, 0xd8, 0xe0, 0x77, 0x47, 0x61, 0xd2},
+		[]byte{0x0c, 0xd3, 0xda, 0x02, 0x00, 0x21, 0xdc, 0x09}},
+	{ // 7
+		[]byte{
+			0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe,
+			0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe,
+			0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe},
+		[]byte{0x76, 0x25, 0x14, 0xb8, 0x29, 0xbf, 0x48, 0x6a},
+		[]byte{0xea, 0x67, 0x6b, 0x2c, 0xb7, 0xdb, 0x2b, 0x7a}},
+	{ // 8
+		[]byte{
+			0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16,
+			0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16,
+			0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16},
+		[]byte{0x3b, 0xdd, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02},
+		[]byte{0xdf, 0xd6, 0x4a, 0x81, 0x5c, 0xaf, 0x1a, 0x0f}},
+	{ // 9
+		[]byte{
+			0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f,
+			0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f,
+			0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f},
+		[]byte{0x26, 0x95, 0x5f, 0x68, 0x35, 0xaf, 0x60, 0x9a},
+		[]byte{0x5c, 0x51, 0x3c, 0x9c, 0x48, 0x86, 0xc0, 0x88}},
+	{ // 10
+		[]byte{
+			0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46,
+			0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46,
+			0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46},
+		[]byte{0x16, 0x4d, 0x5e, 0x40, 0x4f, 0x27, 0x52, 0x32},
+		[]byte{0x0a, 0x2a, 0xee, 0xae, 0x3f, 0xf4, 0xab, 0x77}},
+	{ // 11
+		[]byte{
+			0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e,
+			0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e,
+			0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e},
+		[]byte{0x6b, 0x05, 0x6e, 0x18, 0x75, 0x9f, 0x5c, 0xca},
+		[]byte{0xef, 0x1b, 0xf0, 0x3e, 0x5d, 0xfa, 0x57, 0x5a}},
+	{ // 12
+		[]byte{
+			0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76,
+			0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76,
+			0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76},
+		[]byte{0x00, 0x4b, 0xd6, 0xef, 0x09, 0x17, 0x60, 0x62},
+		[]byte{0x88, 0xbf, 0x0d, 0xb6, 0xd7, 0x0d, 0xee, 0x56}},
+	{ // 13
+		[]byte{
+			0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07,
+			0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07,
+			0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07},
+		[]byte{0x48, 0x0d, 0x39, 0x00, 0x6e, 0xe7, 0x62, 0xf2},
+		[]byte{0xa1, 0xf9, 0x91, 0x55, 0x41, 0x02, 0x0b, 0x56}},
+	{ // 14
+		[]byte{
+			0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f,
+			0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f,
+			0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f},
+		[]byte{0x43, 0x75, 0x40, 0xc8, 0x69, 0x8f, 0x3c, 0xfa},
+		[]byte{0x6f, 0xbf, 0x1c, 0xaf, 0xcf, 0xfd, 0x05, 0x56}},
+	{ // 15
+		[]byte{
+			0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7,
+			0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7,
+			0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7},
+		[]byte{0x07, 0x2d, 0x43, 0xa0, 0x77, 0x07, 0x52, 0x92},
+		[]byte{0x2f, 0x22, 0xe4, 0x9b, 0xab, 0x7c, 0xa1, 0xac}},
+	{ // 16
+		[]byte{
+			0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf,
+			0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf,
+			0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf},
+		[]byte{0x02, 0xfe, 0x55, 0x77, 0x81, 0x17, 0xf1, 0x2a},
+		[]byte{0x5a, 0x6b, 0x61, 0x2c, 0xc2, 0x6c, 0xce, 0x4a}},
+	{ // 17
+		[]byte{
+			0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6,
+			0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6,
+			0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6},
+		[]byte{0x1d, 0x9d, 0x5c, 0x50, 0x18, 0xf7, 0x28, 0xc2},
+		[]byte{0x5f, 0x4c, 0x03, 0x8e, 0xd1, 0x2b, 0x2e, 0x41}},
+	{ // 18
+		[]byte{
+			0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef,
+			0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef,
+			0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef},
+		[]byte{0x30, 0x55, 0x32, 0x28, 0x6d, 0x6f, 0x29, 0x5a},
+		[]byte{0x63, 0xfa, 0xc0, 0xd0, 0x34, 0xd9, 0xf7, 0x93}},
+}
+
+// Use the known weak keys to test DES implementation
+func TestWeakKeys(t *testing.T) {
+	for i, tt := range weakKeyTests {
+		var encrypt = func(in []byte) (out []byte) {
+			c, _ := NewCipher(tt.key)
+			out = make([]byte, len(in))
+			encryptBlock(c.subkeys[:], out, in)
+			return
+		}
+
+		// Encrypting twice with a DES weak
+		// key should reproduce the original input
+		result := encrypt(tt.in)
+		result = encrypt(result)
+
+		if !bytes.Equal(result, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, result, tt.in)
+		}
+	}
+}
+
+// Use the known semi-weak key pairs to test DES implementation
+func TestSemiWeakKeyPairs(t *testing.T) {
+	for i, tt := range semiWeakKeyTests {
+		var encrypt = func(key, in []byte) (out []byte) {
+			c, _ := NewCipher(key)
+			out = make([]byte, len(in))
+			encryptBlock(c.subkeys[:], out, in)
+			return
+		}
+
+		// Encrypting with one member of the semi-weak pair
+		// and then encrypting the result with the other member
+		// should reproduce the original input.
+		result := encrypt(tt.key, tt.in)
+		result = encrypt(tt.out, result)
+
+		if !bytes.Equal(result, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, result, tt.in)
+		}
+	}
+}
+
+func TestDESEncryptBlock(t *testing.T) {
+	for i, tt := range encryptDESTests {
+		c, _ := NewCipher(tt.key)
+		out := make([]byte, len(tt.in))
+		encryptBlock(c.subkeys[:], out, tt.in)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+func TestDESDecryptBlock(t *testing.T) {
+	for i, tt := range encryptDESTests {
+		c, _ := NewCipher(tt.key)
+		plain := make([]byte, len(tt.in))
+		decryptBlock(c.subkeys[:], plain, tt.out)
+
+		if !bytes.Equal(plain, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, plain, tt.in)
+		}
+	}
+}
+
+func TestEncryptTripleDES(t *testing.T) {
+	for i, tt := range encryptTripleDESTests {
+		c, _ := NewTripleDESCipher(tt.key)
+		out := make([]byte, len(tt.in))
+		c.Encrypt(out, tt.in)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+func TestDecryptTripleDES(t *testing.T) {
+	for i, tt := range encryptTripleDESTests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		plain := make([]byte, len(tt.in))
+		c.Decrypt(plain, tt.out)
+
+		if !bytes.Equal(plain, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, plain, tt.in)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestVariablePlaintextKnownAnswer(t *testing.T) {
+	for i, tt := range tableA1Tests {
+		c, _ := NewTripleDESCipher(tableA1Key)
+
+		out := make([]byte, len(tt.in))
+		c.Encrypt(out, tt.in)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestVariableCiphertextKnownAnswer(t *testing.T) {
+	for i, tt := range tableA1Tests {
+		c, _ := NewTripleDESCipher(tableA1Key)
+
+		plain := make([]byte, len(tt.out))
+		c.Decrypt(plain, tt.out)
+
+		if !bytes.Equal(plain, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, plain, tt.in)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+// Encrypting the Table A.1 ciphertext with the
+// 0x01... key produces the original plaintext
+func TestInversePermutationKnownAnswer(t *testing.T) {
+	for i, tt := range tableA1Tests {
+		c, _ := NewTripleDESCipher(tableA1Key)
+
+		plain := make([]byte, len(tt.in))
+		c.Encrypt(plain, tt.out)
+
+		if !bytes.Equal(plain, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, plain, tt.in)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+// Decrypting the Table A.1 plaintext with the
+// 0x01... key produces the corresponding ciphertext
+func TestInitialPermutationKnownAnswer(t *testing.T) {
+	for i, tt := range tableA1Tests {
+		c, _ := NewTripleDESCipher(tableA1Key)
+
+		out := make([]byte, len(tt.in))
+		c.Decrypt(out, tt.in)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestVariableKeyKnownAnswerEncrypt(t *testing.T) {
+	for i, tt := range tableA2Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tableA2Plaintext))
+		c.Encrypt(out, tableA2Plaintext)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestVariableKeyKnownAnswerDecrypt(t *testing.T) {
+	for i, tt := range tableA2Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tt.out))
+		c.Decrypt(out, tt.out)
+
+		if !bytes.Equal(out, tableA2Plaintext) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tableA2Plaintext)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestPermutationOperationKnownAnswerEncrypt(t *testing.T) {
+	for i, tt := range tableA3Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tableA3Plaintext))
+		c.Encrypt(out, tableA3Plaintext)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestPermutationOperationKnownAnswerDecrypt(t *testing.T) {
+	for i, tt := range tableA3Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tt.out))
+		c.Decrypt(out, tt.out)
+
+		if !bytes.Equal(out, tableA3Plaintext) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tableA3Plaintext)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestSubstitutionTableKnownAnswerEncrypt(t *testing.T) {
+	for i, tt := range tableA4Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tt.in))
+		c.Encrypt(out, tt.in)
+
+		if !bytes.Equal(out, tt.out) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.out)
+		}
+	}
+}
+
+// Defined in Pub 800-20
+func TestSubstitutionTableKnownAnswerDecrypt(t *testing.T) {
+	for i, tt := range tableA4Tests {
+		c, _ := NewTripleDESCipher(tt.key)
+
+		out := make([]byte, len(tt.out))
+		c.Decrypt(out, tt.out)
+
+		if !bytes.Equal(out, tt.in) {
+			t.Errorf("#%d: result: %x want: %x", i, out, tt.in)
+		}
+	}
+}
diff --git a/libgo/go/crypto/ecdsa/ecdsa.go b/libgo/go/crypto/ecdsa/ecdsa.go
index 1f37849..7bce1bc 100644
--- a/libgo/go/crypto/ecdsa/ecdsa.go
+++ b/libgo/go/crypto/ecdsa/ecdsa.go
@@ -37,7 +37,7 @@ var one = new(big.Int).SetInt64(1)
 // curve using the procedure given in [NSA] A.2.1.
 func randFieldElement(c *elliptic.Curve, rand io.Reader) (k *big.Int, err os.Error) {
 	b := make([]byte, c.BitSize/8+8)
-	_, err = rand.Read(b)
+	_, err = io.ReadFull(rand, b)
 	if err != nil {
 		return
 	}
diff --git a/libgo/go/crypto/rand/rand_unix.go b/libgo/go/crypto/rand/rand_unix.go
index 66b72c0..3a06aa8 100644
--- a/libgo/go/crypto/rand/rand_unix.go
+++ b/libgo/go/crypto/rand/rand_unix.go
@@ -32,7 +32,7 @@ func (r *devReader) Read(b []byte) (n int, err os.Error) {
 	r.mu.Lock()
 	defer r.mu.Unlock()
 	if r.f == nil {
-		f, err := os.Open(r.name, os.O_RDONLY, 0)
+		f, err := os.Open(r.name)
 		if f == nil {
 			return 0, err
 		}
diff --git a/libgo/go/crypto/rsa/pkcs1v15.go b/libgo/go/crypto/rsa/pkcs1v15.go
index 2eaadee..9a71841 100644
--- a/libgo/go/crypto/rsa/pkcs1v15.go
+++ b/libgo/go/crypto/rsa/pkcs1v15.go
@@ -127,7 +127,7 @@ func nonZeroRandomBytes(s []byte, rand io.Reader) (err os.Error) {
 
 	for i := 0; i < len(s); i++ {
 		for s[i] == 0 {
-			_, err = rand.Read(s[i : i+1])
+			_, err = io.ReadFull(rand, s[i:i+1])
 			if err != nil {
 				return
 			}
diff --git a/libgo/go/crypto/rsa/rsa.go b/libgo/go/crypto/rsa/rsa.go
index faf9149..b3b212c 100644
--- a/libgo/go/crypto/rsa/rsa.go
+++ b/libgo/go/crypto/rsa/rsa.go
@@ -13,6 +13,7 @@ import (
 	"hash"
 	"io"
 	"os"
+	"sync"
 )
 
 var bigZero = big.NewInt(0)
@@ -91,15 +92,21 @@ type PublicKey struct {
 type PrivateKey struct {
 	PublicKey          // public part.
 	D         *big.Int // private exponent
-	P, Q      *big.Int // prime factors of N
+	P, Q, R   *big.Int // prime factors of N (R may be nil)
+
+	rwMutex    sync.RWMutex // protects the following
+	dP, dQ, dR *big.Int     // D mod (P-1) (or mod Q-1 etc) 
+	qInv       *big.Int     // q^-1 mod p
+	pq         *big.Int     // P*Q
+	tr         *big.Int     // pq·tr ≡ 1 mod r
 }
 
 // Validate performs basic sanity checks on the key.
 // It returns nil if the key is valid, or else an os.Error describing a problem.
 
-func (priv PrivateKey) Validate() os.Error {
-	// Check that p and q are prime. Note that this is just a sanity
-	// check. Since the random witnesses chosen by ProbablyPrime are
+func (priv *PrivateKey) Validate() os.Error {
+	// Check that p, q and, maybe, r are prime. Note that this is just a
+	// sanity check. Since the random witnesses chosen by ProbablyPrime are
 	// deterministic, given the candidate number, it's easy for an attack
 	// to generate composites that pass this test.
 	if !big.ProbablyPrime(priv.P, 20) {
@@ -108,16 +115,26 @@ func (priv PrivateKey) Validate() os.Error {
 	if !big.ProbablyPrime(priv.Q, 20) {
 		return os.ErrorString("Q is composite")
 	}
+	if priv.R != nil && !big.ProbablyPrime(priv.R, 20) {
+		return os.ErrorString("R is composite")
+	}
 
-	// Check that p*q == n.
+	// Check that p*q*r == n.
 	modulus := new(big.Int).Mul(priv.P, priv.Q)
+	if priv.R != nil {
+		modulus.Mul(modulus, priv.R)
+	}
 	if modulus.Cmp(priv.N) != 0 {
 		return os.ErrorString("invalid modulus")
 	}
-	// Check that e and totient(p, q) are coprime.
+	// Check that e and totient(p, q, r) are coprime.
 	pminus1 := new(big.Int).Sub(priv.P, bigOne)
 	qminus1 := new(big.Int).Sub(priv.Q, bigOne)
 	totient := new(big.Int).Mul(pminus1, qminus1)
+	if priv.R != nil {
+		rminus1 := new(big.Int).Sub(priv.R, bigOne)
+		totient.Mul(totient, rminus1)
+	}
 	e := big.NewInt(int64(priv.E))
 	gcd := new(big.Int)
 	x := new(big.Int)
@@ -126,7 +143,7 @@ func (priv PrivateKey) Validate() os.Error {
 	if gcd.Cmp(bigOne) != 0 {
 		return os.ErrorString("invalid public exponent E")
 	}
-	// Check that de ≡ 1 (mod totient(p, q))
+	// Check that de ≡ 1 (mod totient(p, q, r))
 	de := new(big.Int).Mul(priv.D, e)
 	de.Mod(de, totient)
 	if de.Cmp(bigOne) != 0 {
@@ -135,7 +152,7 @@ func (priv PrivateKey) Validate() os.Error {
 	return nil
 }
 
-// GenerateKeyPair generates an RSA keypair of the given bit size.
+// GenerateKey generates an RSA keypair of the given bit size.
 func GenerateKey(rand io.Reader, bits int) (priv *PrivateKey, err os.Error) {
 	priv = new(PrivateKey)
 	// Smaller public exponents lead to faster public key
@@ -191,6 +208,77 @@ func GenerateKey(rand io.Reader, bits int) (priv *PrivateKey, err os.Error) {
 	return
 }
 
+// Generate3PrimeKey generates a 3-prime RSA keypair of the given bit size, as
+// suggested in [1]. Although the public keys are compatible (actually,
+// indistinguishable) from the 2-prime case, the private keys are not. Thus it
+// may not be possible to export 3-prime private keys in certain formats or to
+// subsequently import them into other code.
+//
+// Table 1 in [2] suggests that size should be >= 1024 when using 3 primes.
+//
+// [1] US patent 4405829 (1972, expired)
+// [2] http://www.cacr.math.uwaterloo.ca/techreports/2006/cacr2006-16.pdf
+func Generate3PrimeKey(rand io.Reader, bits int) (priv *PrivateKey, err os.Error) {
+	priv = new(PrivateKey)
+	priv.E = 3
+
+	pminus1 := new(big.Int)
+	qminus1 := new(big.Int)
+	rminus1 := new(big.Int)
+	totient := new(big.Int)
+
+	for {
+		p, err := randomPrime(rand, bits/3)
+		if err != nil {
+			return nil, err
+		}
+
+		todo := bits - p.BitLen()
+		q, err := randomPrime(rand, todo/2)
+		if err != nil {
+			return nil, err
+		}
+
+		todo -= q.BitLen()
+		r, err := randomPrime(rand, todo)
+		if err != nil {
+			return nil, err
+		}
+
+		if p.Cmp(q) == 0 ||
+			q.Cmp(r) == 0 ||
+			r.Cmp(p) == 0 {
+			continue
+		}
+
+		n := new(big.Int).Mul(p, q)
+		n.Mul(n, r)
+		pminus1.Sub(p, bigOne)
+		qminus1.Sub(q, bigOne)
+		rminus1.Sub(r, bigOne)
+		totient.Mul(pminus1, qminus1)
+		totient.Mul(totient, rminus1)
+
+		g := new(big.Int)
+		priv.D = new(big.Int)
+		y := new(big.Int)
+		e := big.NewInt(int64(priv.E))
+		big.GcdInt(g, priv.D, y, e, totient)
+
+		if g.Cmp(bigOne) == 0 {
+			priv.D.Add(priv.D, totient)
+			priv.P = p
+			priv.Q = q
+			priv.R = r
+			priv.N = n
+
+			break
+		}
+	}
+
+	return
+}
+
 // incCounter increments a four byte, big-endian counter.
 func incCounter(c *[4]byte) {
 	if c[3]++; c[3] != 0 {
@@ -321,6 +409,26 @@ func modInverse(a, n *big.Int) (ia *big.Int, ok bool) {
 	return x, true
 }
 
+// precompute performs some calculations that speed up private key operations
+// in the future.
+func (priv *PrivateKey) precompute() {
+	priv.dP = new(big.Int).Sub(priv.P, bigOne)
+	priv.dP.Mod(priv.D, priv.dP)
+
+	priv.dQ = new(big.Int).Sub(priv.Q, bigOne)
+	priv.dQ.Mod(priv.D, priv.dQ)
+
+	priv.qInv = new(big.Int).ModInverse(priv.Q, priv.P)
+
+	if priv.R != nil {
+		priv.dR = new(big.Int).Sub(priv.R, bigOne)
+		priv.dR.Mod(priv.D, priv.dR)
+
+		priv.pq = new(big.Int).Mul(priv.P, priv.Q)
+		priv.tr = new(big.Int).ModInverse(priv.pq, priv.R)
+	}
+}
+
 // decrypt performs an RSA decryption, resulting in a plaintext integer. If a
 // random source is given, RSA blinding is used.
 func decrypt(rand io.Reader, priv *PrivateKey, c *big.Int) (m *big.Int, err os.Error) {
@@ -359,7 +467,48 @@ func decrypt(rand io.Reader, priv *PrivateKey, c *big.Int) (m *big.Int, err os.E
 		c.Mod(c, priv.N)
 	}
 
-	m = new(big.Int).Exp(c, priv.D, priv.N)
+	priv.rwMutex.RLock()
+
+	if priv.dP == nil && priv.P != nil {
+		priv.rwMutex.RUnlock()
+		priv.rwMutex.Lock()
+		if priv.dP == nil && priv.P != nil {
+			priv.precompute()
+		}
+		priv.rwMutex.Unlock()
+		priv.rwMutex.RLock()
+	}
+
+	if priv.dP == nil {
+		m = new(big.Int).Exp(c, priv.D, priv.N)
+	} else {
+		// We have the precalculated values needed for the CRT.
+		m = new(big.Int).Exp(c, priv.dP, priv.P)
+		m2 := new(big.Int).Exp(c, priv.dQ, priv.Q)
+		m.Sub(m, m2)
+		if m.Sign() < 0 {
+			m.Add(m, priv.P)
+		}
+		m.Mul(m, priv.qInv)
+		m.Mod(m, priv.P)
+		m.Mul(m, priv.Q)
+		m.Add(m, m2)
+
+		if priv.dR != nil {
+			// 3-prime CRT.
+			m2.Exp(c, priv.dR, priv.R)
+			m2.Sub(m2, m)
+			m2.Mul(m2, priv.tr)
+			m2.Mod(m2, priv.R)
+			if m2.Sign() < 0 {
+				m2.Add(m2, priv.R)
+			}
+			m2.Mul(m2, priv.pq)
+			m.Add(m, m2)
+		}
+	}
+
+	priv.rwMutex.RUnlock()
 
 	if ir != nil {
 		// Unblind.
diff --git a/libgo/go/crypto/rsa/rsa_test.go b/libgo/go/crypto/rsa/rsa_test.go
index bf7c051..d8a936e 100644
--- a/libgo/go/crypto/rsa/rsa_test.go
+++ b/libgo/go/crypto/rsa/rsa_test.go
@@ -13,28 +13,48 @@ import (
 )
 
 func TestKeyGeneration(t *testing.T) {
-	random := rand.Reader
-
 	size := 1024
 	if testing.Short() {
 		size = 128
 	}
-	priv, err := GenerateKey(random, size)
+	priv, err := GenerateKey(rand.Reader, size)
+	if err != nil {
+		t.Errorf("failed to generate key")
+	}
+	testKeyBasics(t, priv)
+}
+
+func Test3PrimeKeyGeneration(t *testing.T) {
+	if testing.Short() {
+		return
+	}
+
+	size := 768
+	priv, err := Generate3PrimeKey(rand.Reader, size)
 	if err != nil {
 		t.Errorf("failed to generate key")
 	}
+	testKeyBasics(t, priv)
+}
+
+func testKeyBasics(t *testing.T, priv *PrivateKey) {
+	if err := priv.Validate(); err != nil {
+		t.Errorf("Validate() failed: %s", err)
+	}
+
 	pub := &priv.PublicKey
 	m := big.NewInt(42)
 	c := encrypt(new(big.Int), pub, m)
 	m2, err := decrypt(nil, priv, c)
 	if err != nil {
 		t.Errorf("error while decrypting: %s", err)
+		return
 	}
 	if m.Cmp(m2) != 0 {
-		t.Errorf("got:%v, want:%v (%s)", m2, m, priv)
+		t.Errorf("got:%v, want:%v (%+v)", m2, m, priv)
 	}
 
-	m3, err := decrypt(random, priv, c)
+	m3, err := decrypt(rand.Reader, priv, c)
 	if err != nil {
 		t.Errorf("error while decrypting (blind): %s", err)
 	}
@@ -43,6 +63,57 @@ func TestKeyGeneration(t *testing.T) {
 	}
 }
 
+func fromBase10(base10 string) *big.Int {
+	i := new(big.Int)
+	i.SetString(base10, 10)
+	return i
+}
+
+func BenchmarkRSA2048Decrypt(b *testing.B) {
+	b.StopTimer()
+	priv := &PrivateKey{
+		PublicKey: PublicKey{
+			N: fromBase10("14314132931241006650998084889274020608918049032671858325988396851334124245188214251956198731333464217832226406088020736932173064754214329009979944037640912127943488972644697423190955557435910767690712778463524983667852819010259499695177313115447116110358524558307947613422897787329221478860907963827160223559690523660574329011927531289655711860504630573766609239332569210831325633840174683944553667352219670930408593321661375473885147973879086994006440025257225431977751512374815915392249179976902953721486040787792801849818254465486633791826766873076617116727073077821584676715609985777563958286637185868165868520557"),
+			E: 3,
+		},
+		D: fromBase10("9542755287494004433998723259516013739278699355114572217325597900889416163458809501304132487555642811888150937392013824621448709836142886006653296025093941418628992648429798282127303704957273845127141852309016655778568546006839666463451542076964744073572349705538631742281931858219480985907271975884773482372966847639853897890615456605598071088189838676728836833012254065983259638538107719766738032720239892094196108713378822882383694456030043492571063441943847195939549773271694647657549658603365629458610273821292232646334717612674519997533901052790334279661754176490593041941863932308687197618671528035670452762731"),
+		P: fromBase10("130903255182996722426771613606077755295583329135067340152947172868415809027537376306193179624298874215608270802054347609836776473930072411958753044562214537013874103802006369634761074377213995983876788718033850153719421695468704276694983032644416930879093914927146648402139231293035971427838068945045019075433"),
+		Q: fromBase10("109348945610485453577574767652527472924289229538286649661240938988020367005475727988253438647560958573506159449538793540472829815903949343191091817779240101054552748665267574271163617694640513549693841337820602726596756351006149518830932261246698766355347898158548465400674856021497190430791824869615170301029"),
+	}
+	priv.precompute()
+
+	c := fromBase10("1000")
+
+	b.StartTimer()
+
+	for i := 0; i < b.N; i++ {
+		decrypt(nil, priv, c)
+	}
+}
+
+func Benchmark3PrimeRSA2048Decrypt(b *testing.B) {
+	b.StopTimer()
+	priv := &PrivateKey{
+		PublicKey: PublicKey{
+			N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
+			E: 3,
+		},
+		D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
+		P: fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
+		Q: fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
+		R: fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
+	}
+	priv.precompute()
+
+	c := fromBase10("1000")
+
+	b.StartTimer()
+
+	for i := 0; i < b.N; i++ {
+		decrypt(nil, priv, c)
+	}
+}
+
 type testEncryptOAEPMessage struct {
 	in   []byte
 	seed []byte
@@ -85,10 +156,12 @@ func TestDecryptOAEP(t *testing.T) {
 	for i, test := range testEncryptOAEPData {
 		n.SetString(test.modulus, 16)
 		d.SetString(test.d, 16)
-		private := PrivateKey{PublicKey{n, test.e}, d, nil, nil}
+		private := new(PrivateKey)
+		private.PublicKey = PublicKey{n, test.e}
+		private.D = d
 
 		for j, message := range test.msgs {
-			out, err := DecryptOAEP(sha1, nil, &private, message.out, nil)
+			out, err := DecryptOAEP(sha1, nil, private, message.out, nil)
 			if err != nil {
 				t.Errorf("#%d,%d error: %s", i, j, err)
 			} else if bytes.Compare(out, message.in) != 0 {
@@ -96,7 +169,7 @@ func TestDecryptOAEP(t *testing.T) {
 			}
 
 			// Decrypt with blinding.
-			out, err = DecryptOAEP(sha1, random, &private, message.out, nil)
+			out, err = DecryptOAEP(sha1, random, private, message.out, nil)
 			if err != nil {
 				t.Errorf("#%d,%d (blind) error: %s", i, j, err)
 			} else if bytes.Compare(out, message.in) != 0 {
diff --git a/libgo/go/crypto/tls/generate_cert.go b/libgo/go/crypto/tls/generate_cert.go
index ee77f94..5b8c700 100644
--- a/libgo/go/crypto/tls/generate_cert.go
+++ b/libgo/go/crypto/tls/generate_cert.go
@@ -50,7 +50,7 @@ func main() {
 		return
 	}
 
-	certOut, err := os.Open("cert.pem", os.O_WRONLY|os.O_CREAT, 0644)
+	certOut, err := os.Create("cert.pem")
 	if err != nil {
 		log.Fatalf("failed to open cert.pem for writing: %s", err)
 		return
@@ -59,7 +59,7 @@ func main() {
 	certOut.Close()
 	log.Print("written cert.pem\n")
 
-	keyOut, err := os.Open("key.pem", os.O_WRONLY|os.O_CREAT, 0600)
+	keyOut, err := os.OpenFile("key.pem", os.O_WRONLY|os.O_CREAT|os.O_TRUNC, 0600)
 	if err != nil {
 		log.Print("failed to open key.pem for writing:", err)
 		return
diff --git a/libgo/go/crypto/tls/tls.go b/libgo/go/crypto/tls/tls.go
index f66449c..7de44bb 100644
--- a/libgo/go/crypto/tls/tls.go
+++ b/libgo/go/crypto/tls/tls.go
@@ -124,7 +124,16 @@ func LoadX509KeyPair(certFile string, keyFile string) (cert Certificate, err os.
 	if err != nil {
 		return
 	}
+	keyPEMBlock, err := ioutil.ReadFile(keyFile)
+	if err != nil {
+		return
+	}
+	return X509KeyPair(certPEMBlock, keyPEMBlock)
+}
 
+// X509KeyPair parses a public/private key pair from a pair of
+// PEM encoded data.
+func X509KeyPair(certPEMBlock, keyPEMBlock []byte) (cert Certificate, err os.Error) {
 	var certDERBlock *pem.Block
 	for {
 		certDERBlock, certPEMBlock = pem.Decode(certPEMBlock)
@@ -141,11 +150,6 @@ func LoadX509KeyPair(certFile string, keyFile string) (cert Certificate, err os.
 		return
 	}
 
-	keyPEMBlock, err := ioutil.ReadFile(keyFile)
-	if err != nil {
-		return
-	}
-
 	keyDERBlock, _ := pem.Decode(keyPEMBlock)
 	if keyDERBlock == nil {
 		err = os.ErrorString("crypto/tls: failed to parse key PEM data")
diff --git a/libgo/go/crypto/x509/x509.go b/libgo/go/crypto/x509/x509.go
index 853bcde..6825030 100644
--- a/libgo/go/crypto/x509/x509.go
+++ b/libgo/go/crypto/x509/x509.go
@@ -54,20 +54,21 @@ func ParsePKCS1PrivateKey(der []byte) (key *rsa.PrivateKey, err os.Error) {
 		return
 	}
 
-	key = &rsa.PrivateKey{
-		PublicKey: rsa.PublicKey{
-			E: priv.E,
-			N: new(big.Int).SetBytes(priv.N.Bytes),
-		},
-		D: new(big.Int).SetBytes(priv.D.Bytes),
-		P: new(big.Int).SetBytes(priv.P.Bytes),
-		Q: new(big.Int).SetBytes(priv.Q.Bytes),
+	key = new(rsa.PrivateKey)
+	key.PublicKey = rsa.PublicKey{
+		E: priv.E,
+		N: new(big.Int).SetBytes(priv.N.Bytes),
 	}
 
+	key.D = new(big.Int).SetBytes(priv.D.Bytes)
+	key.P = new(big.Int).SetBytes(priv.P.Bytes)
+	key.Q = new(big.Int).SetBytes(priv.Q.Bytes)
+
 	err = key.Validate()
 	if err != nil {
 		return nil, err
 	}
+
 	return
 }
 
diff --git a/libgo/go/crypto/x509/x509_test.go b/libgo/go/crypto/x509/x509_test.go
index 57889e7..d9511b8 100644
--- a/libgo/go/crypto/x509/x509_test.go
+++ b/libgo/go/crypto/x509/x509_test.go
@@ -11,7 +11,6 @@ import (
 	"crypto/rsa"
 	"encoding/hex"
 	"encoding/pem"
-	"reflect"
 	"testing"
 	"time"
 )
@@ -22,7 +21,11 @@ func TestParsePKCS1PrivateKey(t *testing.T) {
 	if err != nil {
 		t.Errorf("Failed to parse private key: %s", err)
 	}
-	if !reflect.DeepEqual(priv, rsaPrivateKey) {
+	if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
+		priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
+		priv.D.Cmp(rsaPrivateKey.D) != 0 ||
+		priv.P.Cmp(rsaPrivateKey.P) != 0 ||
+		priv.Q.Cmp(rsaPrivateKey.Q) != 0 {
 		t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
 	}
 }
diff --git a/libgo/go/debug/elf/file.go b/libgo/go/debug/elf/file.go
index e69317a..6fdcda6 100644
--- a/libgo/go/debug/elf/file.go
+++ b/libgo/go/debug/elf/file.go
@@ -144,7 +144,7 @@ func (e *FormatError) String() string {
 
 // Open opens the named file using os.Open and prepares it for use as an ELF binary.
 func Open(name string) (*File, os.Error) {
-	f, err := os.Open(name, os.O_RDONLY, 0)
+	f, err := os.Open(name)
 	if err != nil {
 		return nil, err
 	}
@@ -228,7 +228,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 	switch f.Class {
 	case ELFCLASS32:
 		hdr := new(Header32)
-		sr.Seek(0, 0)
+		sr.Seek(0, os.SEEK_SET)
 		if err := binary.Read(sr, f.ByteOrder, hdr); err != nil {
 			return nil, err
 		}
@@ -243,7 +243,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 		shstrndx = int(hdr.Shstrndx)
 	case ELFCLASS64:
 		hdr := new(Header64)
-		sr.Seek(0, 0)
+		sr.Seek(0, os.SEEK_SET)
 		if err := binary.Read(sr, f.ByteOrder, hdr); err != nil {
 			return nil, err
 		}
@@ -269,7 +269,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 	names := make([]uint32, shnum)
 	for i := 0; i < shnum; i++ {
 		off := shoff + int64(i)*int64(shentsize)
-		sr.Seek(off, 0)
+		sr.Seek(off, os.SEEK_SET)
 		s := new(Section)
 		switch f.Class {
 		case ELFCLASS32:
diff --git a/libgo/go/debug/macho/file.go b/libgo/go/debug/macho/file.go
index fd8da94..a777d87 100644
--- a/libgo/go/debug/macho/file.go
+++ b/libgo/go/debug/macho/file.go
@@ -159,7 +159,7 @@ func (e *FormatError) String() string {
 
 // Open opens the named file using os.Open and prepares it for use as a Mach-O binary.
 func Open(name string) (*File, os.Error) {
-	f, err := os.Open(name, os.O_RDONLY, 0)
+	f, err := os.Open(name)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libgo/go/debug/pe/file.go b/libgo/go/debug/pe/file.go
index 1bcbdc5..6a14e50 100644
--- a/libgo/go/debug/pe/file.go
+++ b/libgo/go/debug/pe/file.go
@@ -87,7 +87,7 @@ func (e *FormatError) String() string {
 
 // Open opens the named file using os.Open and prepares it for use as a PE binary.
 func Open(name string) (*File, os.Error) {
-	f, err := os.Open(name, os.O_RDONLY, 0)
+	f, err := os.Open(name)
 	if err != nil {
 		return nil, err
 	}
@@ -132,7 +132,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 	} else {
 		base = int64(0)
 	}
-	sr.Seek(base, 0)
+	sr.Seek(base, os.SEEK_SET)
 	if err := binary.Read(sr, binary.LittleEndian, &f.FileHeader); err != nil {
 		return nil, err
 	}
@@ -140,7 +140,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 		return nil, os.NewError("Invalid PE File Format.")
 	}
 	// get symbol string table
-	sr.Seek(int64(f.FileHeader.PointerToSymbolTable+18*f.FileHeader.NumberOfSymbols), 0)
+	sr.Seek(int64(f.FileHeader.PointerToSymbolTable+18*f.FileHeader.NumberOfSymbols), os.SEEK_SET)
 	var l uint32
 	if err := binary.Read(sr, binary.LittleEndian, &l); err != nil {
 		return nil, err
@@ -149,9 +149,9 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 	if _, err := r.ReadAt(ss, int64(f.FileHeader.PointerToSymbolTable+18*f.FileHeader.NumberOfSymbols)); err != nil {
 		return nil, err
 	}
-	sr.Seek(base, 0)
+	sr.Seek(base, os.SEEK_SET)
 	binary.Read(sr, binary.LittleEndian, &f.FileHeader)
-	sr.Seek(int64(f.FileHeader.SizeOfOptionalHeader), 1) //Skip OptionalHeader
+	sr.Seek(int64(f.FileHeader.SizeOfOptionalHeader), os.SEEK_CUR) //Skip OptionalHeader
 	f.Sections = make([]*Section, f.FileHeader.NumberOfSections)
 	for i := 0; i < int(f.FileHeader.NumberOfSections); i++ {
 		sh := new(SectionHeader32)
diff --git a/libgo/go/debug/proc/proc_linux.go b/libgo/go/debug/proc/proc_linux.go
index 6890a22..17c8fa5 100644
--- a/libgo/go/debug/proc/proc_linux.go
+++ b/libgo/go/debug/proc/proc_linux.go
@@ -1184,7 +1184,7 @@ func (p *process) attachThread(tid int) (*thread, os.Error) {
 // attachAllThreads attaches to all threads in a process.
 func (p *process) attachAllThreads() os.Error {
 	taskPath := "/proc/" + strconv.Itoa(p.pid) + "/task"
-	taskDir, err := os.Open(taskPath, os.O_RDONLY, 0)
+	taskDir, err := os.Open(taskPath)
 	if err != nil {
 		return err
 	}
diff --git a/libgo/go/exec/exec.go b/libgo/go/exec/exec.go
index 44e3b65..5398eb8 100644
--- a/libgo/go/exec/exec.go
+++ b/libgo/go/exec/exec.go
@@ -2,9 +2,13 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// The exec package runs external commands.
+// The exec package runs external commands. It wraps os.StartProcess
+// to make it easier to remap stdin and stdout, connect I/O with pipes,
+// and do other adjustments.
 package exec
 
+// BUG(r): This package should be made even easier to use or merged into os.
+
 import (
 	"os"
 	"strconv"
@@ -49,7 +53,7 @@ func modeToFiles(mode, fd int) (*os.File, *os.File, os.Error) {
 		if fd == 0 {
 			rw = os.O_RDONLY
 		}
-		f, err := os.Open(os.DevNull, rw, 0)
+		f, err := os.OpenFile(os.DevNull, rw, 0)
 		return f, nil, err
 	case PassThrough:
 		switch fd {
diff --git a/libgo/go/exp/draw/x11/auth.go b/libgo/go/exp/draw/x11/auth.go
index 896dedf0..d48936a 100644
--- a/libgo/go/exp/draw/x11/auth.go
+++ b/libgo/go/exp/draw/x11/auth.go
@@ -53,7 +53,7 @@ func readAuth(displayStr string) (name, data string, err os.Error) {
 		}
 		fn = home + "/.Xauthority"
 	}
-	r, err := os.Open(fn, os.O_RDONLY, 0444)
+	r, err := os.Open(fn)
 	if err != nil {
 		return
 	}
diff --git a/libgo/go/exp/ogle/cmd.go b/libgo/go/exp/ogle/cmd.go
index ba056e8..813d3a8 100644
--- a/libgo/go/exp/ogle/cmd.go
+++ b/libgo/go/exp/ogle/cmd.go
@@ -170,7 +170,7 @@ func cmdLoad(args []byte) os.Error {
 	}
 
 	// Get symbols
-	f, err := os.Open(fname, os.O_RDONLY, 0)
+	f, err := os.Open(fname)
 	if err != nil {
 		tproc.Detach()
 		return err
diff --git a/libgo/go/fmt/fmt_test.go b/libgo/go/fmt/fmt_test.go
index 4d308ac..3766c838 100644
--- a/libgo/go/fmt/fmt_test.go
+++ b/libgo/go/fmt/fmt_test.go
@@ -139,7 +139,17 @@ var fmttests = []struct {
 	{"%5s", "abc", "  abc"},
 	{"%2s", "\u263a", " \u263a"},
 	{"%-5s", "abc", "abc  "},
+	{"%-8q", "abc", `"abc"   `},
 	{"%05s", "abc", "00abc"},
+	{"%08q", "abc", `000"abc"`},
+	{"%5s", "abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz"},
+	{"%.5s", "abcdefghijklmnopqrstuvwxyz", "abcde"},
+	{"%.5s", "日本語日本語", "日本語日本"},
+	{"%.5s", []byte("日本語日本語"), "日本語日本"},
+	{"%.5q", "abcdefghijklmnopqrstuvwxyz", `"abcde"`},
+	{"%.3q", "日本語日本語", `"\u65e5\u672c\u8a9e"`},
+	{"%.3q", []byte("日本語日本語"), `"\u65e5\u672c\u8a9e"`},
+	{"%10.1q", "日本語日本語", `  "\u65e5"`},
 
 	// integers
 	{"%d", 12345, "12345"},
diff --git a/libgo/go/fmt/format.go b/libgo/go/fmt/format.go
index caaa7ac..f9d2b4f 100644
--- a/libgo/go/fmt/format.go
+++ b/libgo/go/fmt/format.go
@@ -235,13 +235,24 @@ func (f *fmt) integer(a int64, base uint64, signedness bool, digits string) {
 	f.pad(buf[i:])
 }
 
-// fmt_s formats a string.
-func (f *fmt) fmt_s(s string) {
-	if f.precPresent {
-		if f.prec < len(s) {
-			s = s[0:f.prec]
+// truncate truncates the string to the specified precision, if present.
+func (f *fmt) truncate(s string) string {
+	if f.precPresent && f.prec < utf8.RuneCountInString(s) {
+		n := f.prec
+		for i := range s {
+			if n == 0 {
+				s = s[:i]
+				break
+			}
+			n--
 		}
 	}
+	return s
+}
+
+// fmt_s formats a string.
+func (f *fmt) fmt_s(s string) {
+	s = f.truncate(s)
 	f.padString(s)
 }
 
@@ -275,6 +286,7 @@ func (f *fmt) fmt_sX(s string) {
 
 // fmt_q formats a string as a double-quoted, escaped Go string constant.
 func (f *fmt) fmt_q(s string) {
+	s = f.truncate(s)
 	var quoted string
 	if f.sharp && strconv.CanBackquote(s) {
 		quoted = "`" + s + "`"
diff --git a/libgo/go/fmt/print.go b/libgo/go/fmt/print.go
index 4e14fda..4b68051 100644
--- a/libgo/go/fmt/print.go
+++ b/libgo/go/fmt/print.go
@@ -520,12 +520,14 @@ func (p *pp) fmtBytes(v []byte, verb int, goSyntax bool, depth int, value interf
 }
 
 func (p *pp) fmtPointer(field interface{}, value reflect.Value, verb int, goSyntax bool) {
-	v, ok := value.(uintptrGetter)
-	if !ok { // reflect.PtrValue is a uintptrGetter, so failure means it's not a pointer at all.
+	var u uintptr
+	switch value.(type) {
+	case *reflect.ChanValue, *reflect.FuncValue, *reflect.MapValue, *reflect.PtrValue, *reflect.SliceValue, *reflect.UnsafePointerValue:
+		u = value.(uintptrGetter).Get()
+	default:
 		p.badVerb(verb, field)
 		return
 	}
-	u := v.Get()
 	if goSyntax {
 		p.add('(')
 		p.buf.WriteString(reflect.Typeof(field).String())
@@ -534,7 +536,7 @@ func (p *pp) fmtPointer(field interface{}, value reflect.Value, verb int, goSynt
 		if u == 0 {
 			p.buf.Write(nilBytes)
 		} else {
-			p.fmt0x64(uint64(v.Get()), true)
+			p.fmt0x64(uint64(u), true)
 		}
 		p.add(')')
 	} else {
@@ -811,7 +813,7 @@ BigSwitch:
 			break
 		}
 		p.fmt0x64(uint64(v), true)
-	case uintptrGetter:
+	case *reflect.ChanValue, *reflect.FuncValue, *reflect.UnsafePointerValue:
 		p.fmtPointer(field, value, verb, goSyntax)
 	default:
 		p.unknownType(f)
diff --git a/libgo/go/go/parser/interface.go b/libgo/go/go/parser/interface.go
index fc4ae09..b4780e0 100644
--- a/libgo/go/go/parser/interface.go
+++ b/libgo/go/go/parser/interface.go
@@ -183,7 +183,7 @@ func ParseFiles(fset *token.FileSet, filenames []string, mode uint) (pkgs map[st
 // error are returned.
 //
 func ParseDir(fset *token.FileSet, path string, filter func(*os.FileInfo) bool, mode uint) (map[string]*ast.Package, os.Error) {
-	fd, err := os.Open(path, os.O_RDONLY, 0)
+	fd, err := os.Open(path)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libgo/go/go/parser/parser.go b/libgo/go/go/parser/parser.go
index ad7e4cd..84a0da6 100644
--- a/libgo/go/go/parser/parser.go
+++ b/libgo/go/go/parser/parser.go
@@ -332,7 +332,7 @@ func (p *parser) next() {
 		var endline int
 
 		if p.file.Line(p.pos) == line {
-			// The comment is on same line as previous token; it
+			// The comment is on same line as the previous token; it
 			// cannot be a lead comment but may be a line comment.
 			comment, endline = p.consumeCommentGroup()
 			if p.file.Line(p.pos) != endline {
@@ -2016,16 +2016,18 @@ func parseTypeSpec(p *parser, doc *ast.CommentGroup, _ int) ast.Spec {
 	}
 
 	ident := p.parseIdent()
-	typ := p.parseType()
-	p.expectSemi() // call before accessing p.linecomment
 
 	// Go spec: The scope of a type identifier declared inside a function begins
 	// at the identifier in the TypeSpec and ends at the end of the innermost
 	// containing block.
 	// (Global identifiers are resolved in a separate phase after parsing.)
-	spec := &ast.TypeSpec{doc, ident, typ, p.lineComment}
+	spec := &ast.TypeSpec{doc, ident, nil, nil}
 	p.declare(spec, p.topScope, ast.Typ, ident)
 
+	spec.Type = p.parseType()
+	p.expectSemi() // call before accessing p.linecomment
+	spec.Comment = p.lineComment
+
 	return spec
 }
 
@@ -2207,6 +2209,9 @@ func (p *parser) parseFile() *ast.File {
 	// Go spec: The package clause is not a declaration;
 	// the package name does not appear in any scope.
 	ident := p.parseIdent()
+	if ident.Name == "_" {
+		p.error(p.pos, "invalid package name _")
+	}
 	p.expectSemi()
 
 	var decls []ast.Decl
diff --git a/libgo/go/html/parse_test.go b/libgo/go/html/parse_test.go
index d153533..fe95543 100644
--- a/libgo/go/html/parse_test.go
+++ b/libgo/go/html/parse_test.go
@@ -28,7 +28,7 @@ func pipeErr(err os.Error) io.Reader {
 }
 
 func readDat(filename string, c chan io.Reader) {
-	f, err := os.Open("testdata/webkit/"+filename, os.O_RDONLY, 0600)
+	f, err := os.Open("testdata/webkit/" + filename)
 	if err != nil {
 		c <- pipeErr(err)
 		return
diff --git a/libgo/go/http/fs.go b/libgo/go/http/fs.go
index 8b5c477..c5efffc 100644
--- a/libgo/go/http/fs.go
+++ b/libgo/go/http/fs.go
@@ -72,7 +72,7 @@ func serveFile(w ResponseWriter, r *Request, name string, redirect bool) {
 		return
 	}
 
-	f, err := os.Open(name, os.O_RDONLY, 0)
+	f, err := os.Open(name)
 	if err != nil {
 		// TODO expose actual error?
 		NotFound(w, r)
@@ -113,7 +113,7 @@ func serveFile(w ResponseWriter, r *Request, name string, redirect bool) {
 	// use contents of index.html for directory, if present
 	if d.IsDirectory() {
 		index := name + filepath.FromSlash(indexPage)
-		ff, err := os.Open(index, os.O_RDONLY, 0)
+		ff, err := os.Open(index)
 		if err == nil {
 			defer ff.Close()
 			dd, err := ff.Stat()
@@ -134,21 +134,23 @@ func serveFile(w ResponseWriter, r *Request, name string, redirect bool) {
 	size := d.Size
 	code := StatusOK
 
-	// use extension to find content type.
-	ext := filepath.Ext(name)
-	if ctype := mime.TypeByExtension(ext); ctype != "" {
-		w.Header().Set("Content-Type", ctype)
-	} else {
-		// read first chunk to decide between utf-8 text and binary
-		var buf [1024]byte
-		n, _ := io.ReadFull(f, buf[:])
-		b := buf[:n]
-		if isText(b) {
-			w.Header().Set("Content-Type", "text-plain; charset=utf-8")
-		} else {
-			w.Header().Set("Content-Type", "application/octet-stream") // generic binary
+	// If Content-Type isn't set, use the file's extension to find it.
+	if w.Header().Get("Content-Type") == "" {
+		ctype := mime.TypeByExtension(filepath.Ext(name))
+		if ctype == "" {
+			// read a chunk to decide between utf-8 text and binary
+			var buf [1024]byte
+			n, _ := io.ReadFull(f, buf[:])
+			b := buf[:n]
+			if isText(b) {
+				ctype = "text-plain; charset=utf-8"
+			} else {
+				// generic binary
+				ctype = "application/octet-stream"
+			}
+			f.Seek(0, os.SEEK_SET) // rewind to output whole file
 		}
-		f.Seek(0, 0) // rewind to output whole file
+		w.Header().Set("Content-Type", ctype)
 	}
 
 	// handle Content-Range header.
@@ -163,7 +165,7 @@ func serveFile(w ResponseWriter, r *Request, name string, redirect bool) {
 	}
 	if len(ranges) == 1 {
 		ra := ranges[0]
-		if _, err := f.Seek(ra.start, 0); err != nil {
+		if _, err := f.Seek(ra.start, os.SEEK_SET); err != nil {
 			Error(w, err.String(), StatusRequestedRangeNotSatisfiable)
 			return
 		}
diff --git a/libgo/go/http/fs_test.go b/libgo/go/http/fs_test.go
index a89c76d..692b986 100644
--- a/libgo/go/http/fs_test.go
+++ b/libgo/go/http/fs_test.go
@@ -85,6 +85,30 @@ func TestServeFile(t *testing.T) {
 	}
 }
 
+func TestServeFileContentType(t *testing.T) {
+	const ctype = "icecream/chocolate"
+	override := false
+	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+		if override {
+			w.Header().Set("Content-Type", ctype)
+		}
+		ServeFile(w, r, "testdata/file")
+	}))
+	defer ts.Close()
+	get := func(want string) {
+		resp, _, err := Get(ts.URL)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if h := resp.Header.Get("Content-Type"); h != want {
+			t.Errorf("Content-Type mismatch: got %q, want %q", h, want)
+		}
+	}
+	get("text-plain; charset=utf-8")
+	override = true
+	get(ctype)
+}
+
 func getBody(t *testing.T, req Request) (*Response, []byte) {
 	r, err := DefaultClient.Do(&req)
 	if err != nil {
diff --git a/libgo/go/http/httptest/server.go b/libgo/go/http/httptest/server.go
index 6e825a8..8e385d0 100644
--- a/libgo/go/http/httptest/server.go
+++ b/libgo/go/http/httptest/server.go
@@ -7,10 +7,13 @@
 package httptest
 
 import (
+	"crypto/rand"
+	"crypto/tls"
 	"fmt"
 	"http"
-	"os"
 	"net"
+	"os"
+	"time"
 )
 
 // A Server is an HTTP server listening on a system-chosen port on the
@@ -18,6 +21,7 @@ import (
 type Server struct {
 	URL      string // base URL of form http://ipaddr:port with no trailing slash
 	Listener net.Listener
+	TLS      *tls.Config // nil if not using using TLS
 }
 
 // historyListener keeps track of all connections that it's ever
@@ -35,16 +39,21 @@ func (hs *historyListener) Accept() (c net.Conn, err os.Error) {
 	return
 }
 
-// NewServer starts and returns a new Server.
-// The caller should call Close when finished, to shut it down.
-func NewServer(handler http.Handler) *Server {
-	ts := new(Server)
+func newLocalListener() net.Listener {
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		if l, err = net.Listen("tcp6", "[::1]:0"); err != nil {
 			panic(fmt.Sprintf("httptest: failed to listen on a port: %v", err))
 		}
 	}
+	return l
+}
+
+// NewServer starts and returns a new Server.
+// The caller should call Close when finished, to shut it down.
+func NewServer(handler http.Handler) *Server {
+	ts := new(Server)
+	l := newLocalListener()
 	ts.Listener = &historyListener{l, make([]net.Conn, 0)}
 	ts.URL = "http://" + l.Addr().String()
 	server := &http.Server{Handler: handler}
@@ -52,6 +61,32 @@ func NewServer(handler http.Handler) *Server {
 	return ts
 }
 
+// NewTLSServer starts and returns a new Server using TLS.
+// The caller should call Close when finished, to shut it down.
+func NewTLSServer(handler http.Handler) *Server {
+	l := newLocalListener()
+	ts := new(Server)
+
+	cert, err := tls.X509KeyPair(localhostCert, localhostKey)
+	if err != nil {
+		panic(fmt.Sprintf("httptest: NewTLSServer: %v", err))
+	}
+
+	ts.TLS = &tls.Config{
+		Rand:         rand.Reader,
+		Time:         time.Seconds,
+		NextProtos:   []string{"http/1.1"},
+		Certificates: []tls.Certificate{cert},
+	}
+	tlsListener := tls.NewListener(l, ts.TLS)
+
+	ts.Listener = &historyListener{tlsListener, make([]net.Conn, 0)}
+	ts.URL = "https://" + l.Addr().String()
+	server := &http.Server{Handler: handler}
+	go server.Serve(ts.Listener)
+	return ts
+}
+
 // Close shuts down the server.
 func (s *Server) Close() {
 	s.Listener.Close()
@@ -68,3 +103,34 @@ func (s *Server) CloseClientConnections() {
 		conn.Close()
 	}
 }
+
+// localhostCert is a PEM-encoded TLS cert with SAN DNS names
+// "127.0.0.1" and "[::1]", expiring at the last second of 2049 (the end
+// of ASN.1 time).
+var localhostCert = []byte(`-----BEGIN CERTIFICATE-----
+MIIBwTCCASugAwIBAgIBADALBgkqhkiG9w0BAQUwADAeFw0xMTAzMzEyMDI1MDda
+Fw00OTEyMzEyMzU5NTlaMAAwggCdMAsGCSqGSIb3DQEBAQOCAIwAMIIAhwKCAIB6
+oy4iT42G6qk+GGn5VL5JlnJT6ZG5cqaMNFaNGlIxNb6CPUZLKq2sM3gRaimsktIw
+nNAcNwQGHpe1tZo+J/Pl04JTt71Y/TTAxy7OX27aZf1Rpt0SjdZ7vTPnFDPNsHGe
+KBKvPt55l2+YKjkZmV7eRevsVbpkNvNGB+T5d4Ge/wIBA6NPME0wDgYDVR0PAQH/
+BAQDAgCgMA0GA1UdDgQGBAQBAgMEMA8GA1UdIwQIMAaABAECAwQwGwYDVR0RBBQw
+EoIJMTI3LjAuMC4xggVbOjoxXTALBgkqhkiG9w0BAQUDggCBAHC3gbdvc44vs+wD
+g2kONiENnx8WKc0UTGg/TOXS3gaRb+CUIQtHWja65l8rAfclEovjHgZ7gx8brO0W
+JuC6p3MUAKsgOssIrrRIx2rpnfcmFVMzguCmrMNVmKUAalw18Yp0F72xYAIitVQl
+kJrLdIhBajcJRYu/YGltHQRaXuVt
+-----END CERTIFICATE-----
+`)
+
+// localhostKey is the private key for localhostCert.
+var localhostKey = []byte(`-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+`)
diff --git a/libgo/go/http/response_test.go b/libgo/go/http/response_test.go
index bf63ccb..ef67fdd 100644
--- a/libgo/go/http/response_test.go
+++ b/libgo/go/http/response_test.go
@@ -164,6 +164,28 @@ var respTests = []respTest{
 		"Body here\n",
 	},
 
+	// Chunked response in response to a HEAD request (the "chunked" should
+	// be ignored, as HEAD responses never have bodies)
+	{
+		"HTTP/1.0 200 OK\r\n" +
+			"Transfer-Encoding: chunked\r\n" +
+			"\r\n",
+
+		Response{
+			Status:        "200 OK",
+			StatusCode:    200,
+			Proto:         "HTTP/1.0",
+			ProtoMajor:    1,
+			ProtoMinor:    0,
+			RequestMethod: "HEAD",
+			Header:        Header{},
+			Close:         true,
+			ContentLength: 0,
+		},
+
+		"",
+	},
+
 	// Status line without a Reason-Phrase, but trailing space.
 	// (permitted by RFC 2616)
 	{
diff --git a/libgo/go/http/serve_test.go b/libgo/go/http/serve_test.go
index b0e26e5..cf88955 100644
--- a/libgo/go/http/serve_test.go
+++ b/libgo/go/http/serve_test.go
@@ -507,3 +507,30 @@ func TestHeadResponses(t *testing.T) {
 		t.Errorf("got unexpected body %q", string(body))
 	}
 }
+
+func TestTLSServer(t *testing.T) {
+	ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+		fmt.Fprintf(w, "tls=%v", r.TLS != nil)
+	}))
+	defer ts.Close()
+	if !strings.HasPrefix(ts.URL, "https://") {
+		t.Fatalf("expected test TLS server to start with https://, got %q", ts.URL)
+	}
+	res, _, err := Get(ts.URL)
+	if err != nil {
+		t.Error(err)
+	}
+	if res == nil {
+		t.Fatalf("got nil Response")
+	}
+	if res.Body == nil {
+		t.Fatalf("got nil Response.Body")
+	}
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		t.Error(err)
+	}
+	if e, g := "tls=true", string(body); e != g {
+		t.Errorf("expected body %q; got %q", e, g)
+	}
+}
diff --git a/libgo/go/http/transfer.go b/libgo/go/http/transfer.go
index 996e289..41614f1 100644
--- a/libgo/go/http/transfer.go
+++ b/libgo/go/http/transfer.go
@@ -215,7 +215,7 @@ func readTransfer(msg interface{}, r *bufio.Reader) (err os.Error) {
 	}
 
 	// Transfer encoding, content length
-	t.TransferEncoding, err = fixTransferEncoding(t.Header)
+	t.TransferEncoding, err = fixTransferEncoding(t.RequestMethod, t.Header)
 	if err != nil {
 		return err
 	}
@@ -289,13 +289,20 @@ func readTransfer(msg interface{}, r *bufio.Reader) (err os.Error) {
 func chunked(te []string) bool { return len(te) > 0 && te[0] == "chunked" }
 
 // Sanitize transfer encoding
-func fixTransferEncoding(header Header) ([]string, os.Error) {
+func fixTransferEncoding(requestMethod string, header Header) ([]string, os.Error) {
 	raw, present := header["Transfer-Encoding"]
 	if !present {
 		return nil, nil
 	}
 
 	header["Transfer-Encoding"] = nil, false
+
+	// Head responses have no bodies, so the transfer encoding
+	// should be ignored.
+	if requestMethod == "HEAD" {
+		return nil, nil
+	}
+
 	encodings := strings.Split(raw[0], ",", -1)
 	te := make([]string, 0, len(encodings))
 	// TODO: Even though we only support "identity" and "chunked"
diff --git a/libgo/go/http/transport.go b/libgo/go/http/transport.go
index ed7843b..797d134 100644
--- a/libgo/go/http/transport.go
+++ b/libgo/go/http/transport.go
@@ -24,6 +24,10 @@ import (
 // environment variables.
 var DefaultTransport RoundTripper = &Transport{}
 
+// DefaultMaxIdleConnsPerHost is the default value of Transport's
+// MaxIdleConnsPerHost.
+const DefaultMaxIdleConnsPerHost = 2
+
 // Transport is an implementation of RoundTripper that supports http,
 // https, and http proxies (for either http or https with CONNECT).
 // Transport can also cache connections for future re-use.
@@ -31,11 +35,17 @@ type Transport struct {
 	lk       sync.Mutex
 	idleConn map[string][]*persistConn
 
-	// TODO: tunables on max cached connections (total, per-server), duration
+	// TODO: tunable on global max cached connections
+	// TODO: tunable on timeout on cached connections
 	// TODO: optional pipelining
 
 	IgnoreEnvironment bool // don't look at environment variables for proxy configuration
 	DisableKeepAlives bool
+
+	// MaxIdleConnsPerHost, if non-zero, controls the maximum idle
+	// (keep-alive) to keep to keep per-host.  If zero,
+	// DefaultMaxIdleConnsPerHost is used.
+	MaxIdleConnsPerHost int
 }
 
 // RoundTrip implements the RoundTripper interface.
@@ -147,7 +157,7 @@ func (cm *connectMethod) proxyAuth() string {
 func (t *Transport) putIdleConn(pconn *persistConn) {
 	t.lk.Lock()
 	defer t.lk.Unlock()
-	if t.DisableKeepAlives {
+	if t.DisableKeepAlives || t.MaxIdleConnsPerHost < 0 {
 		pconn.close()
 		return
 	}
@@ -155,6 +165,14 @@ func (t *Transport) putIdleConn(pconn *persistConn) {
 		return
 	}
 	key := pconn.cacheKey
+	max := t.MaxIdleConnsPerHost
+	if max == 0 {
+		max = DefaultMaxIdleConnsPerHost
+	}
+	if len(t.idleConn[key]) >= max {
+		pconn.close()
+		return
+	}
 	t.idleConn[key] = append(t.idleConn[key], pconn)
 }
 
@@ -406,24 +424,37 @@ func (pc *persistConn) readLoop() {
 
 		rc := <-pc.reqch
 		resp, err := pc.cc.Read(rc.req)
-		if err == nil && !rc.req.Close {
-			pc.t.putIdleConn(pc)
-		}
+
 		if err == ErrPersistEOF {
 			// Succeeded, but we can't send any more
 			// persistent connections on this again.  We
 			// hide this error to upstream callers.
 			alive = false
 			err = nil
-		} else if err != nil {
+		} else if err != nil || rc.req.Close {
 			alive = false
 		}
+
+		hasBody := resp != nil && resp.ContentLength != 0
+		var waitForBodyRead chan bool
+		if alive {
+			if hasBody {
+				waitForBodyRead = make(chan bool)
+				resp.Body.(*bodyEOFSignal).fn = func() {
+					pc.t.putIdleConn(pc)
+					waitForBodyRead <- true
+				}
+			} else {
+				pc.t.putIdleConn(pc)
+			}
+		}
+
 		rc.ch <- responseAndError{resp, err}
 
 		// Wait for the just-returned response body to be fully consumed
 		// before we race and peek on the underlying bufio reader.
-		if alive {
-			<-resp.Body.(*bodyEOFSignal).ch
+		if waitForBodyRead != nil {
+			<-waitForBodyRead
 		}
 	}
 }
@@ -494,34 +525,34 @@ func responseIsKeepAlive(res *Response) bool {
 // the response body with a bodyEOFSignal-wrapped version.
 func readResponseWithEOFSignal(r *bufio.Reader, requestMethod string) (resp *Response, err os.Error) {
 	resp, err = ReadResponse(r, requestMethod)
-	if err == nil {
-		resp.Body = &bodyEOFSignal{resp.Body, make(chan bool, 1), false}
+	if err == nil && resp.ContentLength != 0 {
+		resp.Body = &bodyEOFSignal{resp.Body, nil}
 	}
 	return
 }
 
-// bodyEOFSignal wraps a ReadCloser but sends on ch once once
-// the wrapped ReadCloser is fully consumed (including on Close)
+// bodyEOFSignal wraps a ReadCloser but runs fn (if non-nil) at most
+// once, right before the final Read() or Close() call returns, but after
+// EOF has been seen.
 type bodyEOFSignal struct {
 	body io.ReadCloser
-	ch   chan bool
-	done bool
+	fn   func()
 }
 
 func (es *bodyEOFSignal) Read(p []byte) (n int, err os.Error) {
 	n, err = es.body.Read(p)
-	if err == os.EOF && !es.done {
-		es.ch <- true
-		es.done = true
+	if err == os.EOF && es.fn != nil {
+		es.fn()
+		es.fn = nil
 	}
 	return
 }
 
 func (es *bodyEOFSignal) Close() (err os.Error) {
 	err = es.body.Close()
-	if err == nil && !es.done {
-		es.ch <- true
-		es.done = true
+	if err == nil && es.fn != nil {
+		es.fn()
+		es.fn = nil
 	}
 	return
 }
diff --git a/libgo/go/http/transport_test.go b/libgo/go/http/transport_test.go
index 5c3e1cd..e46f830 100644
--- a/libgo/go/http/transport_test.go
+++ b/libgo/go/http/transport_test.go
@@ -85,6 +85,7 @@ func TestTransportConnectionCloseOnResponse(t *testing.T) {
 				t.Fatalf("error in connectionClose=%v, req #%d, Do: %v", connectionClose, n, err)
 			}
 			body, err := ioutil.ReadAll(res.Body)
+			defer res.Body.Close()
 			if err != nil {
 				t.Fatalf("error in connectionClose=%v, req #%d, ReadAll: %v", connectionClose, n, err)
 			}
@@ -154,9 +155,11 @@ func TestTransportIdleCacheKeys(t *testing.T) {
 		t.Errorf("After CloseIdleConnections expected %d idle conn cache keys; got %d", e, g)
 	}
 
-	if _, _, err := c.Get(ts.URL); err != nil {
+	resp, _, err := c.Get(ts.URL)
+	if err != nil {
 		t.Error(err)
 	}
+	ioutil.ReadAll(resp.Body)
 
 	keys := tr.IdleConnKeysForTesting()
 	if e, g := 1, len(keys); e != g {
@@ -164,7 +167,7 @@ func TestTransportIdleCacheKeys(t *testing.T) {
 	}
 
 	if e := "|http|" + ts.Listener.Addr().String(); keys[0] != e {
-		t.Logf("Expected idle cache key %q; got %q", e, keys[0])
+		t.Errorf("Expected idle cache key %q; got %q", e, keys[0])
 	}
 
 	tr.CloseIdleConnections()
@@ -173,6 +176,62 @@ func TestTransportIdleCacheKeys(t *testing.T) {
 	}
 }
 
+func TestTransportMaxPerHostIdleConns(t *testing.T) {
+	ch := make(chan string)
+	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+		fmt.Fprintf(w, "%s", <-ch)
+	}))
+	defer ts.Close()
+	maxIdleConns := 2
+	tr := &Transport{DisableKeepAlives: false, MaxIdleConnsPerHost: maxIdleConns}
+	c := &Client{Transport: tr}
+
+	// Start 3 outstanding requests (will hang until we write to
+	// ch)
+	donech := make(chan bool)
+	doReq := func() {
+		resp, _, err := c.Get(ts.URL)
+		if err != nil {
+			t.Error(err)
+		}
+		ioutil.ReadAll(resp.Body)
+		donech <- true
+	}
+	go doReq()
+	go doReq()
+	go doReq()
+
+	if e, g := 0, len(tr.IdleConnKeysForTesting()); e != g {
+		t.Fatalf("Before writes, expected %d idle conn cache keys; got %d", e, g)
+	}
+
+	ch <- "res1"
+	<-donech
+	keys := tr.IdleConnKeysForTesting()
+	if e, g := 1, len(keys); e != g {
+		t.Fatalf("after first response, expected %d idle conn cache keys; got %d", e, g)
+	}
+	cacheKey := "|http|" + ts.Listener.Addr().String()
+	if keys[0] != cacheKey {
+		t.Fatalf("Expected idle cache key %q; got %q", cacheKey, keys[0])
+	}
+	if e, g := 1, tr.IdleConnCountForTesting(cacheKey); e != g {
+		t.Errorf("after first response, expected %d idle conns; got %d", e, g)
+	}
+
+	ch <- "res2"
+	<-donech
+	if e, g := 2, tr.IdleConnCountForTesting(cacheKey); e != g {
+		t.Errorf("after second response, expected %d idle conns; got %d", e, g)
+	}
+
+	ch <- "res3"
+	<-donech
+	if e, g := maxIdleConns, tr.IdleConnCountForTesting(cacheKey); e != g {
+		t.Errorf("after third response, still expected %d idle conns; got %d", e, g)
+	}
+}
+
 func TestTransportServerClosingUnexpectedly(t *testing.T) {
 	ts := httptest.NewServer(hostPortHandler)
 	defer ts.Close()
@@ -209,6 +268,63 @@ func TestTransportServerClosingUnexpectedly(t *testing.T) {
 	}
 }
 
+// TestTransportHeadResponses verifies that we deal with Content-Lengths
+// with no bodies properly
+func TestTransportHeadResponses(t *testing.T) {
+	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+		if r.Method != "HEAD" {
+			panic("expected HEAD; got " + r.Method)
+		}
+		w.Header().Set("Content-Length", "123")
+		w.WriteHeader(200)
+	}))
+	defer ts.Close()
+
+	tr := &Transport{DisableKeepAlives: false}
+	c := &Client{Transport: tr}
+	for i := 0; i < 2; i++ {
+		res, err := c.Head(ts.URL)
+		if err != nil {
+			t.Errorf("error on loop %d: %v", i, err)
+		}
+		if e, g := "123", res.Header.Get("Content-Length"); e != g {
+			t.Errorf("loop %d: expected Content-Length header of %q, got %q", e, g)
+		}
+		if e, g := int64(0), res.ContentLength; e != g {
+			t.Errorf("loop %d: expected res.ContentLength of %v, got %v", e, g)
+		}
+	}
+}
+
+// TestTransportHeadChunkedResponse verifies that we ignore chunked transfer-encoding
+// on responses to HEAD requests.
+func TestTransportHeadChunkedResponse(t *testing.T) {
+	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+		if r.Method != "HEAD" {
+			panic("expected HEAD; got " + r.Method)
+		}
+		w.Header().Set("Transfer-Encoding", "chunked") // client should ignore
+		w.Header().Set("x-client-ipport", r.RemoteAddr)
+		w.WriteHeader(200)
+	}))
+	defer ts.Close()
+
+	tr := &Transport{DisableKeepAlives: false}
+	c := &Client{Transport: tr}
+
+	res1, err := c.Head(ts.URL)
+	if err != nil {
+		t.Fatalf("request 1 error: %v", err)
+	}
+	res2, err := c.Head(ts.URL)
+	if err != nil {
+		t.Fatalf("request 2 error: %v", err)
+	}
+	if v1, v2 := res1.Header.Get("x-client-ipport"), res2.Header.Get("x-client-ipport"); v1 != v2 {
+		t.Errorf("ip/ports differed between head requests: %q vs %q", v1, v2)
+	}
+}
+
 func TestTransportNilURL(t *testing.T) {
 	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
 		fmt.Fprintf(w, "Hi")
diff --git a/libgo/go/http/url.go b/libgo/go/http/url.go
index efd90d8..0fc0cb2 100644
--- a/libgo/go/http/url.go
+++ b/libgo/go/http/url.go
@@ -213,8 +213,8 @@ func urlEscape(s string, mode encoding) string {
 			j++
 		case shouldEscape(c, mode):
 			t[j] = '%'
-			t[j+1] = "0123456789abcdef"[c>>4]
-			t[j+2] = "0123456789abcdef"[c&15]
+			t[j+1] = "0123456789ABCDEF"[c>>4]
+			t[j+2] = "0123456789ABCDEF"[c&15]
 			j += 3
 		default:
 			t[j] = s[i]
diff --git a/libgo/go/http/url_test.go b/libgo/go/http/url_test.go
index 0801f7f..d8863f3 100644
--- a/libgo/go/http/url_test.go
+++ b/libgo/go/http/url_test.go
@@ -490,7 +490,7 @@ var escapeTests = []URLEscapeTest{
 	},
 	{
 		" ?&=#+%!<>#\"{}|\\^[]`☺\t",
-		"+%3f%26%3d%23%2b%25!%3c%3e%23%22%7b%7d%7c%5c%5e%5b%5d%60%e2%98%ba%09",
+		"+%3F%26%3D%23%2B%25!%3C%3E%23%22%7B%7D%7C%5C%5E%5B%5D%60%E2%98%BA%09",
 		nil,
 	},
 }
@@ -519,7 +519,7 @@ type UserinfoTest struct {
 var userinfoTests = []UserinfoTest{
 	{"user", "password", "user:password"},
 	{"foo:bar", "~!@#$%^&*()_+{}|[]\\-=`:;'\"<>?,./",
-		"foo%3abar:~!%40%23$%25%5e&*()_+%7b%7d%7c%5b%5d%5c-=%60%3a;'%22%3c%3e?,.%2f"},
+		"foo%3Abar:~!%40%23$%25%5E&*()_+%7B%7D%7C%5B%5D%5C-=%60%3A;'%22%3C%3E?,.%2F"},
 }
 
 func TestEscapeUserinfo(t *testing.T) {
diff --git a/libgo/go/image/decode_test.go b/libgo/go/image/decode_test.go
index 5b87344..0716ad9 100644
--- a/libgo/go/image/decode_test.go
+++ b/libgo/go/image/decode_test.go
@@ -34,7 +34,7 @@ var imageTests = []imageTest{
 }
 
 func decode(filename string) (image.Image, string, os.Error) {
-	f, err := os.Open(filename, os.O_RDONLY, 0400)
+	f, err := os.Open(filename)
 	if err != nil {
 		return nil, "", err
 	}
diff --git a/libgo/go/image/png/reader_test.go b/libgo/go/image/png/reader_test.go
index 0b2058d..efa6336 100644
--- a/libgo/go/image/png/reader_test.go
+++ b/libgo/go/image/png/reader_test.go
@@ -41,7 +41,7 @@ var filenamesShort = []string{
 }
 
 func readPng(filename string) (image.Image, os.Error) {
-	f, err := os.Open(filename, os.O_RDONLY, 0444)
+	f, err := os.Open(filename)
 	if err != nil {
 		return nil, err
 	}
@@ -191,7 +191,7 @@ func TestReader(t *testing.T) {
 		defer piper.Close()
 
 		// Read the .sng file.
-		sf, err := os.Open("testdata/pngsuite/"+fn+".sng", os.O_RDONLY, 0444)
+		sf, err := os.Open("testdata/pngsuite/" + fn + ".sng")
 		if err != nil {
 			t.Error(fn, err)
 			continue
diff --git a/libgo/go/io/ioutil/ioutil.go b/libgo/go/io/ioutil/ioutil.go
index ed6c310..57d797e 100644
--- a/libgo/go/io/ioutil/ioutil.go
+++ b/libgo/go/io/ioutil/ioutil.go
@@ -28,7 +28,7 @@ func ReadAll(r io.Reader) ([]byte, os.Error) {
 
 // ReadFile reads the file named by filename and returns the contents.
 func ReadFile(filename string) ([]byte, os.Error) {
-	f, err := os.Open(filename, os.O_RDONLY, 0)
+	f, err := os.Open(filename)
 	if err != nil {
 		return nil, err
 	}
@@ -52,7 +52,7 @@ func ReadFile(filename string) ([]byte, os.Error) {
 // If the file does not exist, WriteFile creates it with permissions perm;
 // otherwise WriteFile truncates it before writing.
 func WriteFile(filename string, data []byte, perm uint32) os.Error {
-	f, err := os.Open(filename, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, perm)
+	f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
 	if err != nil {
 		return err
 	}
@@ -74,7 +74,7 @@ func (f fileInfoList) Swap(i, j int)      { f[i], f[j] = f[j], f[i] }
 // ReadDir reads the directory named by dirname and returns
 // a list of sorted directory entries.
 func ReadDir(dirname string) ([]*os.FileInfo, os.Error) {
-	f, err := os.Open(dirname, os.O_RDONLY, 0)
+	f, err := os.Open(dirname)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libgo/go/io/ioutil/tempfile.go b/libgo/go/io/ioutil/tempfile.go
index 62f8849..8e681bd 100644
--- a/libgo/go/io/ioutil/tempfile.go
+++ b/libgo/go/io/ioutil/tempfile.go
@@ -48,7 +48,7 @@ func TempFile(dir, prefix string) (f *os.File, err os.Error) {
 	nconflict := 0
 	for i := 0; i < 10000; i++ {
 		name := filepath.Join(dir, prefix+nextSuffix())
-		f, err = os.Open(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
+		f, err = os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
 		if pe, ok := err.(*os.PathError); ok && pe.Error == os.EEXIST {
 			if nconflict++; nconflict > 10 {
 				rand = reseed()
diff --git a/libgo/go/log/log.go b/libgo/go/log/log.go
index 658e3bd..33140ee 100644
--- a/libgo/go/log/log.go
+++ b/libgo/go/log/log.go
@@ -28,11 +28,12 @@ const (
 	// order they appear (the order listed here) or the format they present (as
 	// described in the comments).  A colon appears after these items:
 	//	2009/0123 01:23:23.123123 /a/b/c/d.go:23: message
-	Ldate         = 1 << iota // the date: 2009/0123
-	Ltime                     // the time: 01:23:23
-	Lmicroseconds             // microsecond resolution: 01:23:23.123123.  assumes Ltime.
-	Llongfile                 // full file name and line number: /a/b/c/d.go:23
-	Lshortfile                // final file name element and line number: d.go:23. overrides Llongfile
+	Ldate         = 1 << iota     // the date: 2009/0123
+	Ltime                         // the time: 01:23:23
+	Lmicroseconds                 // microsecond resolution: 01:23:23.123123.  assumes Ltime.
+	Llongfile                     // full file name and line number: /a/b/c/d.go:23
+	Lshortfile                    // final file name element and line number: d.go:23. overrides Llongfile
+	LstdFlags     = Ldate | Ltime // initial values for the standard logger
 )
 
 // A Logger represents an active logging object that generates lines of
@@ -40,10 +41,11 @@ const (
 // the Writer's Write method.  A Logger can be used simultaneously from
 // multiple goroutines; it guarantees to serialize access to the Writer.
 type Logger struct {
-	mu     sync.Mutex // ensures atomic writes
-	out    io.Writer  // destination for output
-	prefix string     // prefix to write at beginning of each line
-	flag   int        // properties
+	prefix string       // prefix to write at beginning of each line
+	flag   int          // properties
+	mu     sync.Mutex   // ensures atomic writes; protects the following fields
+	out    io.Writer    // destination for output
+	buf    bytes.Buffer // for accumulating text to write
 }
 
 // New creates a new Logger.   The out variable sets the
@@ -54,7 +56,7 @@ func New(out io.Writer, prefix string, flag int) *Logger {
 	return &Logger{out: out, prefix: prefix, flag: flag}
 }
 
-var std = New(os.Stderr, "", Ldate|Ltime)
+var std = New(os.Stderr, "", LstdFlags)
 
 // Cheap integer to fixed-width decimal ASCII.  Give a negative width to avoid zero-padding.
 // Knows the buffer has capacity.
@@ -81,7 +83,7 @@ func itoa(buf *bytes.Buffer, i int, wid int) {
 	}
 }
 
-func (l *Logger) formatHeader(buf *bytes.Buffer, ns int64, calldepth int) {
+func (l *Logger) formatHeader(buf *bytes.Buffer, ns int64, file string, line int) {
 	buf.WriteString(l.prefix)
 	if l.flag&(Ldate|Ltime|Lmicroseconds) != 0 {
 		t := time.SecondsToLocalTime(ns / 1e9)
@@ -107,21 +109,15 @@ func (l *Logger) formatHeader(buf *bytes.Buffer, ns int64, calldepth int) {
 		}
 	}
 	if l.flag&(Lshortfile|Llongfile) != 0 {
-		_, file, line, ok := runtime.Caller(calldepth)
-		if ok {
-			if l.flag&Lshortfile != 0 {
-				short := file
-				for i := len(file) - 1; i > 0; i-- {
-					if file[i] == '/' {
-						short = file[i+1:]
-						break
-					}
+		if l.flag&Lshortfile != 0 {
+			short := file
+			for i := len(file) - 1; i > 0; i-- {
+				if file[i] == '/' {
+					short = file[i+1:]
+					break
 				}
-				file = short
 			}
-		} else {
-			file = "???"
-			line = 0
+			file = short
 		}
 		buf.WriteString(file)
 		buf.WriteByte(':')
@@ -138,15 +134,26 @@ func (l *Logger) formatHeader(buf *bytes.Buffer, ns int64, calldepth int) {
 // paths it will be 2.
 func (l *Logger) Output(calldepth int, s string) os.Error {
 	now := time.Nanoseconds() // get this early.
-	buf := new(bytes.Buffer)
-	l.formatHeader(buf, now, calldepth+1)
-	buf.WriteString(s)
-	if len(s) > 0 && s[len(s)-1] != '\n' {
-		buf.WriteByte('\n')
+	// get caller info (if required) before locking - it's expensive.
+	var file string
+	var line int
+	if l.flag&(Lshortfile|Llongfile) != 0 {
+		var ok bool
+		_, file, line, ok = runtime.Caller(calldepth)
+		if !ok {
+			file = "???"
+			line = 0
+		}
 	}
 	l.mu.Lock()
 	defer l.mu.Unlock()
-	_, err := l.out.Write(buf.Bytes())
+	l.buf.Reset()
+	l.formatHeader(&l.buf, now, file, line)
+	l.buf.WriteString(s)
+	if len(s) > 0 && s[len(s)-1] != '\n' {
+		l.buf.WriteByte('\n')
+	}
+	_, err := l.out.Write(l.buf.Bytes())
 	return err
 }
 
@@ -203,19 +210,49 @@ func (l *Logger) Panicln(v ...interface{}) {
 	panic(s)
 }
 
+// Flags returns the output flags for the logger.
+func (l *Logger) Flags() int {
+	return l.flag
+}
+
+// SetFlags sets the output flags for the logger.
+func (l *Logger) SetFlags(flag int) {
+	l.flag = flag
+}
+
+// Prefix returns the output prefix for the logger.
+func (l *Logger) Prefix() string {
+	return l.prefix
+}
+
+// SetPrefix sets the output prefix for the logger.
+func (l *Logger) SetPrefix(prefix string) {
+	l.prefix = prefix
+}
+
 // SetOutput sets the output destination for the standard logger.
 func SetOutput(w io.Writer) {
 	std.out = w
 }
 
+// Flags returns the output flags for the standard logger.
+func Flags() int {
+	return std.Flags()
+}
+
 // SetFlags sets the output flags for the standard logger.
 func SetFlags(flag int) {
-	std.flag = flag
+	std.SetFlags(flag)
+}
+
+// Prefix returns the output prefix for the standard logger.
+func Prefix() string {
+	return std.Prefix()
 }
 
 // SetPrefix sets the output prefix for the standard logger.
 func SetPrefix(prefix string) {
-	std.prefix = prefix
+	std.SetPrefix(prefix)
 }
 
 // These functions write to the standard logger.
diff --git a/libgo/go/log/log_test.go b/libgo/go/log/log_test.go
index bd4d1a9..72ebf39 100644
--- a/libgo/go/log/log_test.go
+++ b/libgo/go/log/log_test.go
@@ -84,3 +84,36 @@ func TestOutput(t *testing.T) {
 		t.Errorf("log output should match %q is %q", expect, b.String())
 	}
 }
+
+func TestFlagAndPrefixSetting(t *testing.T) {
+	var b bytes.Buffer
+	l := New(&b, "Test:", LstdFlags)
+	f := l.Flags()
+	if f != LstdFlags {
+		t.Errorf("Flags 1: expected %x got %x", LstdFlags, f)
+	}
+	l.SetFlags(f | Lmicroseconds)
+	f = l.Flags()
+	if f != LstdFlags|Lmicroseconds {
+		t.Errorf("Flags 2: expected %x got %x", LstdFlags|Lmicroseconds, f)
+	}
+	p := l.Prefix()
+	if p != "Test:" {
+		t.Errorf(`Prefix: expected "Test:" got %q`, p)
+	}
+	l.SetPrefix("Reality:")
+	p = l.Prefix()
+	if p != "Reality:" {
+		t.Errorf(`Prefix: expected "Reality:" got %q`, p)
+	}
+	// Verify a log message looks right, with our prefix and microseconds present.
+	l.Print("hello")
+	pattern := "^Reality:" + Rdate + " " + Rtime + Rmicroseconds + " hello\n"
+	matched, err := regexp.Match(pattern, b.Bytes())
+	if err != nil {
+		t.Fatalf("pattern %q did not compile: %s", pattern, err)
+	}
+	if !matched {
+		t.Error("message did not match pattern")
+	}
+}
diff --git a/libgo/go/mime/type.go b/libgo/go/mime/type.go
index a10b780..6fe0ed5 100644
--- a/libgo/go/mime/type.go
+++ b/libgo/go/mime/type.go
@@ -33,7 +33,7 @@ var mimeTypes = map[string]string{
 var mimeLock sync.RWMutex
 
 func loadMimeFile(filename string) {
-	f, err := os.Open(filename, os.O_RDONLY, 0666)
+	f, err := os.Open(filename)
 	if err != nil {
 		return
 	}
diff --git a/libgo/go/net/hosts.go b/libgo/go/net/hosts.go
index 8525f57..d75e9e0 100644
--- a/libgo/go/net/hosts.go
+++ b/libgo/go/net/hosts.go
@@ -59,7 +59,7 @@ func readHosts() {
 	}
 }
 
-// lookupStaticHosts looks up the addresses for the given host from /etc/hosts.
+// lookupStaticHost looks up the addresses for the given host from /etc/hosts.
 func lookupStaticHost(host string) []string {
 	hosts.Lock()
 	defer hosts.Unlock()
@@ -72,7 +72,7 @@ func lookupStaticHost(host string) []string {
 	return nil
 }
 
-// rlookupStaticHosts looks up the hosts for the given address from /etc/hosts.
+// lookupStaticAddr looks up the hosts for the given address from /etc/hosts.
 func lookupStaticAddr(addr string) []string {
 	hosts.Lock()
 	defer hosts.Unlock()
diff --git a/libgo/go/net/parse.go b/libgo/go/net/parse.go
index 2bc0db4..de46830 100644
--- a/libgo/go/net/parse.go
+++ b/libgo/go/net/parse.go
@@ -63,7 +63,7 @@ func (f *file) readLine() (s string, ok bool) {
 }
 
 func open(name string) (*file, os.Error) {
-	fd, err := os.Open(name, os.O_RDONLY, 0)
+	fd, err := os.Open(name)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libgo/go/net/parse_test.go b/libgo/go/net/parse_test.go
index 2b7784e..226f354 100644
--- a/libgo/go/net/parse_test.go
+++ b/libgo/go/net/parse_test.go
@@ -18,7 +18,7 @@ func TestReadLine(t *testing.T) {
 	}
 	filename := "/etc/services" // a nice big file
 
-	fd, err := os.Open(filename, os.O_RDONLY, 0)
+	fd, err := os.Open(filename)
 	if err != nil {
 		t.Fatalf("open %s: %v", filename, err)
 	}
diff --git a/libgo/go/net/resolv_windows.go b/libgo/go/net/resolv_windows.go
index f3d854f..000c306 100644
--- a/libgo/go/net/resolv_windows.go
+++ b/libgo/go/net/resolv_windows.go
@@ -14,26 +14,51 @@ import (
 var hostentLock sync.Mutex
 var serventLock sync.Mutex
 
-func LookupHost(name string) (cname string, addrs []string, err os.Error) {
+func goLookupHost(name string) (addrs []string, err os.Error) {
+	ips, err := goLookupIP(name)
+	if err != nil {
+		return
+	}
+	addrs = make([]string, 0, len(ips))
+	for _, ip := range ips {
+		addrs = append(addrs, ip.String())
+	}
+	return
+}
+
+func goLookupIP(name string) (addrs []IP, err os.Error) {
 	hostentLock.Lock()
 	defer hostentLock.Unlock()
 	h, e := syscall.GetHostByName(name)
 	if e != 0 {
-		return "", nil, os.NewSyscallError("GetHostByName", e)
+		return nil, os.NewSyscallError("GetHostByName", e)
 	}
-	cname = name
 	switch h.AddrType {
 	case syscall.AF_INET:
 		i := 0
-		addrs = make([]string, 100) // plenty of room to grow
+		addrs = make([]IP, 100) // plenty of room to grow
 		for p := (*[100](*[4]byte))(unsafe.Pointer(h.AddrList)); i < cap(addrs) && p[i] != nil; i++ {
-			addrs[i] = IPv4(p[i][0], p[i][1], p[i][2], p[i][3]).String()
+			addrs[i] = IPv4(p[i][0], p[i][1], p[i][2], p[i][3])
 		}
 		addrs = addrs[0:i]
 	default: // TODO(vcc): Implement non IPv4 address lookups.
-		return "", nil, os.NewSyscallError("LookupHost", syscall.EWINDOWS)
+		return nil, os.NewSyscallError("LookupHost", syscall.EWINDOWS)
+	}
+	return addrs, nil
+}
+
+func LookupCNAME(name string) (cname string, err os.Error) {
+	var r *syscall.DNSRecord
+	e := syscall.DnsQuery(name, syscall.DNS_TYPE_CNAME, 0, nil, &r, nil)
+	if int(e) != 0 {
+		return "", os.NewSyscallError("LookupCNAME", int(e))
+	}
+	defer syscall.DnsRecordListFree(r, 1)
+	if r != nil && r.Type == syscall.DNS_TYPE_CNAME {
+		v := (*syscall.DNSPTRData)(unsafe.Pointer(&r.Data[0]))
+		cname = syscall.UTF16ToString((*[256]uint16)(unsafe.Pointer(v.Host))[:]) + "."
 	}
-	return cname, addrs, nil
+	return
 }
 
 type SRV struct {
@@ -62,7 +87,7 @@ func LookupSRV(service, proto, name string) (cname string, addrs []*SRV, err os.
 	return name, addrs, nil
 }
 
-func LookupPort(network, service string) (port int, err os.Error) {
+func goLookupPort(network, service string) (port int, err os.Error) {
 	switch network {
 	case "tcp4", "tcp6":
 		network = "tcp"
diff --git a/libgo/go/os/dir_plan9.go b/libgo/go/os/dir_plan9.go
new file mode 100644
index 0000000..7bb0642
--- /dev/null
+++ b/libgo/go/os/dir_plan9.go
@@ -0,0 +1,300 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import (
+	"syscall"
+)
+
+type dirInfo int
+
+var markDirectory dirInfo = ^0
+
+// Readdir reads the contents of the directory associated with file and
+// returns an array of up to count FileInfo structures, as would be returned
+// by Lstat, in directory order.  Subsequent calls on the same file will yield
+// further FileInfos. A negative count means to read the entire directory.
+// Readdir returns the array and an Error, if any.
+func (file *File) Readdir(count int) (fi []FileInfo, err Error) {
+	// If this file has no dirinfo, create one.
+	if file.dirinfo == nil {
+		file.dirinfo = &markDirectory
+	}
+
+	size := count
+	if size < 0 {
+		size = 100
+	}
+
+	result := make([]FileInfo, 0, size)
+	var buf [syscall.STATMAX]byte
+
+	for {
+		n, e := file.Read(buf[:])
+
+		if e != nil {
+			if e == EOF {
+				break
+			}
+
+			return []FileInfo{}, &PathError{"readdir", file.name, e}
+		}
+
+		if n < syscall.STATFIXLEN {
+			return []FileInfo{}, &PathError{"readdir", file.name, Eshortstat}
+		}
+
+		for i := 0; i < n; {
+			m, _ := gbit16(buf[i:])
+			m += 2
+
+			if m < syscall.STATFIXLEN {
+				return []FileInfo{}, &PathError{"readdir", file.name, Eshortstat}
+			}
+
+			d, e := UnmarshalDir(buf[i : i+int(m)])
+
+			if e != nil {
+				return []FileInfo{}, &PathError{"readdir", file.name, e}
+			}
+
+			var f FileInfo
+			fileInfoFromStat(&f, d)
+
+			result = append(result, f)
+
+			// a negative count means to read until EOF.
+			if count > 0 && len(result) >= count {
+				break
+			}
+
+			i += int(m)
+		}
+	}
+
+	return result, nil
+}
+
+// Readdirnames returns an array of up to count file names residing in the 
+// directory associated with file. A negative count will return all of them.
+// Readdir returns the array and an Error, if any.
+func (file *File) Readdirnames(count int) (names []string, err Error) {
+	fi, e := file.Readdir(count)
+
+	if e != nil {
+		return []string{}, e
+	}
+
+	names = make([]string, len(fi))
+	err = nil
+
+	for i, _ := range fi {
+		names[i] = fi[i].Name
+	}
+
+	return
+}
+
+type Dir struct {
+	// system-modified data
+	Type uint16 // server type
+	Dev  uint32 // server subtype
+	// file data
+	Qid    Qid    // unique id from server
+	Mode   uint32 // permissions
+	Atime  uint32 // last read time
+	Mtime  uint32 // last write time
+	Length uint64 // file length
+	Name   string // last element of path
+	Uid    string // owner name
+	Gid    string // group name
+	Muid   string // last modifier name
+}
+
+type Qid struct {
+	Path uint64 // the file server's unique identification for the file
+	Vers uint32 // version number for given Path
+	Type uint8  // the type of the file (syscall.QTDIR for example)
+}
+
+var nullDir = Dir{
+	^uint16(0),
+	^uint32(0),
+	Qid{^uint64(0), ^uint32(0), ^uint8(0)},
+	^uint32(0),
+	^uint32(0),
+	^uint32(0),
+	^uint64(0),
+	"",
+	"",
+	"",
+	"",
+}
+
+// Null assigns members of d with special "don't care" values indicating
+// they should not be written by syscall.Wstat. 
+func (d *Dir) Null() {
+	*d = nullDir
+}
+
+// pdir appends a 9P Stat message based on the contents of Dir d to a byte slice b.
+func pdir(b []byte, d *Dir) []byte {
+	n := len(b)
+	b = pbit16(b, 0) // length, filled in later	
+	b = pbit16(b, d.Type)
+	b = pbit32(b, d.Dev)
+	b = pqid(b, d.Qid)
+	b = pbit32(b, d.Mode)
+	b = pbit32(b, d.Atime)
+	b = pbit32(b, d.Mtime)
+	b = pbit64(b, d.Length)
+	b = pstring(b, d.Name)
+	b = pstring(b, d.Uid)
+	b = pstring(b, d.Gid)
+	b = pstring(b, d.Muid)
+	pbit16(b[0:n], uint16(len(b)-(n+2)))
+	return b
+}
+
+// UnmarshalDir reads a 9P Stat message from a 9P protocol message strored in b,
+// returning the corresponding Dir struct.
+func UnmarshalDir(b []byte) (d *Dir, err Error) {
+	n := uint16(0)
+	n, b = gbit16(b)
+
+	if int(n) != len(b) {
+		return nil, Ebadstat
+	}
+
+	d = new(Dir)
+	d.Type, b = gbit16(b)
+	d.Dev, b = gbit32(b)
+	d.Qid, b = gqid(b)
+	d.Mode, b = gbit32(b)
+	d.Atime, b = gbit32(b)
+	d.Mtime, b = gbit32(b)
+	d.Length, b = gbit64(b)
+	d.Name, b = gstring(b)
+	d.Uid, b = gstring(b)
+	d.Gid, b = gstring(b)
+	d.Muid, b = gstring(b)
+
+	if len(b) != 0 {
+		return nil, Ebadstat
+	}
+
+	return d, nil
+}
+
+// gqid reads the qid part of a 9P Stat message from a 9P protocol message strored in b,
+// returning the corresponding Qid struct and the remaining slice of b.
+func gqid(b []byte) (Qid, []byte) {
+	var q Qid
+	q.Path, b = gbit64(b)
+	q.Vers, b = gbit32(b)
+	q.Type, b = gbit8(b)
+	return q, b
+}
+
+// pqid appends a Qid struct q to a 9P message b.
+func pqid(b []byte, q Qid) []byte {
+	b = pbit64(b, q.Path)
+	b = pbit32(b, q.Vers)
+	b = pbit8(b, q.Type)
+	return b
+}
+
+// gbit8 reads a byte-sized numeric value from a 9P protocol message strored in b,
+// returning the value and the remaining slice of b.
+func gbit8(b []byte) (uint8, []byte) {
+	return uint8(b[0]), b[1:]
+}
+
+// gbit16 reads a 16-bit numeric value from a 9P protocol message strored in b,
+// returning the value and the remaining slice of b.
+func gbit16(b []byte) (uint16, []byte) {
+	return uint16(b[0]) | uint16(b[1])<<8, b[2:]
+}
+
+// gbit32 reads a 32-bit numeric value from a 9P protocol message strored in b,
+// returning the value and the remaining slice of b.
+func gbit32(b []byte) (uint32, []byte) {
+	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24, b[4:]
+}
+
+// gbit64 reads a 64-bit numeric value from a 9P protocol message strored in b,
+// returning the value and the remaining slice of b.
+func gbit64(b []byte) (uint64, []byte) {
+	lo, b := gbit32(b)
+	hi, b := gbit32(b)
+	return uint64(hi)<<32 | uint64(lo), b
+}
+
+// gstring reads a string from a 9P protocol message strored in b,
+// returning the value as a Go string and the remaining slice of b.
+func gstring(b []byte) (string, []byte) {
+	n, b := gbit16(b)
+	return string(b[0:n]), b[n:]
+}
+
+// pbit8 appends a byte-sized numeric value x to a 9P message b.
+func pbit8(b []byte, x uint8) []byte {
+	n := len(b)
+	if n+1 > cap(b) {
+		nb := make([]byte, n, 100+2*cap(b))
+		copy(nb, b)
+		b = nb
+	}
+	b = b[0 : n+1]
+	b[n] = x
+	return b
+}
+
+// pbit16 appends a 16-bit numeric value x to a 9P message b.
+func pbit16(b []byte, x uint16) []byte {
+	n := len(b)
+	if n+2 > cap(b) {
+		nb := make([]byte, n, 100+2*cap(b))
+		copy(nb, b)
+		b = nb
+	}
+	b = b[0 : n+2]
+	b[n] = byte(x)
+	b[n+1] = byte(x >> 8)
+	return b
+}
+
+// pbit32 appends a 32-bit numeric value x to a 9P message b.
+func pbit32(b []byte, x uint32) []byte {
+	n := len(b)
+	if n+4 > cap(b) {
+		nb := make([]byte, n, 100+2*cap(b))
+		copy(nb, b)
+		b = nb
+	}
+	b = b[0 : n+4]
+	b[n] = byte(x)
+	b[n+1] = byte(x >> 8)
+	b[n+2] = byte(x >> 16)
+	b[n+3] = byte(x >> 24)
+	return b
+}
+
+// pbit64 appends a 64-bit numeric value x to a 9P message b.
+func pbit64(b []byte, x uint64) []byte {
+	b = pbit32(b, uint32(x))
+	b = pbit32(b, uint32(x>>32))
+	return b
+}
+
+// pstring appends a Go string s to a 9P message b.
+func pstring(b []byte, s string) []byte {
+	if len(s) >= 1<<16 {
+		panic(NewError("string too long"))
+	}
+	b = pbit16(b, uint16(len(s)))
+	b = append(b, []byte(s)...)
+	return b
+}
diff --git a/libgo/go/os/dir_unix.go b/libgo/go/os/dir_unix.go
new file mode 100644
index 0000000..f5b8223
--- /dev/null
+++ b/libgo/go/os/dir_unix.go
@@ -0,0 +1,54 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import (
+	"syscall"
+)
+
+const (
+	blockSize = 4096
+)
+
+// Readdirnames reads the contents of the directory associated with file and
+// returns an array of up to count names, in directory order.  Subsequent
+// calls on the same file will yield further names.
+// A negative count means to read until EOF.
+// Readdirnames returns the array and an Error, if any.
+func (file *File) Readdirnames(count int) (names []string, err Error) {
+	// If this file has no dirinfo, create one.
+	if file.dirinfo == nil {
+		file.dirinfo = new(dirInfo)
+		// The buffer must be at least a block long.
+		file.dirinfo.buf = make([]byte, blockSize)
+	}
+	d := file.dirinfo
+	size := count
+	if size < 0 {
+		size = 100
+	}
+	names = make([]string, 0, size) // Empty with room to grow.
+	for count != 0 {
+		// Refill the buffer if necessary
+		if d.bufp >= d.nbuf {
+			d.bufp = 0
+			var errno int
+			d.nbuf, errno = syscall.ReadDirent(file.fd, d.buf)
+			if errno != 0 {
+				return names, NewSyscallError("readdirent", errno)
+			}
+			if d.nbuf <= 0 {
+				break // EOF
+			}
+		}
+
+		// Drain the buffer
+		var nb, nc int
+		nb, nc, names = syscall.ParseDirent(d.buf[d.bufp:d.nbuf], count, names)
+		d.bufp += nb
+		count -= nc
+	}
+	return names, nil
+}
diff --git a/libgo/go/os/env_plan9.go b/libgo/go/os/env_plan9.go
new file mode 100644
index 0000000..14df55e
--- /dev/null
+++ b/libgo/go/os/env_plan9.go
@@ -0,0 +1,91 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9 environment variables.
+
+package os
+
+import "syscall"
+
+// ENOENV is the Error indicating that an environment variable does not exist.
+var ENOENV = NewError("no such environment variable")
+
+// Getenverror retrieves the value of the environment variable named by the key.
+// It returns the value and an error, if any.
+func Getenverror(key string) (value string, err Error) {
+	if len(key) == 0 {
+		return "", EINVAL
+	}
+	f, e := Open("/env/" + key)
+	if iserror(e) {
+		return "", ENOENV
+	}
+	defer f.Close()
+
+	var buf [4096]byte
+	n, e := f.Read(buf[:len(buf)-1])
+	if iserror(e) {
+		return "", ENOENV
+	}
+	buf[n] = 0
+	return string(buf[0:n]), nil
+}
+
+// Getenv retrieves the value of the environment variable named by the key.
+// It returns the value, which will be empty if the variable is not present.
+func Getenv(key string) string {
+	v, _ := Getenverror(key)
+	return v
+}
+
+// Setenv sets the value of the environment variable named by the key.
+// It returns an Error, if any.
+func Setenv(key, value string) Error {
+	if len(key) == 0 {
+		return EINVAL
+	}
+
+	f, e := Create("/env/" + key)
+	if iserror(e) {
+		return e
+	}
+	defer f.Close()
+
+	_, e = f.Write(syscall.StringByteSlice(value))
+	return nil
+}
+
+// Clearenv deletes all environment variables.
+func Clearenv() {
+	syscall.RawSyscall(syscall.SYS_RFORK, syscall.RFCENVG, 0, 0)
+}
+
+// Environ returns an array of strings representing the environment,
+// in the form "key=value".
+func Environ() []string {
+	env := make([]string, 0, 100)
+
+	f, e := Open("/env")
+	if iserror(e) {
+		panic(e)
+	}
+	defer f.Close()
+
+	names, e := f.Readdirnames(-1)
+	if iserror(e) {
+		panic(e)
+	}
+
+	for _, k := range names {
+		if v, e := Getenverror(k); !iserror(e) {
+			env = append(env, k+"="+v)
+		}
+	}
+	return env[0:len(env)]
+}
+
+// TempDir returns the default directory to use for temporary files.
+func TempDir() string {
+	return "/tmp"
+}
diff --git a/libgo/go/os/error.go b/libgo/go/os/error.go
index 635a3fe..2c4516c 100644
--- a/libgo/go/os/error.go
+++ b/libgo/go/os/error.go
@@ -4,8 +4,6 @@
 
 package os
 
-import syscall "syscall"
-
 // An Error can represent any printable error condition.
 type Error interface {
 	String() string
@@ -26,63 +24,6 @@ func (e ErrorString) Timeout() bool   { return false }
 // NewError converts s to an ErrorString, which satisfies the Error interface.
 func NewError(s string) Error { return ErrorString(s) }
 
-// Errno is the Unix error number.  Names such as EINVAL are simple
-// wrappers to convert the error number into an Error.
-type Errno int64
-
-func (e Errno) String() string { return syscall.Errstr(int(e)) }
-
-func (e Errno) Temporary() bool {
-	return e == Errno(syscall.EINTR) || e.Timeout()
-}
-
-func (e Errno) Timeout() bool {
-	return e == Errno(syscall.EAGAIN) || e == Errno(syscall.EWOULDBLOCK) || e == Errno(syscall.ETIMEDOUT)
-}
-
-// Commonly known Unix errors.
-var (
-	EPERM        Error = Errno(syscall.EPERM)
-	ENOENT       Error = Errno(syscall.ENOENT)
-	ESRCH        Error = Errno(syscall.ESRCH)
-	EINTR        Error = Errno(syscall.EINTR)
-	EIO          Error = Errno(syscall.EIO)
-	ENXIO        Error = Errno(syscall.ENXIO)
-	E2BIG        Error = Errno(syscall.E2BIG)
-	ENOEXEC      Error = Errno(syscall.ENOEXEC)
-	EBADF        Error = Errno(syscall.EBADF)
-	ECHILD       Error = Errno(syscall.ECHILD)
-	EDEADLK      Error = Errno(syscall.EDEADLK)
-	ENOMEM       Error = Errno(syscall.ENOMEM)
-	EACCES       Error = Errno(syscall.EACCES)
-	EFAULT       Error = Errno(syscall.EFAULT)
-	EBUSY        Error = Errno(syscall.EBUSY)
-	EEXIST       Error = Errno(syscall.EEXIST)
-	EXDEV        Error = Errno(syscall.EXDEV)
-	ENODEV       Error = Errno(syscall.ENODEV)
-	ENOTDIR      Error = Errno(syscall.ENOTDIR)
-	EISDIR       Error = Errno(syscall.EISDIR)
-	EINVAL       Error = Errno(syscall.EINVAL)
-	ENFILE       Error = Errno(syscall.ENFILE)
-	EMFILE       Error = Errno(syscall.EMFILE)
-	ENOTTY       Error = Errno(syscall.ENOTTY)
-	EFBIG        Error = Errno(syscall.EFBIG)
-	ENOSPC       Error = Errno(syscall.ENOSPC)
-	ESPIPE       Error = Errno(syscall.ESPIPE)
-	EROFS        Error = Errno(syscall.EROFS)
-	EMLINK       Error = Errno(syscall.EMLINK)
-	EPIPE        Error = Errno(syscall.EPIPE)
-	EAGAIN       Error = Errno(syscall.EAGAIN)
-	EDOM         Error = Errno(syscall.EDOM)
-	ERANGE       Error = Errno(syscall.ERANGE)
-	EADDRINUSE   Error = Errno(syscall.EADDRINUSE)
-	ECONNREFUSED Error = Errno(syscall.ECONNREFUSED)
-	ENAMETOOLONG Error = Errno(syscall.ENAMETOOLONG)
-	EAFNOSUPPORT Error = Errno(syscall.EAFNOSUPPORT)
-	ETIMEDOUT    Error = Errno(syscall.ETIMEDOUT)
-	ENOTCONN     Error = Errno(syscall.ENOTCONN)
-)
-
 // PathError records an error and the operation and file path that caused it.
 type PathError struct {
 	Op    string
@@ -91,25 +32,3 @@ type PathError struct {
 }
 
 func (e *PathError) String() string { return e.Op + " " + e.Path + ": " + e.Error.String() }
-
-// SyscallError records an error from a specific system call.
-type SyscallError struct {
-	Syscall string
-	Errno   Errno
-}
-
-func (e *SyscallError) String() string { return e.Syscall + ": " + e.Errno.String() }
-
-// Note: If the name of the function NewSyscallError changes,
-// pkg/go/doc/doc.go should be adjusted since it hardwires
-// this name in a heuristic.
-
-// NewSyscallError returns, as an Error, a new SyscallError
-// with the given system call name and error number.
-// As a convenience, if errno is 0, NewSyscallError returns nil.
-func NewSyscallError(syscall string, errno int) Error {
-	if errno == 0 {
-		return nil
-	}
-	return &SyscallError{syscall, Errno(errno)}
-}
diff --git a/libgo/go/os/error_plan9.go b/libgo/go/os/error_plan9.go
new file mode 100644
index 0000000..d657586
--- /dev/null
+++ b/libgo/go/os/error_plan9.go
@@ -0,0 +1,57 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import syscall "syscall"
+
+// SyscallError records an error from a specific system call.
+type SyscallError struct {
+	Syscall string
+	Err     string
+}
+
+func (e *SyscallError) String() string { return e.Syscall + ": " + e.Err }
+
+// Note: If the name of the function NewSyscallError changes,
+// pkg/go/doc/doc.go should be adjusted since it hardwires
+// this name in a heuristic.
+
+// NewSyscallError returns, as an Error, a new SyscallError
+// with the given system call name and error details.
+// As a convenience, if err is nil, NewSyscallError returns nil.
+func NewSyscallError(syscall string, err syscall.Error) Error {
+	if err == nil {
+		return nil
+	}
+	return &SyscallError{syscall, err.String()}
+}
+
+var (
+	Eshortstat = NewError("stat buffer too small")
+	Ebadstat   = NewError("malformed stat buffer")
+	Ebadfd     = NewError("fd out of range or not open")
+	Ebadarg    = NewError("bad arg in system call")
+	Enotdir    = NewError("not a directory")
+	Enonexist  = NewError("file does not exist")
+	Eexist     = NewError("file already exists")
+	Eio        = NewError("i/o error")
+
+	EINVAL  = Ebadarg
+	ENOTDIR = Enotdir
+	ENOENT  = Enonexist
+	EEXIST  = Eexist
+	EIO     = Eio
+
+	ENAMETOOLONG = NewError("file name too long")
+	ERANGE       = NewError("math result not representable")
+	EPIPE        = NewError("Broken Pipe")
+	EPLAN9       = NewError("not supported by plan 9")
+)
+
+func iserror(err syscall.Error) bool {
+	return err != nil
+}
+
+func Errno(e syscall.Error) syscall.Error { return e }
diff --git a/libgo/go/os/error_posix.go b/libgo/go/os/error_posix.go
new file mode 100644
index 0000000..0ee34e4
--- /dev/null
+++ b/libgo/go/os/error_posix.go
@@ -0,0 +1,90 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import syscall "syscall"
+
+// Errno is the Unix error number.  Names such as EINVAL are simple
+// wrappers to convert the error number into an Error.
+type Errno int64
+
+func (e Errno) String() string { return syscall.Errstr(int(e)) }
+
+func (e Errno) Temporary() bool {
+	return e == Errno(syscall.EINTR) || e.Timeout()
+}
+
+func (e Errno) Timeout() bool {
+	return e == Errno(syscall.EAGAIN) || e == Errno(syscall.EWOULDBLOCK) || e == Errno(syscall.ETIMEDOUT)
+}
+
+// Commonly known Unix errors.
+var (
+	EPERM        Error = Errno(syscall.EPERM)
+	ENOENT       Error = Errno(syscall.ENOENT)
+	ESRCH        Error = Errno(syscall.ESRCH)
+	EINTR        Error = Errno(syscall.EINTR)
+	EIO          Error = Errno(syscall.EIO)
+	ENXIO        Error = Errno(syscall.ENXIO)
+	E2BIG        Error = Errno(syscall.E2BIG)
+	ENOEXEC      Error = Errno(syscall.ENOEXEC)
+	EBADF        Error = Errno(syscall.EBADF)
+	ECHILD       Error = Errno(syscall.ECHILD)
+	EDEADLK      Error = Errno(syscall.EDEADLK)
+	ENOMEM       Error = Errno(syscall.ENOMEM)
+	EACCES       Error = Errno(syscall.EACCES)
+	EFAULT       Error = Errno(syscall.EFAULT)
+	EBUSY        Error = Errno(syscall.EBUSY)
+	EEXIST       Error = Errno(syscall.EEXIST)
+	EXDEV        Error = Errno(syscall.EXDEV)
+	ENODEV       Error = Errno(syscall.ENODEV)
+	ENOTDIR      Error = Errno(syscall.ENOTDIR)
+	EISDIR       Error = Errno(syscall.EISDIR)
+	EINVAL       Error = Errno(syscall.EINVAL)
+	ENFILE       Error = Errno(syscall.ENFILE)
+	EMFILE       Error = Errno(syscall.EMFILE)
+	ENOTTY       Error = Errno(syscall.ENOTTY)
+	EFBIG        Error = Errno(syscall.EFBIG)
+	ENOSPC       Error = Errno(syscall.ENOSPC)
+	ESPIPE       Error = Errno(syscall.ESPIPE)
+	EROFS        Error = Errno(syscall.EROFS)
+	EMLINK       Error = Errno(syscall.EMLINK)
+	EPIPE        Error = Errno(syscall.EPIPE)
+	EAGAIN       Error = Errno(syscall.EAGAIN)
+	EDOM         Error = Errno(syscall.EDOM)
+	ERANGE       Error = Errno(syscall.ERANGE)
+	EADDRINUSE   Error = Errno(syscall.EADDRINUSE)
+	ECONNREFUSED Error = Errno(syscall.ECONNREFUSED)
+	ENAMETOOLONG Error = Errno(syscall.ENAMETOOLONG)
+	EAFNOSUPPORT Error = Errno(syscall.EAFNOSUPPORT)
+	ETIMEDOUT    Error = Errno(syscall.ETIMEDOUT)
+	ENOTCONN     Error = Errno(syscall.ENOTCONN)
+)
+
+// SyscallError records an error from a specific system call.
+type SyscallError struct {
+	Syscall string
+	Errno   Errno
+}
+
+func (e *SyscallError) String() string { return e.Syscall + ": " + e.Errno.String() }
+
+// Note: If the name of the function NewSyscallError changes,
+// pkg/go/doc/doc.go should be adjusted since it hardwires
+// this name in a heuristic.
+
+// NewSyscallError returns, as an Error, a new SyscallError
+// with the given system call name and error details.
+// As a convenience, if errno is 0, NewSyscallError returns nil.
+func NewSyscallError(syscall string, errno int) Error {
+	if errno == 0 {
+		return nil
+	}
+	return &SyscallError{syscall, Errno(errno)}
+}
+
+func iserror(errno int) bool {
+	return errno != 0
+}
diff --git a/libgo/go/os/exec.go b/libgo/go/os/exec.go
index 9d80ccf..f62caf9 100644
--- a/libgo/go/os/exec.go
+++ b/libgo/go/os/exec.go
@@ -39,126 +39,6 @@ type ProcAttr struct {
 	Files []*File
 }
 
-// StartProcess starts a new process with the program, arguments and attributes
-// specified by name, argv and attr.
-func StartProcess(name string, argv []string, attr *ProcAttr) (p *Process, err Error) {
-	sysattr := &syscall.ProcAttr{
-		Dir: attr.Dir,
-		Env: attr.Env,
-	}
-	if sysattr.Env == nil {
-		sysattr.Env = Environ()
-	}
-	// Create array of integer (system) fds.
-	intfd := make([]int, len(attr.Files))
-	for i, f := range attr.Files {
-		if f == nil {
-			intfd[i] = -1
-		} else {
-			intfd[i] = f.Fd()
-		}
-	}
-	sysattr.Files = intfd
-
-	pid, h, e := syscall.StartProcess(name, argv, sysattr)
-	if e != 0 {
-		return nil, &PathError{"fork/exec", name, Errno(e)}
-	}
-	return newProcess(pid, h), nil
-}
-
-// Exec replaces the current process with an execution of the
-// named binary, with arguments argv and environment envv.
-// If successful, Exec never returns.  If it fails, it returns an Error.
-// StartProcess is almost always a better way to execute a program.
-func Exec(name string, argv []string, envv []string) Error {
-	if envv == nil {
-		envv = Environ()
-	}
-	e := syscall.Exec(name, argv, envv)
-	if e != 0 {
-		return &PathError{"exec", name, Errno(e)}
-	}
-	return nil
-}
-
-// TODO(rsc): Should os implement its own syscall.WaitStatus
-// wrapper with the methods, or is exposing the underlying one enough?
-//
-// TODO(rsc): Certainly need to have Rusage struct,
-// since syscall one might have different field types across
-// different OS.
-
-// Waitmsg stores the information about an exited process as reported by Wait.
-type Waitmsg struct {
-	Pid                int             // The process's id.
-	syscall.WaitStatus                 // System-dependent status info.
-	Rusage             *syscall.Rusage // System-dependent resource usage info.
-}
-
-// Wait waits for process pid to exit or stop, and then returns a
-// Waitmsg describing its status and an Error, if any. The options
-// (WNOHANG etc.) affect the behavior of the Wait call.
-// Wait is equivalent to calling FindProcess and then Wait
-// and Release on the result.
-func Wait(pid int, options int) (w *Waitmsg, err Error) {
-	p, e := FindProcess(pid)
-	if e != nil {
-		return nil, e
-	}
-	defer p.Release()
-	return p.Wait(options)
-}
-
-// Convert i to decimal string.
-func itod(i int) string {
-	if i == 0 {
-		return "0"
-	}
-
-	u := uint64(i)
-	if i < 0 {
-		u = -u
-	}
-
-	// Assemble decimal in reverse order.
-	var b [32]byte
-	bp := len(b)
-	for ; u > 0; u /= 10 {
-		bp--
-		b[bp] = byte(u%10) + '0'
-	}
-
-	if i < 0 {
-		bp--
-		b[bp] = '-'
-	}
-
-	return string(b[bp:])
-}
-
-func (w Waitmsg) String() string {
-	// TODO(austin) Use signal names when possible?
-	res := ""
-	switch {
-	case w.Exited():
-		res = "exit status " + itod(w.ExitStatus())
-	case w.Signaled():
-		res = "signal " + itod(w.Signal())
-	case w.Stopped():
-		res = "stop signal " + itod(w.StopSignal())
-		if w.StopSignal() == syscall.SIGTRAP && w.TrapCause() != 0 {
-			res += " (trap " + itod(w.TrapCause()) + ")"
-		}
-	case w.Continued():
-		res = "continued"
-	}
-	if w.CoreDump() {
-		res += " (core dumped)"
-	}
-	return res
-}
-
 // Getpid returns the process id of the caller.
 func Getpid() int { return syscall.Getpid() }
 
diff --git a/libgo/go/os/exec_plan9.go b/libgo/go/os/exec_plan9.go
new file mode 100644
index 0000000..11874ab
--- /dev/null
+++ b/libgo/go/os/exec_plan9.go
@@ -0,0 +1,114 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import (
+	"runtime"
+	"syscall"
+)
+
+// StartProcess starts a new process with the program, arguments and attributes
+// specified by name, argv and attr.
+func StartProcess(name string, argv []string, attr *ProcAttr) (p *Process, err Error) {
+	sysattr := &syscall.ProcAttr{
+		Dir: attr.Dir,
+		Env: attr.Env,
+	}
+
+	// Create array of integer (system) fds.
+	intfd := make([]int, len(attr.Files))
+	for i, f := range attr.Files {
+		if f == nil {
+			intfd[i] = -1
+		} else {
+			intfd[i] = f.Fd()
+		}
+	}
+
+	sysattr.Files = intfd
+
+	pid, h, e := syscall.StartProcess(name, argv, sysattr)
+	if iserror(e) {
+		return nil, &PathError{"fork/exec", name, e}
+	}
+
+	return newProcess(pid, h), nil
+}
+
+// Exec replaces the current process with an execution of the
+// named binary, with arguments argv and environment envv.
+// If successful, Exec never returns.  If it fails, it returns an Error.
+// ForkExec is almost always a better way to execute a program.
+func Exec(name string, argv []string, envv []string) Error {
+	e := syscall.Exec(name, argv, envv)
+	if iserror(e) {
+		return &PathError{"exec", name, e}
+	}
+
+	return nil
+}
+
+// Waitmsg stores the information about an exited process as reported by Wait.
+type Waitmsg syscall.Waitmsg
+
+// Wait waits for the Process to exit or stop, and then returns a
+// Waitmsg describing its status and an Error, if any. The options
+// (WNOHANG etc.) affect the behavior of the Wait call.
+func (p *Process) Wait(options int) (w *Waitmsg, err Error) {
+	var waitmsg syscall.Waitmsg
+
+	if p.Pid == -1 {
+		return nil, EINVAL
+	}
+
+	for true {
+		err = syscall.Await(&waitmsg)
+
+		if iserror(err) {
+			return nil, NewSyscallError("wait", err)
+		}
+
+		if waitmsg.Pid == p.Pid {
+			break
+		}
+	}
+
+	return (*Waitmsg)(&waitmsg), nil
+}
+
+// Wait waits for process pid to exit or stop, and then returns a
+// Waitmsg describing its status and an Error, if any. The options
+// (WNOHANG etc.) affect the behavior of the Wait call.
+// Wait is equivalent to calling FindProcess and then Wait
+// and Release on the result.
+func Wait(pid int, options int) (w *Waitmsg, err Error) {
+	p, e := FindProcess(pid)
+	if e != nil {
+		return nil, e
+	}
+	defer p.Release()
+	return p.Wait(options)
+}
+
+// Release releases any resources associated with the Process.
+func (p *Process) Release() Error {
+	// NOOP for Plan 9.
+	p.Pid = -1
+	// no need for a finalizer anymore
+	runtime.SetFinalizer(p, nil)
+	return nil
+}
+
+// FindProcess looks for a running process by its pid.
+// The Process it returns can be used to obtain information
+// about the underlying operating system process.
+func FindProcess(pid int) (p *Process, err Error) {
+	// NOOP for Plan 9.
+	return newProcess(pid, 0), nil
+}
+
+func (w Waitmsg) String() string {
+	return "exit status: " + w.Msg
+}
diff --git a/libgo/go/os/exec_posix.go b/libgo/go/os/exec_posix.go
new file mode 100644
index 0000000..9102dc0
--- /dev/null
+++ b/libgo/go/os/exec_posix.go
@@ -0,0 +1,127 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import "syscall"
+
+// StartProcess starts a new process with the program, arguments and attributes
+// specified by name, argv and attr.
+func StartProcess(name string, argv []string, attr *ProcAttr) (p *Process, err Error) {
+	sysattr := &syscall.ProcAttr{
+		Dir: attr.Dir,
+		Env: attr.Env,
+	}
+	if sysattr.Env == nil {
+		sysattr.Env = Environ()
+	}
+	// Create array of integer (system) fds.
+	intfd := make([]int, len(attr.Files))
+	for i, f := range attr.Files {
+		if f == nil {
+			intfd[i] = -1
+		} else {
+			intfd[i] = f.Fd()
+		}
+	}
+	sysattr.Files = intfd
+
+	pid, h, e := syscall.StartProcess(name, argv, sysattr)
+	if iserror(e) {
+		return nil, &PathError{"fork/exec", name, Errno(e)}
+	}
+	return newProcess(pid, h), nil
+}
+
+// Exec replaces the current process with an execution of the
+// named binary, with arguments argv and environment envv.
+// If successful, Exec never returns.  If it fails, it returns an Error.
+// StartProcess is almost always a better way to execute a program.
+func Exec(name string, argv []string, envv []string) Error {
+	if envv == nil {
+		envv = Environ()
+	}
+	e := syscall.Exec(name, argv, envv)
+	if iserror(e) {
+		return &PathError{"exec", name, Errno(e)}
+	}
+	return nil
+}
+
+// TODO(rsc): Should os implement its own syscall.WaitStatus
+// wrapper with the methods, or is exposing the underlying one enough?
+//
+// TODO(rsc): Certainly need to have Rusage struct,
+// since syscall one might have different field types across
+// different OS.
+
+// Waitmsg stores the information about an exited process as reported by Wait.
+type Waitmsg struct {
+	Pid                int             // The process's id.
+	syscall.WaitStatus                 // System-dependent status info.
+	Rusage             *syscall.Rusage // System-dependent resource usage info.
+}
+
+// Wait waits for process pid to exit or stop, and then returns a
+// Waitmsg describing its status and an Error, if any. The options
+// (WNOHANG etc.) affect the behavior of the Wait call.
+// Wait is equivalent to calling FindProcess and then Wait
+// and Release on the result.
+func Wait(pid int, options int) (w *Waitmsg, err Error) {
+	p, e := FindProcess(pid)
+	if e != nil {
+		return nil, e
+	}
+	defer p.Release()
+	return p.Wait(options)
+}
+
+// Convert i to decimal string.
+func itod(i int) string {
+	if i == 0 {
+		return "0"
+	}
+
+	u := uint64(i)
+	if i < 0 {
+		u = -u
+	}
+
+	// Assemble decimal in reverse order.
+	var b [32]byte
+	bp := len(b)
+	for ; u > 0; u /= 10 {
+		bp--
+		b[bp] = byte(u%10) + '0'
+	}
+
+	if i < 0 {
+		bp--
+		b[bp] = '-'
+	}
+
+	return string(b[bp:])
+}
+
+func (w Waitmsg) String() string {
+	// TODO(austin) Use signal names when possible?
+	res := ""
+	switch {
+	case w.Exited():
+		res = "exit status " + itod(w.ExitStatus())
+	case w.Signaled():
+		res = "signal " + itod(w.Signal())
+	case w.Stopped():
+		res = "stop signal " + itod(w.StopSignal())
+		if w.StopSignal() == syscall.SIGTRAP && w.TrapCause() != 0 {
+			res += " (trap " + itod(w.TrapCause()) + ")"
+		}
+	case w.Continued():
+		res = "continued"
+	}
+	if w.CoreDump() {
+		res += " (core dumped)"
+	}
+	return res
+}
diff --git a/libgo/go/os/file.go b/libgo/go/os/file.go
index 3f73f1d..3aad802 100644
--- a/libgo/go/os/file.go
+++ b/libgo/go/os/file.go
@@ -51,14 +51,20 @@ const (
 	O_RDWR     int = syscall.O_RDWR     // open the file read-write.
 	O_APPEND   int = syscall.O_APPEND   // append data to the file when writing.
 	O_ASYNC    int = syscall.O_ASYNC    // generate a signal when I/O is available.
-	O_CREAT    int = syscall.O_CREAT    // create a new file if none exists.
-	O_EXCL     int = syscall.O_EXCL     // used with O_CREAT, file must not exist
+	O_CREATE   int = syscall.O_CREAT    // create a new file if none exists.
+	O_EXCL     int = syscall.O_EXCL     // used with O_CREATE, file must not exist
 	O_NOCTTY   int = syscall.O_NOCTTY   // do not make file the controlling tty.
 	O_NONBLOCK int = syscall.O_NONBLOCK // open in non-blocking mode.
 	O_NDELAY   int = O_NONBLOCK         // synonym for O_NONBLOCK
 	O_SYNC     int = syscall.O_SYNC     // open for synchronous I/O.
 	O_TRUNC    int = syscall.O_TRUNC    // if possible, truncate file when opened.
-	O_CREATE   int = O_CREAT            // create a new file if none exists.
+)
+
+// Seek whence values.
+const (
+	SEEK_SET int = 0 // seek relative to the origin of the file
+	SEEK_CUR int = 1 // seek relative to the current offset
+	SEEK_END int = 2 // seek relative to the end
 )
 
 type eofError int
@@ -83,10 +89,10 @@ func (file *File) Read(b []byte) (n int, err Error) {
 	if n < 0 {
 		n = 0
 	}
-	if n == 0 && e == 0 {
+	if n == 0 && !iserror(e) {
 		return 0, EOF
 	}
-	if e != 0 {
+	if iserror(e) {
 		err = &PathError{"read", file.name, Errno(e)}
 	}
 	return n, err
@@ -102,10 +108,10 @@ func (file *File) ReadAt(b []byte, off int64) (n int, err Error) {
 	}
 	for len(b) > 0 {
 		m, e := syscall.Pread(file.fd, b, off)
-		if m == 0 && e == 0 {
+		if m == 0 && !iserror(e) {
 			return n, EOF
 		}
-		if e != 0 {
+		if iserror(e) {
 			err = &PathError{"read", file.name, Errno(e)}
 			break
 		}
@@ -127,15 +133,10 @@ func (file *File) Write(b []byte) (n int, err Error) {
 	if n < 0 {
 		n = 0
 	}
-	if e == syscall.EPIPE {
-		file.nepipe++
-		if file.nepipe >= 10 {
-			Exit(syscall.EPIPE)
-		}
-	} else {
-		file.nepipe = 0
-	}
-	if e != 0 {
+
+	epipecheck(file, e)
+
+	if iserror(e) {
 		err = &PathError{"write", file.name, Errno(e)}
 	}
 	return n, err
@@ -150,7 +151,7 @@ func (file *File) WriteAt(b []byte, off int64) (n int, err Error) {
 	}
 	for len(b) > 0 {
 		m, e := syscall.Pwrite(file.fd, b, off)
-		if e != 0 {
+		if iserror(e) {
 			err = &PathError{"write", file.name, Errno(e)}
 			break
 		}
@@ -167,10 +168,10 @@ func (file *File) WriteAt(b []byte, off int64) (n int, err Error) {
 // It returns the new offset and an Error, if any.
 func (file *File) Seek(offset int64, whence int) (ret int64, err Error) {
 	r, e := syscall.Seek(file.fd, offset, whence)
-	if e == 0 && file.dirinfo != nil && r != 0 {
+	if !iserror(e) && file.dirinfo != nil && r != 0 {
 		e = syscall.EISDIR
 	}
-	if e != 0 {
+	if iserror(e) {
 		return 0, &PathError{"seek", file.name, Errno(e)}
 	}
 	return r, nil
@@ -187,71 +188,19 @@ func (file *File) WriteString(s string) (ret int, err Error) {
 	return file.Write(b)
 }
 
-// Pipe returns a connected pair of Files; reads from r return bytes written to w.
-// It returns the files and an Error, if any.
-func Pipe() (r *File, w *File, err Error) {
-	var p [2]int
-
-	// See ../syscall/exec.go for description of lock.
-	syscall.ForkLock.RLock()
-	e := syscall.Pipe(p[0:])
-	if e != 0 {
-		syscall.ForkLock.RUnlock()
-		return nil, nil, NewSyscallError("pipe", e)
-	}
-	syscall.CloseOnExec(p[0])
-	syscall.CloseOnExec(p[1])
-	syscall.ForkLock.RUnlock()
-
-	return NewFile(p[0], "|0"), NewFile(p[1], "|1"), nil
-}
-
 // Mkdir creates a new directory with the specified name and permission bits.
 // It returns an error, if any.
 func Mkdir(name string, perm uint32) Error {
 	e := syscall.Mkdir(name, perm)
-	if e != 0 {
+	if iserror(e) {
 		return &PathError{"mkdir", name, Errno(e)}
 	}
 	return nil
 }
 
-// Stat returns a FileInfo structure describing the named file and an error, if any.
-// If name names a valid symbolic link, the returned FileInfo describes
-// the file pointed at by the link and has fi.FollowedSymlink set to true.
-// If name names an invalid symbolic link, the returned FileInfo describes
-// the link itself and has fi.FollowedSymlink set to false.
-func Stat(name string) (fi *FileInfo, err Error) {
-	var lstat, stat syscall.Stat_t
-	e := syscall.Lstat(name, &lstat)
-	if e != 0 {
-		return nil, &PathError{"stat", name, Errno(e)}
-	}
-	statp := &lstat
-	if lstat.Mode&syscall.S_IFMT == syscall.S_IFLNK {
-		e := syscall.Stat(name, &stat)
-		if e == 0 {
-			statp = &stat
-		}
-	}
-	return fileInfoFromStat(name, new(FileInfo), &lstat, statp), nil
-}
-
-// Lstat returns the FileInfo structure describing the named file and an
-// error, if any.  If the file is a symbolic link, the returned FileInfo
-// describes the symbolic link.  Lstat makes no attempt to follow the link.
-func Lstat(name string) (fi *FileInfo, err Error) {
-	var stat syscall.Stat_t
-	e := syscall.Lstat(name, &stat)
-	if e != 0 {
-		return nil, &PathError{"lstat", name, Errno(e)}
-	}
-	return fileInfoFromStat(name, new(FileInfo), &stat, &stat), nil
-}
-
 // Chdir changes the current working directory to the named directory.
 func Chdir(dir string) Error {
-	if e := syscall.Chdir(dir); e != 0 {
+	if e := syscall.Chdir(dir); iserror(e) {
 		return &PathError{"chdir", dir, Errno(e)}
 	}
 	return nil
@@ -260,179 +209,25 @@ func Chdir(dir string) Error {
 // Chdir changes the current working directory to the file,
 // which must be a directory.
 func (f *File) Chdir() Error {
-	if e := syscall.Fchdir(f.fd); e != 0 {
+	if e := syscall.Fchdir(f.fd); iserror(e) {
 		return &PathError{"chdir", f.name, Errno(e)}
 	}
 	return nil
 }
 
-// Remove removes the named file or directory.
-func Remove(name string) Error {
-	// System call interface forces us to know
-	// whether name is a file or directory.
-	// Try both: it is cheaper on average than
-	// doing a Stat plus the right one.
-	e := syscall.Unlink(name)
-	if e == 0 {
-		return nil
-	}
-	e1 := syscall.Rmdir(name)
-	if e1 == 0 {
-		return nil
-	}
-
-	// Both failed: figure out which error to return.
-	// OS X and Linux differ on whether unlink(dir)
-	// returns EISDIR, so can't use that.  However,
-	// both agree that rmdir(file) returns ENOTDIR,
-	// so we can use that to decide which error is real.
-	// Rmdir might also return ENOTDIR if given a bad
-	// file path, like /etc/passwd/foo, but in that case,
-	// both errors will be ENOTDIR, so it's okay to
-	// use the error from unlink.
-	// For windows syscall.ENOTDIR is set
-	// to syscall.ERROR_DIRECTORY, hopefully it should
-	// do the trick.
-	if e1 != syscall.ENOTDIR {
-		e = e1
-	}
-	return &PathError{"remove", name, Errno(e)}
-}
-
-// LinkError records an error during a link or symlink or rename
-// system call and the paths that caused it.
-type LinkError struct {
-	Op    string
-	Old   string
-	New   string
-	Error Error
-}
-
-func (e *LinkError) String() string {
-	return e.Op + " " + e.Old + " " + e.New + ": " + e.Error.String()
+// Open opens the named file for reading.  If successful, methods on
+// the returned file can be used for reading; the associated file
+// descriptor has mode O_RDONLY.
+// It returns the File and an Error, if any.
+func Open(name string) (file *File, err Error) {
+	return OpenFile(name, O_RDONLY, 0)
 }
 
-// Link creates a hard link.
-func Link(oldname, newname string) Error {
-	e := syscall.Link(oldname, newname)
-	if e != 0 {
-		return &LinkError{"link", oldname, newname, Errno(e)}
-	}
-	return nil
-}
-
-// Symlink creates a symbolic link.
-func Symlink(oldname, newname string) Error {
-	e := syscall.Symlink(oldname, newname)
-	if e != 0 {
-		return &LinkError{"symlink", oldname, newname, Errno(e)}
-	}
-	return nil
-}
-
-// Readlink reads the contents of a symbolic link: the destination of
-// the link.  It returns the contents and an Error, if any.
-func Readlink(name string) (string, Error) {
-	for len := 128; ; len *= 2 {
-		b := make([]byte, len)
-		n, e := syscall.Readlink(name, b)
-		if e != 0 {
-			return "", &PathError{"readlink", name, Errno(e)}
-		}
-		if n < len {
-			return string(b[0:n]), nil
-		}
-	}
-	// Silence 6g.
-	return "", nil
-}
-
-// Rename renames a file.
-func Rename(oldname, newname string) Error {
-	e := syscall.Rename(oldname, newname)
-	if e != 0 {
-		return &LinkError{"rename", oldname, newname, Errno(e)}
-	}
-	return nil
-}
-
-// Chmod changes the mode of the named file to mode.
-// If the file is a symbolic link, it changes the mode of the link's target.
-func Chmod(name string, mode uint32) Error {
-	if e := syscall.Chmod(name, mode); e != 0 {
-		return &PathError{"chmod", name, Errno(e)}
-	}
-	return nil
-}
-
-// Chmod changes the mode of the file to mode.
-func (f *File) Chmod(mode uint32) Error {
-	if e := syscall.Fchmod(f.fd, mode); e != 0 {
-		return &PathError{"chmod", f.name, Errno(e)}
-	}
-	return nil
-}
-
-// Chown changes the numeric uid and gid of the named file.
-// If the file is a symbolic link, it changes the uid and gid of the link's target.
-func Chown(name string, uid, gid int) Error {
-	if e := syscall.Chown(name, uid, gid); e != 0 {
-		return &PathError{"chown", name, Errno(e)}
-	}
-	return nil
-}
-
-// Lchown changes the numeric uid and gid of the named file.
-// If the file is a symbolic link, it changes the uid and gid of the link itself.
-func Lchown(name string, uid, gid int) Error {
-	if e := syscall.Lchown(name, uid, gid); e != 0 {
-		return &PathError{"lchown", name, Errno(e)}
-	}
-	return nil
-}
-
-// Chown changes the numeric uid and gid of the named file.
-func (f *File) Chown(uid, gid int) Error {
-	if e := syscall.Fchown(f.fd, uid, gid); e != 0 {
-		return &PathError{"chown", f.name, Errno(e)}
-	}
-	return nil
-}
-
-// Truncate changes the size of the file.
-// It does not change the I/O offset.
-func (f *File) Truncate(size int64) Error {
-	if e := syscall.Ftruncate(f.fd, size); e != 0 {
-		return &PathError{"truncate", f.name, Errno(e)}
-	}
-	return nil
-}
-
-// Sync commits the current contents of the file to stable storage.
-// Typically, this means flushing the file system's in-memory copy
-// of recently written data to disk.
-func (file *File) Sync() (err Error) {
-	if file == nil {
-		return EINVAL
-	}
-	if e := syscall.Fsync(file.fd); e != 0 {
-		return NewSyscallError("fsync", e)
-	}
-	return nil
-}
-
-// Chtimes changes the access and modification times of the named
-// file, similar to the Unix utime() or utimes() functions.
-//
-// The argument times are in nanoseconds, although the underlying
-// filesystem may truncate or round the values to a more
-// coarse time unit.
-func Chtimes(name string, atime_ns int64, mtime_ns int64) Error {
-	var utimes [2]syscall.Timeval
-	utimes[0] = syscall.NsecToTimeval(atime_ns)
-	utimes[1] = syscall.NsecToTimeval(mtime_ns)
-	if e := syscall.Utimes(name, utimes[0:]); e != 0 {
-		return &PathError{"chtimes", name, Errno(e)}
-	}
-	return nil
+// Create creates the named file mode 0666 (before umask), truncating
+// it if it already exists.  If successful, methods on the returned
+// File can be used for I/O; the associated file descriptor has mode
+// O_RDWR.
+// It returns the File and an Error, if any.
+func Create(name string) (file *File, err Error) {
+	return OpenFile(name, O_RDWR|O_CREATE|O_TRUNC, 0666)
 }
diff --git a/libgo/go/os/file_plan9.go b/libgo/go/os/file_plan9.go
new file mode 100644
index 0000000..b79256c5
--- /dev/null
+++ b/libgo/go/os/file_plan9.go
@@ -0,0 +1,233 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import (
+	"runtime"
+	"syscall"
+)
+
+func epipecheck(file *File, e syscall.Error) {
+}
+
+
+// DevNull is the name of the operating system's ``null device.''
+// On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
+const DevNull = "/dev/null"
+
+// OpenFile is the generalized open call; most users will use Open
+// or Create instead.  It opens the named file with specified flag
+// (O_RDONLY etc.) and perm, (0666 etc.) if applicable.  If successful,
+// methods on the returned File can be used for I/O.
+// It returns the File and an Error, if any.
+func OpenFile(name string, flag int, perm uint32) (file *File, err Error) {
+	var fd int
+	var e syscall.Error
+
+	syscall.ForkLock.RLock()
+	if flag&O_CREATE == O_CREATE {
+		fd, e = syscall.Create(name, flag & ^O_CREATE, perm)
+	} else {
+		fd, e = syscall.Open(name, flag)
+	}
+	syscall.ForkLock.RUnlock()
+
+	if e != nil {
+		return nil, &PathError{"open", name, e}
+	}
+
+	return NewFile(fd, name), nil
+}
+
+// Close closes the File, rendering it unusable for I/O.
+// It returns an Error, if any.
+func (file *File) Close() Error {
+	if file == nil || file.fd < 0 {
+		return Ebadfd
+	}
+	var err Error
+	syscall.ForkLock.RLock()
+	if e := syscall.Close(file.fd); e != nil {
+		err = &PathError{"close", file.name, e}
+	}
+	syscall.ForkLock.RUnlock()
+	file.fd = -1 // so it can't be closed again
+
+	// no need for a finalizer anymore
+	runtime.SetFinalizer(file, nil)
+	return err
+}
+
+// Stat returns the FileInfo structure describing file.
+// It returns the FileInfo and an error, if any.
+func (file *File) Stat() (fi *FileInfo, err Error) {
+	return dirstat(file)
+}
+
+// Truncate changes the size of the file.
+// It does not change the I/O offset.
+func (f *File) Truncate(size int64) Error {
+	var d Dir
+	d.Null()
+
+	d.Length = uint64(size)
+
+	if e := syscall.Fwstat(f.fd, pdir(nil, &d)); iserror(e) {
+		return &PathError{"truncate", f.name, e}
+	}
+	return nil
+}
+
+// Chmod changes the mode of the file to mode.
+func (f *File) Chmod(mode uint32) Error {
+	var d Dir
+	d.Null()
+
+	d.Mode = mode & 0777
+
+	if e := syscall.Fwstat(f.fd, pdir(nil, &d)); iserror(e) {
+		return &PathError{"chmod", f.name, e}
+	}
+	return nil
+}
+
+// Sync commits the current contents of the file to stable storage.
+// Typically, this means flushing the file system's in-memory copy
+// of recently written data to disk.
+func (f *File) Sync() (err Error) {
+	if f == nil {
+		return EINVAL
+	}
+
+	var d Dir
+	d.Null()
+
+	if e := syscall.Fwstat(f.fd, pdir(nil, &d)); iserror(e) {
+		return NewSyscallError("fsync", e)
+	}
+	return nil
+}
+
+// Truncate changes the size of the named file.
+// If the file is a symbolic link, it changes the size of the link's target.
+func Truncate(name string, size int64) Error {
+	var d Dir
+	d.Null()
+
+	d.Length = uint64(size)
+
+	if e := syscall.Wstat(name, pdir(nil, &d)); iserror(e) {
+		return &PathError{"truncate", name, e}
+	}
+	return nil
+}
+
+// Remove removes the named file or directory.
+func Remove(name string) Error {
+	if e := syscall.Remove(name); iserror(e) {
+		return &PathError{"remove", name, e}
+	}
+	return nil
+}
+
+// Rename renames a file.
+func Rename(oldname, newname string) Error {
+	var d Dir
+	d.Null()
+
+	d.Name = newname
+
+	if e := syscall.Wstat(oldname, pdir(nil, &d)); iserror(e) {
+		return &PathError{"rename", oldname, e}
+	}
+	return nil
+}
+
+// Chmod changes the mode of the named file to mode.
+func Chmod(name string, mode uint32) Error {
+	var d Dir
+	d.Null()
+
+	d.Mode = mode & 0777
+
+	if e := syscall.Wstat(name, pdir(nil, &d)); iserror(e) {
+		return &PathError{"chmod", name, e}
+	}
+	return nil
+}
+
+// ChownPlan9 changes the uid and gid strings of the named file.
+func ChownPlan9(name, uid, gid string) Error {
+	var d Dir
+	d.Null()
+
+	d.Uid = uid
+	d.Gid = gid
+
+	if e := syscall.Wstat(name, pdir(nil, &d)); iserror(e) {
+		return &PathError{"chown_plan9", name, e}
+	}
+	return nil
+}
+
+// Chtimes changes the access and modification times of the named
+// file, similar to the Unix utime() or utimes() functions.
+//
+// The argument times are in nanoseconds, although the underlying
+// filesystem may truncate or round the values to a more
+// coarse time unit.
+func Chtimes(name string, atimeNs int64, mtimeNs int64) Error {
+	var d Dir
+	d.Null()
+
+	d.Atime = uint32(atimeNs / 1e9)
+	d.Mtime = uint32(mtimeNs / 1e9)
+
+	if e := syscall.Wstat(name, pdir(nil, &d)); iserror(e) {
+		return &PathError{"chtimes", name, e}
+	}
+	return nil
+}
+
+func Pipe() (r *File, w *File, err Error) {
+	var p [2]int
+
+	syscall.ForkLock.RLock()
+	if e := syscall.Pipe(p[0:]); iserror(e) {
+		syscall.ForkLock.RUnlock()
+		return nil, nil, NewSyscallError("pipe", e)
+	}
+	syscall.ForkLock.RUnlock()
+
+	return NewFile(p[0], "|0"), NewFile(p[1], "|1"), nil
+}
+
+
+// not supported on Plan 9
+
+// Link creates a hard link.
+func Link(oldname, newname string) Error {
+	return EPLAN9
+}
+
+func Symlink(oldname, newname string) Error {
+	return EPLAN9
+}
+
+func Readlink(name string) (string, Error) {
+	return "", EPLAN9
+}
+
+func Chown(name string, uid, gid int) Error {
+	return EPLAN9
+}
+
+func Lchown(name string, uid, gid int) Error {
+	return EPLAN9
+}
+
+func (f *File) Chown(uid, gid int) Error {
+	return EPLAN9
+}
diff --git a/libgo/go/os/file_posix.go b/libgo/go/os/file_posix.go
new file mode 100644
index 0000000..5151df4
--- /dev/null
+++ b/libgo/go/os/file_posix.go
@@ -0,0 +1,246 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The os package provides a platform-independent interface to operating
+// system functionality.  The design is Unix-like.
+package os
+
+import (
+	"syscall"
+)
+
+func epipecheck(file *File, e int) {
+	if e == syscall.EPIPE {
+		file.nepipe++
+		if file.nepipe >= 10 {
+			Exit(syscall.EPIPE)
+		}
+	} else {
+		file.nepipe = 0
+	}
+}
+
+
+// Pipe returns a connected pair of Files; reads from r return bytes written to w.
+// It returns the files and an Error, if any.
+func Pipe() (r *File, w *File, err Error) {
+	var p [2]int
+
+	// See ../syscall/exec.go for description of lock.
+	syscall.ForkLock.RLock()
+	e := syscall.Pipe(p[0:])
+	if iserror(e) {
+		syscall.ForkLock.RUnlock()
+		return nil, nil, NewSyscallError("pipe", e)
+	}
+	syscall.CloseOnExec(p[0])
+	syscall.CloseOnExec(p[1])
+	syscall.ForkLock.RUnlock()
+
+	return NewFile(p[0], "|0"), NewFile(p[1], "|1"), nil
+}
+
+// Stat returns a FileInfo structure describing the named file and an error, if any.
+// If name names a valid symbolic link, the returned FileInfo describes
+// the file pointed at by the link and has fi.FollowedSymlink set to true.
+// If name names an invalid symbolic link, the returned FileInfo describes
+// the link itself and has fi.FollowedSymlink set to false.
+func Stat(name string) (fi *FileInfo, err Error) {
+	var lstat, stat syscall.Stat_t
+	e := syscall.Lstat(name, &lstat)
+	if iserror(e) {
+		return nil, &PathError{"stat", name, Errno(e)}
+	}
+	statp := &lstat
+	if lstat.Mode&syscall.S_IFMT == syscall.S_IFLNK {
+		e := syscall.Stat(name, &stat)
+		if !iserror(e) {
+			statp = &stat
+		}
+	}
+	return fileInfoFromStat(name, new(FileInfo), &lstat, statp), nil
+}
+
+// Lstat returns the FileInfo structure describing the named file and an
+// error, if any.  If the file is a symbolic link, the returned FileInfo
+// describes the symbolic link.  Lstat makes no attempt to follow the link.
+func Lstat(name string) (fi *FileInfo, err Error) {
+	var stat syscall.Stat_t
+	e := syscall.Lstat(name, &stat)
+	if iserror(e) {
+		return nil, &PathError{"lstat", name, Errno(e)}
+	}
+	return fileInfoFromStat(name, new(FileInfo), &stat, &stat), nil
+}
+
+// Remove removes the named file or directory.
+func Remove(name string) Error {
+	// System call interface forces us to know
+	// whether name is a file or directory.
+	// Try both: it is cheaper on average than
+	// doing a Stat plus the right one.
+	e := syscall.Unlink(name)
+	if !iserror(e) {
+		return nil
+	}
+	e1 := syscall.Rmdir(name)
+	if !iserror(e1) {
+		return nil
+	}
+
+	// Both failed: figure out which error to return.
+	// OS X and Linux differ on whether unlink(dir)
+	// returns EISDIR, so can't use that.  However,
+	// both agree that rmdir(file) returns ENOTDIR,
+	// so we can use that to decide which error is real.
+	// Rmdir might also return ENOTDIR if given a bad
+	// file path, like /etc/passwd/foo, but in that case,
+	// both errors will be ENOTDIR, so it's okay to
+	// use the error from unlink.
+	// For windows syscall.ENOTDIR is set
+	// to syscall.ERROR_DIRECTORY, hopefully it should
+	// do the trick.
+	if e1 != syscall.ENOTDIR {
+		e = e1
+	}
+	return &PathError{"remove", name, Errno(e)}
+}
+
+// LinkError records an error during a link or symlink or rename
+// system call and the paths that caused it.
+type LinkError struct {
+	Op    string
+	Old   string
+	New   string
+	Error Error
+}
+
+func (e *LinkError) String() string {
+	return e.Op + " " + e.Old + " " + e.New + ": " + e.Error.String()
+}
+
+// Link creates a hard link.
+func Link(oldname, newname string) Error {
+	e := syscall.Link(oldname, newname)
+	if iserror(e) {
+		return &LinkError{"link", oldname, newname, Errno(e)}
+	}
+	return nil
+}
+
+// Symlink creates a symbolic link.
+func Symlink(oldname, newname string) Error {
+	e := syscall.Symlink(oldname, newname)
+	if iserror(e) {
+		return &LinkError{"symlink", oldname, newname, Errno(e)}
+	}
+	return nil
+}
+
+// Readlink reads the contents of a symbolic link: the destination of
+// the link.  It returns the contents and an Error, if any.
+func Readlink(name string) (string, Error) {
+	for len := 128; ; len *= 2 {
+		b := make([]byte, len)
+		n, e := syscall.Readlink(name, b)
+		if iserror(e) {
+			return "", &PathError{"readlink", name, Errno(e)}
+		}
+		if n < len {
+			return string(b[0:n]), nil
+		}
+	}
+	// Silence 6g.
+	return "", nil
+}
+
+// Rename renames a file.
+func Rename(oldname, newname string) Error {
+	e := syscall.Rename(oldname, newname)
+	if iserror(e) {
+		return &LinkError{"rename", oldname, newname, Errno(e)}
+	}
+	return nil
+}
+
+// Chmod changes the mode of the named file to mode.
+// If the file is a symbolic link, it changes the mode of the link's target.
+func Chmod(name string, mode uint32) Error {
+	if e := syscall.Chmod(name, mode); iserror(e) {
+		return &PathError{"chmod", name, Errno(e)}
+	}
+	return nil
+}
+
+// Chmod changes the mode of the file to mode.
+func (f *File) Chmod(mode uint32) Error {
+	if e := syscall.Fchmod(f.fd, mode); iserror(e) {
+		return &PathError{"chmod", f.name, Errno(e)}
+	}
+	return nil
+}
+
+// Chown changes the numeric uid and gid of the named file.
+// If the file is a symbolic link, it changes the uid and gid of the link's target.
+func Chown(name string, uid, gid int) Error {
+	if e := syscall.Chown(name, uid, gid); iserror(e) {
+		return &PathError{"chown", name, Errno(e)}
+	}
+	return nil
+}
+
+// Lchown changes the numeric uid and gid of the named file.
+// If the file is a symbolic link, it changes the uid and gid of the link itself.
+func Lchown(name string, uid, gid int) Error {
+	if e := syscall.Lchown(name, uid, gid); iserror(e) {
+		return &PathError{"lchown", name, Errno(e)}
+	}
+	return nil
+}
+
+// Chown changes the numeric uid and gid of the named file.
+func (f *File) Chown(uid, gid int) Error {
+	if e := syscall.Fchown(f.fd, uid, gid); iserror(e) {
+		return &PathError{"chown", f.name, Errno(e)}
+	}
+	return nil
+}
+
+// Truncate changes the size of the file.
+// It does not change the I/O offset.
+func (f *File) Truncate(size int64) Error {
+	if e := syscall.Ftruncate(f.fd, size); iserror(e) {
+		return &PathError{"truncate", f.name, Errno(e)}
+	}
+	return nil
+}
+
+// Sync commits the current contents of the file to stable storage.
+// Typically, this means flushing the file system's in-memory copy
+// of recently written data to disk.
+func (file *File) Sync() (err Error) {
+	if file == nil {
+		return EINVAL
+	}
+	if e := syscall.Fsync(file.fd); iserror(e) {
+		return NewSyscallError("fsync", e)
+	}
+	return nil
+}
+
+// Chtimes changes the access and modification times of the named
+// file, similar to the Unix utime() or utimes() functions.
+//
+// The argument times are in nanoseconds, although the underlying
+// filesystem may truncate or round the values to a more
+// coarse time unit.
+func Chtimes(name string, atime_ns int64, mtime_ns int64) Error {
+	var utimes [2]syscall.Timeval
+	utimes[0] = syscall.NsecToTimeval(atime_ns)
+	utimes[1] = syscall.NsecToTimeval(mtime_ns)
+	if e := syscall.Utimes(name, utimes[0:]); iserror(e) {
+		return &PathError{"chtimes", name, Errno(e)}
+	}
+	return nil
+}
diff --git a/libgo/go/os/file_unix.go b/libgo/go/os/file_unix.go
index 01268e5..f80f1d5 100644
--- a/libgo/go/os/file_unix.go
+++ b/libgo/go/os/file_unix.go
@@ -19,10 +19,12 @@ type dirInfo struct {
 // On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
 const DevNull = "/dev/null"
 
-// Open opens the named file with specified flag (O_RDONLY etc.) and perm, (0666 etc.)
-// if applicable.  If successful, methods on the returned File can be used for I/O.
+// OpenFile is the generalized open call; most users will use Open
+// or Create instead.  It opens the named file with specified flag
+// (O_RDONLY etc.) and perm, (0666 etc.) if applicable.  If successful,
+// methods on the returned File can be used for I/O.
 // It returns the File and an Error, if any.
-func Open(name string, flag int, perm uint32) (file *File, err Error) {
+func OpenFile(name string, flag int, perm uint32) (file *File, err Error) {
 	r, e := syscall.Open(name, flag|syscall.O_CLOEXEC, perm)
 	if e != 0 {
 		return nil, &PathError{"open", name, Errno(e)}
diff --git a/libgo/go/os/getwd.go b/libgo/go/os/getwd.go
index 49aaea8..4c142ad 100644
--- a/libgo/go/os/getwd.go
+++ b/libgo/go/os/getwd.go
@@ -54,7 +54,7 @@ func Getwd() (string, Error) {
 		if len(parent) >= 1024 { // Sanity check
 			return "", ENAMETOOLONG
 		}
-		fd, err := Open(parent, O_RDONLY, 0)
+		fd, err := Open(parent)
 		if err != nil {
 			return "", err
 		}
diff --git a/libgo/go/os/inotify/inotify_linux_test.go b/libgo/go/os/inotify/inotify_linux_test.go
index 79c3bfa..f5d1f83 100644
--- a/libgo/go/os/inotify/inotify_linux_test.go
+++ b/libgo/go/os/inotify/inotify_linux_test.go
@@ -51,7 +51,7 @@ func TestInotifyEvents(t *testing.T) {
 
 	// Create a file
 	// This should add at least one event to the inotify event queue
-	_, err = os.Open(testFile, os.O_WRONLY|os.O_CREAT, 0666)
+	_, err = os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666)
 	if err != nil {
 		t.Fatalf("creating test file failed: %s", err)
 	}
diff --git a/libgo/go/os/os_test.go b/libgo/go/os/os_test.go
index bb1b8e3..607a11b 100644
--- a/libgo/go/os/os_test.go
+++ b/libgo/go/os/os_test.go
@@ -17,6 +17,7 @@ import (
 )
 
 var dot = []string{
+	"dir_unix.go",
 	"env_unix.go",
 	"error.go",
 	"file.go",
@@ -56,7 +57,7 @@ var sysdir = func() (sd *sysDir) {
 }()
 
 func size(name string, t *testing.T) int64 {
-	file, err := Open(name, O_RDONLY, 0)
+	file, err := Open(name)
 	defer file.Close()
 	if err != nil {
 		t.Fatal("open failed:", err)
@@ -121,7 +122,7 @@ func TestStat(t *testing.T) {
 
 func TestFstat(t *testing.T) {
 	path := sfdir + "/" + sfname
-	file, err1 := Open(path, O_RDONLY, 0)
+	file, err1 := Open(path)
 	defer file.Close()
 	if err1 != nil {
 		t.Fatal("open failed:", err1)
@@ -155,7 +156,7 @@ func TestLstat(t *testing.T) {
 }
 
 func testReaddirnames(dir string, contents []string, t *testing.T) {
-	file, err := Open(dir, O_RDONLY, 0)
+	file, err := Open(dir)
 	defer file.Close()
 	if err != nil {
 		t.Fatalf("open %q failed: %v", dir, err)
@@ -184,7 +185,7 @@ func testReaddirnames(dir string, contents []string, t *testing.T) {
 }
 
 func testReaddir(dir string, contents []string, t *testing.T) {
-	file, err := Open(dir, O_RDONLY, 0)
+	file, err := Open(dir)
 	defer file.Close()
 	if err != nil {
 		t.Fatalf("open %q failed: %v", dir, err)
@@ -245,7 +246,7 @@ func TestReaddirnamesOneAtATime(t *testing.T) {
 	if syscall.OS == "windows" {
 		dir = Getenv("SystemRoot") + "\\system32"
 	}
-	file, err := Open(dir, O_RDONLY, 0)
+	file, err := Open(dir)
 	defer file.Close()
 	if err != nil {
 		t.Fatalf("open %q failed: %v", dir, err)
@@ -254,7 +255,7 @@ func TestReaddirnamesOneAtATime(t *testing.T) {
 	if err1 != nil {
 		t.Fatalf("readdirnames %q failed: %v", dir, err1)
 	}
-	file1, err2 := Open(dir, O_RDONLY, 0)
+	file1, err2 := Open(dir)
 	if err2 != nil {
 		t.Fatalf("open %q failed: %v", dir, err2)
 	}
@@ -273,7 +274,7 @@ func TestHardLink(t *testing.T) {
 	}
 	from, to := "hardlinktestfrom", "hardlinktestto"
 	Remove(from) // Just in case.
-	file, err := Open(to, O_CREAT|O_WRONLY, 0666)
+	file, err := Create(to)
 	if err != nil {
 		t.Fatalf("open %q failed: %v", to, err)
 	}
@@ -306,7 +307,7 @@ func TestSymLink(t *testing.T) {
 	}
 	from, to := "symlinktestfrom", "symlinktestto"
 	Remove(from) // Just in case.
-	file, err := Open(to, O_CREAT|O_WRONLY, 0666)
+	file, err := Create(to)
 	if err != nil {
 		t.Fatalf("open %q failed: %v", to, err)
 	}
@@ -354,7 +355,7 @@ func TestSymLink(t *testing.T) {
 	if s != to {
 		t.Fatalf("after symlink %q != %q", s, to)
 	}
-	file, err = Open(from, O_RDONLY, 0)
+	file, err = Open(from)
 	if err != nil {
 		t.Fatalf("open %q failed: %v", from, err)
 	}
@@ -388,7 +389,7 @@ func TestLongSymlink(t *testing.T) {
 func TestRename(t *testing.T) {
 	from, to := "renamefrom", "renameto"
 	Remove(to) // Just in case.
-	file, err := Open(from, O_CREAT|O_WRONLY, 0666)
+	file, err := Create(from)
 	if err != nil {
 		t.Fatalf("open %q failed: %v", to, err)
 	}
@@ -615,7 +616,7 @@ func TestChdirAndGetwd(t *testing.T) {
 	if syscall.OS == "windows" {
 		return
 	}
-	fd, err := Open(".", O_RDONLY, 0)
+	fd, err := Open(".")
 	if err != nil {
 		t.Fatalf("Open .: %s", err)
 	}
@@ -627,7 +628,7 @@ func TestChdirAndGetwd(t *testing.T) {
 			if mode == 0 {
 				err = Chdir(d)
 			} else {
-				fd1, err := Open(d, O_RDONLY, 0)
+				fd1, err := Open(d)
 				if err != nil {
 					t.Errorf("Open %s: %s", d, err)
 					continue
@@ -736,7 +737,7 @@ var openErrorTests = []openErrorTest{
 
 func TestOpenError(t *testing.T) {
 	for _, tt := range openErrorTests {
-		f, err := Open(tt.path, tt.mode, 0)
+		f, err := OpenFile(tt.path, tt.mode, 0)
 		if err == nil {
 			t.Errorf("Open(%q, %d) succeeded", tt.path, tt.mode)
 			f.Close()
@@ -842,7 +843,7 @@ func TestWriteAt(t *testing.T) {
 }
 
 func writeFile(t *testing.T, fname string, flag int, text string) string {
-	f, err := Open(fname, flag, 0666)
+	f, err := OpenFile(fname, flag, 0666)
 	if err != nil {
 		t.Fatalf("Open: %v", err)
 	}
@@ -861,7 +862,7 @@ func writeFile(t *testing.T, fname string, flag int, text string) string {
 func TestAppend(t *testing.T) {
 	const f = "append.txt"
 	defer Remove(f)
-	s := writeFile(t, f, O_CREAT|O_TRUNC|O_RDWR, "new")
+	s := writeFile(t, f, O_CREATE|O_TRUNC|O_RDWR, "new")
 	if s != "new" {
 		t.Fatalf("writeFile: have %q want %q", s, "new")
 	}
diff --git a/libgo/go/os/path.go b/libgo/go/os/path.go
index b762971..0eb3ee5 100644
--- a/libgo/go/os/path.go
+++ b/libgo/go/os/path.go
@@ -33,7 +33,7 @@ func MkdirAll(path string, perm uint32) Error {
 		j--
 	}
 
-	if j > 0 {
+	if j > 1 {
 		// Create parent
 		err = MkdirAll(path[0:j-1], perm)
 		if err != nil {
@@ -80,7 +80,7 @@ func RemoveAll(path string) Error {
 	}
 
 	// Directory.
-	fd, err := Open(path, O_RDONLY, 0)
+	fd, err := Open(path)
 	if err != nil {
 		return err
 	}
diff --git a/libgo/go/os/path_test.go b/libgo/go/os/path_test.go
index 799e3ec..483bb63 100644
--- a/libgo/go/os/path_test.go
+++ b/libgo/go/os/path_test.go
@@ -29,7 +29,7 @@ func TestMkdirAll(t *testing.T) {
 
 	// Make file.
 	fpath := path + "/file"
-	_, err = Open(fpath, O_WRONLY|O_CREAT, 0666)
+	_, err = Create(fpath)
 	if err != nil {
 		t.Fatalf("create %q: %s", fpath, err)
 	}
@@ -72,7 +72,7 @@ func TestRemoveAll(t *testing.T) {
 	if err := MkdirAll(path, 0777); err != nil {
 		t.Fatalf("MkdirAll %q: %s", path, err)
 	}
-	fd, err := Open(fpath, O_WRONLY|O_CREAT, 0666)
+	fd, err := Create(fpath)
 	if err != nil {
 		t.Fatalf("create %q: %s", fpath, err)
 	}
@@ -88,12 +88,12 @@ func TestRemoveAll(t *testing.T) {
 	if err = MkdirAll(dpath, 0777); err != nil {
 		t.Fatalf("MkdirAll %q: %s", dpath, err)
 	}
-	fd, err = Open(fpath, O_WRONLY|O_CREAT, 0666)
+	fd, err = Create(fpath)
 	if err != nil {
 		t.Fatalf("create %q: %s", fpath, err)
 	}
 	fd.Close()
-	fd, err = Open(dpath+"/file", O_WRONLY|O_CREAT, 0666)
+	fd, err = Create(dpath + "/file")
 	if err != nil {
 		t.Fatalf("create %q: %s", fpath, err)
 	}
@@ -121,7 +121,7 @@ func TestRemoveAll(t *testing.T) {
 		}
 
 		for _, s := range []string{fpath, dpath + "/file1", path + "/zzz"} {
-			fd, err = Open(s, O_WRONLY|O_CREAT, 0666)
+			fd, err = Create(s)
 			if err != nil {
 				t.Fatalf("create %q: %s", s, err)
 			}
@@ -179,3 +179,20 @@ func TestMkdirAllWithSymlink(t *testing.T) {
 		t.Errorf("MkdirAll %q: %s", path, err)
 	}
 }
+
+func TestMkdirAllAtSlash(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		return
+	}
+	RemoveAll("/_go_os_test")
+	err := MkdirAll("/_go_os_test/dir", 0777)
+	if err != nil {
+		pathErr, ok := err.(*PathError)
+		// common for users not to be able to write to /
+		if ok && pathErr.Error == EACCES {
+			return
+		}
+		t.Fatalf(`MkdirAll "/_go_os_test/dir": %v`, err)
+	}
+	RemoveAll("/_go_os_test")
+}
diff --git a/libgo/go/os/proc.go b/libgo/go/os/proc.go
index dfddab6..481ef60 100644
--- a/libgo/go/os/proc.go
+++ b/libgo/go/os/proc.go
@@ -26,8 +26,8 @@ func Getegid() int { return syscall.Getegid() }
 
 // Getgroups returns a list of the numeric ids of groups that the caller belongs to.
 func Getgroups() ([]int, Error) {
-	gids, errno := syscall.Getgroups()
-	return gids, NewSyscallError("getgroups", errno)
+	gids, e := syscall.Getgroups()
+	return gids, NewSyscallError("getgroups", e)
 }
 
 // Exit causes the current program to exit with the given status code.
diff --git a/libgo/go/os/stat_plan9.go b/libgo/go/os/stat_plan9.go
new file mode 100644
index 0000000..e96749d
--- /dev/null
+++ b/libgo/go/os/stat_plan9.go
@@ -0,0 +1,84 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import "syscall"
+
+func fileInfoFromStat(fi *FileInfo, d *Dir) *FileInfo {
+	fi.Dev = uint64(d.Qid.Vers) | uint64(d.Qid.Type<<32)
+	fi.Ino = d.Qid.Path
+
+	fi.Mode = uint32(d.Mode) & 0777
+	if (d.Mode & syscall.DMDIR) == syscall.DMDIR {
+		fi.Mode |= syscall.S_IFDIR
+	} else {
+		fi.Mode |= syscall.S_IFREG
+	}
+
+	fi.Size = int64(d.Length)
+	fi.Atime_ns = 1e9 * int64(d.Atime)
+	fi.Mtime_ns = 1e9 * int64(d.Mtime)
+	fi.Name = d.Name
+	fi.FollowedSymlink = false
+	return fi
+}
+
+// arg is an open *File or a path string. 
+func dirstat(arg interface{}) (fi *FileInfo, err Error) {
+	var name string
+	nd := syscall.STATFIXLEN + 16*4
+
+	for i := 0; i < 2; i++ { /* should work by the second try */
+		buf := make([]byte, nd)
+
+		var n int
+		var e syscall.Error
+
+		switch syscallArg := arg.(type) {
+		case *File:
+			name = syscallArg.name
+			n, e = syscall.Fstat(syscallArg.fd, buf)
+		case string:
+			name = syscallArg
+			n, e = syscall.Stat(name, buf)
+		}
+
+		if e != nil {
+			return nil, &PathError{"stat", name, e}
+		}
+
+		if n < syscall.STATFIXLEN {
+			return nil, &PathError{"stat", name, Eshortstat}
+		}
+
+		ntmp, _ := gbit16(buf)
+		nd = int(ntmp)
+
+		if nd <= n {
+			d, e := UnmarshalDir(buf[:n])
+
+			if e != nil {
+				return nil, &PathError{"stat", name, e}
+			}
+
+			return fileInfoFromStat(new(FileInfo), d), nil
+		}
+	}
+
+	return nil, &PathError{"stat", name, Ebadstat}
+}
+
+
+// Stat returns a FileInfo structure describing the named file and an error, if any.
+func Stat(name string) (fi *FileInfo, err Error) {
+	return dirstat(name)
+}
+
+// Lstat returns the FileInfo structure describing the named file and an
+// error, if any.  If the file is a symbolic link (though Plan 9 does not have symbolic links), 
+// the returned FileInfo describes the symbolic link.  Lstat makes no attempt to follow the link.
+func Lstat(name string) (fi *FileInfo, err Error) {
+	return dirstat(name)
+}
diff --git a/libgo/go/os/sys_linux.go b/libgo/go/os/sys_linux.go
index b82d295..408d667 100644
--- a/libgo/go/os/sys_linux.go
+++ b/libgo/go/os/sys_linux.go
@@ -9,7 +9,7 @@ package os
 
 // Hostname returns the host name reported by the kernel.
 func Hostname() (name string, err Error) {
-	f, err := Open("/proc/sys/kernel/hostname", O_RDONLY, 0)
+	f, err := Open("/proc/sys/kernel/hostname")
 	if err != nil {
 		return "", err
 	}
diff --git a/libgo/go/os/sys_plan9.go b/libgo/go/os/sys_plan9.go
new file mode 100644
index 0000000..f6af28b
--- /dev/null
+++ b/libgo/go/os/sys_plan9.go
@@ -0,0 +1,27 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9-specific
+
+package os
+
+
+func Hostname() (name string, err Error) {
+	f, err := Open("#c/sysname")
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	var buf [128]byte
+	n, err := f.Read(buf[:len(buf)-1])
+
+	if err != nil {
+		return "", err
+	}
+	if n > 0 {
+		buf[n] = 0
+	}
+	return string(buf[0:n]), nil
+}
diff --git a/libgo/go/os/time.go b/libgo/go/os/time.go
index 380345f..8e87a49 100644
--- a/libgo/go/os/time.go
+++ b/libgo/go/os/time.go
@@ -13,8 +13,8 @@ import "syscall"
 // time is the Unix epoch.
 func Time() (sec int64, nsec int64, err Error) {
 	var tv syscall.Timeval
-	if errno := syscall.Gettimeofday(&tv); errno != 0 {
-		return 0, 0, NewSyscallError("gettimeofday", errno)
+	if e := syscall.Gettimeofday(&tv); iserror(e) {
+		return 0, 0, NewSyscallError("gettimeofday", e)
 	}
 	return int64(tv.Sec), int64(tv.Usec) * 1000, err
 }
diff --git a/libgo/go/path/filepath/match.go b/libgo/go/path/filepath/match.go
index ad4053f..a05bb5f 100644
--- a/libgo/go/path/filepath/match.go
+++ b/libgo/go/path/filepath/match.go
@@ -32,7 +32,7 @@ var ErrBadPattern = os.NewError("syntax error in pattern")
 //		lo '-' hi   matches character c for lo <= c <= hi
 //
 // Match requires pattern to match all of name, not just a substring.
-// The only possible error return is when pattern is malformed.
+// The only possible error return occurs when the pattern is malformed.
 //
 func Match(pattern, name string) (matched bool, err os.Error) {
 Pattern:
@@ -211,13 +211,14 @@ func getEsc(chunk string) (r int, nchunk string, err os.Error) {
 // if there is no matching file. The syntax of patterns is the same
 // as in Match. The pattern may describe hierarchical names such as
 // /usr/*/bin/ed (assuming the Separator is '/').
+// The only possible error return occurs when the pattern is malformed.
 //
-func Glob(pattern string) (matches []string) {
+func Glob(pattern string) (matches []string, err os.Error) {
 	if !hasMeta(pattern) {
-		if _, err := os.Stat(pattern); err == nil {
-			return []string{pattern}
+		if _, err = os.Stat(pattern); err != nil {
+			return
 		}
-		return nil
+		return []string{pattern}, nil
 	}
 
 	dir, file := Split(pattern)
@@ -230,48 +231,60 @@ func Glob(pattern string) (matches []string) {
 		dir = dir[0 : len(dir)-1] // chop off trailing separator
 	}
 
-	if hasMeta(dir) {
-		for _, d := range Glob(dir) {
-			matches = glob(d, file, matches)
-		}
-	} else {
+	if !hasMeta(dir) {
 		return glob(dir, file, nil)
 	}
-	return matches
+
+	var m []string
+	m, err = Glob(dir)
+	if err != nil {
+		return
+	}
+	for _, d := range m {
+		matches, err = glob(d, file, matches)
+		if err != nil {
+			return
+		}
+	}
+	return
 }
 
 // glob searches for files matching pattern in the directory dir
-// and appends them to matches.
-func glob(dir, pattern string, matches []string) []string {
+// and appends them to matches. If the directory cannot be
+// opened, it returns the existing matches. New matches are
+// added in lexicographical order.
+// The only possible error return occurs when the pattern is malformed.
+func glob(dir, pattern string, matches []string) (m []string, e os.Error) {
+	m = matches
 	fi, err := os.Stat(dir)
 	if err != nil {
-		return nil
+		return
 	}
 	if !fi.IsDirectory() {
-		return matches
+		return
 	}
-	d, err := os.Open(dir, os.O_RDONLY, 0666)
+	d, err := os.Open(dir)
 	if err != nil {
-		return nil
+		return
 	}
 	defer d.Close()
 
 	names, err := d.Readdirnames(-1)
 	if err != nil {
-		return nil
+		return
 	}
 	sort.SortStrings(names)
 
 	for _, n := range names {
 		matched, err := Match(pattern, n)
 		if err != nil {
-			return matches
+			return m, err
 		}
 		if matched {
-			matches = append(matches, Join(dir, n))
+			m = append(m, Join(dir, n))
 		}
 	}
-	return matches
+	return
 }
 
 // hasMeta returns true if path contains any of the magic characters
diff --git a/libgo/go/path/filepath/match_test.go b/libgo/go/path/filepath/match_test.go
index a1e6316..0b594fa 100644
--- a/libgo/go/path/filepath/match_test.go
+++ b/libgo/go/path/filepath/match_test.go
@@ -6,7 +6,7 @@ package filepath_test
 
 import (
 	"os"
-	"path/filepath"
+	. "path/filepath"
 	"testing"
 	"runtime"
 )
@@ -56,16 +56,16 @@ var matchTests = []MatchTest{
 	{"[\\-x]", "x", true, nil},
 	{"[\\-x]", "-", true, nil},
 	{"[\\-x]", "a", false, nil},
-	{"[]a]", "]", false, filepath.ErrBadPattern},
-	{"[-]", "-", false, filepath.ErrBadPattern},
-	{"[x-]", "x", false, filepath.ErrBadPattern},
-	{"[x-]", "-", false, filepath.ErrBadPattern},
-	{"[x-]", "z", false, filepath.ErrBadPattern},
-	{"[-x]", "x", false, filepath.ErrBadPattern},
-	{"[-x]", "-", false, filepath.ErrBadPattern},
-	{"[-x]", "a", false, filepath.ErrBadPattern},
-	{"\\", "a", false, filepath.ErrBadPattern},
-	{"[a-b-c]", "a", false, filepath.ErrBadPattern},
+	{"[]a]", "]", false, ErrBadPattern},
+	{"[-]", "-", false, ErrBadPattern},
+	{"[x-]", "x", false, ErrBadPattern},
+	{"[x-]", "-", false, ErrBadPattern},
+	{"[x-]", "z", false, ErrBadPattern},
+	{"[-x]", "x", false, ErrBadPattern},
+	{"[-x]", "-", false, ErrBadPattern},
+	{"[-x]", "a", false, ErrBadPattern},
+	{"\\", "a", false, ErrBadPattern},
+	{"[a-b-c]", "a", false, ErrBadPattern},
 	{"*x", "xxx", true, nil},
 }
 
@@ -75,7 +75,7 @@ func TestMatch(t *testing.T) {
 		return
 	}
 	for _, tt := range matchTests {
-		ok, err := filepath.Match(tt.pattern, tt.s)
+		ok, err := Match(tt.pattern, tt.s)
 		if ok != tt.match || err != tt.err {
 			t.Errorf("Match(%#q, %#q) = %v, %v want %v, nil", tt.pattern, tt.s, ok, err, tt.match)
 		}
@@ -84,7 +84,7 @@ func TestMatch(t *testing.T) {
 
 // contains returns true if vector contains the string s.
 func contains(vector []string, s string) bool {
-	s = filepath.ToSlash(s)
+	s = ToSlash(s)
 	for _, elem := range vector {
 		if elem == s {
 			return true
@@ -109,9 +109,20 @@ func TestGlob(t *testing.T) {
 		return
 	}
 	for _, tt := range globTests {
-		matches := filepath.Glob(tt.pattern)
+		matches, err := Glob(tt.pattern)
+		if err != nil {
+			t.Errorf("Glob error for %q: %s", tt.pattern, err)
+			continue
+		}
 		if !contains(matches, tt.result) {
 			t.Errorf("Glob(%#q) = %#v want %v", tt.pattern, matches, tt.result)
 		}
 	}
 }
+
+func TestGlobError(t *testing.T) {
+	_, err := Glob("[7]")
+	if err != nil {
+		t.Error("expected error for bad pattern; got none")
+	}
+}
diff --git a/libgo/go/path/filepath/path.go b/libgo/go/path/filepath/path.go
index 6cd6cf2..de673a7 100644
--- a/libgo/go/path/filepath/path.go
+++ b/libgo/go/path/filepath/path.go
@@ -231,6 +231,21 @@ func EvalSymlinks(path string) (string, os.Error) {
 	return Clean(b.String()), nil
 }
 
+// Abs returns an absolute representation of path.
+// If the path is not absolute it will be joined with the current
+// working directory to turn it into an absolute path.  The absolute
+// path name for a given file is not guaranteed to be unique.
+func Abs(path string) (string, os.Error) {
+	if IsAbs(path) {
+		return path, nil
+	}
+	wd, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+	return Join(wd, path), nil
+}
+
 // Visitor methods are invoked for corresponding file tree entries
 // visited by Walk. The parameter path is the full path of f relative
 // to root.
@@ -265,7 +280,7 @@ func walk(path string, f *os.FileInfo, v Visitor, errors chan<- os.Error) {
 // a list of sorted directory entries.
 // Copied from io/ioutil to avoid the circular import.
 func readDir(dirname string) ([]*os.FileInfo, os.Error) {
-	f, err := os.Open(dirname, os.O_RDONLY, 0)
+	f, err := os.Open(dirname)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libgo/go/path/filepath/path_plan9.go b/libgo/go/path/filepath/path_plan9.go
new file mode 100644
index 0000000..e400083
--- /dev/null
+++ b/libgo/go/path/filepath/path_plan9.go
@@ -0,0 +1,28 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package filepath
+
+import "strings"
+
+const (
+	Separator     = '/' // OS-specific path separator
+	ListSeparator = 0   // OS-specific path list separator
+)
+
+// isSeparator returns true if c is a directory separator character.
+func isSeparator(c uint8) bool {
+	return Separator == c
+}
+
+// IsAbs returns true if the path is absolute.
+func IsAbs(path string) bool {
+	return strings.HasPrefix(path, "/") || strings.HasPrefix(path, "#")
+}
+
+// volumeName returns the leading volume name on Windows.
+// It returns "" elsewhere
+func volumeName(path string) string {
+	return ""
+}
diff --git a/libgo/go/path/filepath/path_test.go b/libgo/go/path/filepath/path_test.go
index 0249af4..37078f6 100644
--- a/libgo/go/path/filepath/path_test.go
+++ b/libgo/go/path/filepath/path_test.go
@@ -248,7 +248,7 @@ func walkTree(n *Node, path string, f func(path string, n *Node)) {
 func makeTree(t *testing.T) {
 	walkTree(tree, tree.name, func(path string, n *Node) {
 		if n.entries == nil {
-			fd, err := os.Open(path, os.O_CREAT, 0660)
+			fd, err := os.Create(path)
 			if err != nil {
 				t.Errorf("makeTree: %v", err)
 			}
@@ -459,9 +459,9 @@ func TestEvalSymlinks(t *testing.T) {
 	// relative
 	for _, d := range EvalSymlinksTests {
 		if p, err := filepath.EvalSymlinks(d.path); err != nil {
-			t.Errorf("EvalSymlinks(%v) error: %v", d.path, err)
+			t.Errorf("EvalSymlinks(%q) error: %v", d.path, err)
 		} else if p != d.dest {
-			t.Errorf("EvalSymlinks(%v)=%v, want %v", d.path, p, d.dest)
+			t.Errorf("EvalSymlinks(%q)=%q, want %q", d.path, p, d.dest)
 		}
 	}
 	// absolute
@@ -477,10 +477,54 @@ func TestEvalSymlinks(t *testing.T) {
 			filepath.Join(testroot, d.dest),
 		}
 		if p, err := filepath.EvalSymlinks(a.path); err != nil {
-			t.Errorf("EvalSymlinks(%v) error: %v", a.path, err)
+			t.Errorf("EvalSymlinks(%q) error: %v", a.path, err)
 		} else if p != a.dest {
-			t.Errorf("EvalSymlinks(%v)=%v, want %v", a.path, p, a.dest)
+			t.Errorf("EvalSymlinks(%q)=%q, want %q", a.path, p, a.dest)
 		}
 	}
 */
 }
+
+/* These tests do not work in the gccgo test environment.
+
+// Test paths relative to $GOROOT/src
+var abstests = []string{
+	"../AUTHORS",
+	"pkg/../../AUTHORS",
+	"Make.pkg",
+	"pkg/Makefile",
+
+	// Already absolute
+	"$GOROOT/src/Make.pkg",
+}
+
+func TestAbs(t *testing.T) {
+	oldwd, err := os.Getwd()
+	if err != nil {
+		t.Fatal("Getwd failed: " + err.String())
+	}
+	defer os.Chdir(oldwd)
+	goroot := os.Getenv("GOROOT")
+	cwd := filepath.Join(goroot, "src")
+	os.Chdir(cwd)
+	for _, path := range abstests {
+		path = strings.Replace(path, "$GOROOT", goroot, -1)
+		abspath, err := filepath.Abs(path)
+		if err != nil {
+			t.Errorf("Abs(%q) error: %v", path, err)
+		}
+		info, err := os.Stat(path)
+		if err != nil {
+			t.Errorf("%s: %s", path, err)
+		}
+		absinfo, err := os.Stat(abspath)
+		if err != nil || absinfo.Ino != info.Ino {
+			t.Errorf("Abs(%q)=%q, not the same file", path, abspath)
+		}
+		if !filepath.IsAbs(abspath) {
+			t.Errorf("Abs(%q)=%q, not an absolute path", path, abspath)
+		}
+	}
+}
+
+*/
diff --git a/libgo/go/path/filepath/path_unix.go b/libgo/go/path/filepath/path_unix.go
index 1bb21ec..f8ac248 100644
--- a/libgo/go/path/filepath/path_unix.go
+++ b/libgo/go/path/filepath/path_unix.go
@@ -22,7 +22,7 @@ func IsAbs(path string) bool {
 }
 
 // volumeName returns the leading volume name on Windows.
-// It returns "" on Unix.
+// It returns "" elsewhere.
 func volumeName(path string) string {
 	return ""
 }
diff --git a/libgo/go/scanner/scanner.go b/libgo/go/scanner/scanner.go
index 2396cdd..560e595 100644
--- a/libgo/go/scanner/scanner.go
+++ b/libgo/go/scanner/scanner.go
@@ -331,7 +331,7 @@ func (s *Scanner) error(msg string) {
 		s.Error(s, msg)
 		return
 	}
-	fmt.Fprintf(os.Stderr, "%s: %s", s.Position, msg)
+	fmt.Fprintf(os.Stderr, "%s: %s\n", s.Position, msg)
 }
 
 
@@ -503,41 +503,32 @@ func (s *Scanner) scanChar() {
 }
 
 
-func (s *Scanner) scanLineComment() {
-	ch := s.next() // read character after "//"
-	for ch != '\n' {
-		if ch < 0 {
-			s.error("comment not terminated")
-			return
+func (s *Scanner) scanComment(ch int) int {
+	// ch == '/' || ch == '*'
+	if ch == '/' {
+		// line comment
+		ch = s.next() // read character after "//"
+		for ch != '\n' && ch >= 0 {
+			ch = s.next()
 		}
-		ch = s.next()
+		return ch
 	}
-}
-
 
-func (s *Scanner) scanGeneralComment() {
-	ch := s.next() // read character after "/*"
+	// general comment
+	ch = s.next() // read character after "/*"
 	for {
 		if ch < 0 {
 			s.error("comment not terminated")
-			return
+			break
 		}
 		ch0 := ch
 		ch = s.next()
 		if ch0 == '*' && ch == '/' {
+			ch = s.next()
 			break
 		}
 	}
-}
-
-
-func (s *Scanner) scanComment(ch int) {
-	// ch == '/' || ch == '*'
-	if ch == '/' {
-		s.scanLineComment()
-		return
-	}
-	s.scanGeneralComment()
+	return ch
 }
 
 
@@ -619,13 +610,11 @@ redo:
 			if (ch == '/' || ch == '*') && s.Mode&ScanComments != 0 {
 				if s.Mode&SkipComments != 0 {
 					s.tokPos = -1 // don't collect token text
-					s.scanComment(ch)
-					ch = s.next()
+					ch = s.scanComment(ch)
 					goto redo
 				}
-				s.scanComment(ch)
+				ch = s.scanComment(ch)
 				tok = Comment
-				ch = s.next()
 			}
 		case '`':
 			if s.Mode&ScanRawStrings != 0 {
diff --git a/libgo/go/scanner/scanner_test.go b/libgo/go/scanner/scanner_test.go
index 002252d..cf9ad01 100644
--- a/libgo/go/scanner/scanner_test.go
+++ b/libgo/go/scanner/scanner_test.go
@@ -77,15 +77,15 @@ type token struct {
 var f100 = "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
 
 var tokenList = []token{
-	{Comment, "// line comments\n"},
-	{Comment, "//\n"},
-	{Comment, "////\n"},
-	{Comment, "// comment\n"},
-	{Comment, "// /* comment */\n"},
-	{Comment, "// // comment //\n"},
-	{Comment, "//" + f100 + "\n"},
-
-	{Comment, "// general comments\n"},
+	{Comment, "// line comments"},
+	{Comment, "//"},
+	{Comment, "////"},
+	{Comment, "// comment"},
+	{Comment, "// /* comment */"},
+	{Comment, "// // comment //"},
+	{Comment, "//" + f100},
+
+	{Comment, "// general comments"},
 	{Comment, "/**/"},
 	{Comment, "/***/"},
 	{Comment, "/* comment */"},
@@ -94,7 +94,7 @@ var tokenList = []token{
 	{Comment, "/*\n comment\n*/"},
 	{Comment, "/*" + f100 + "*/"},
 
-	{Comment, "// identifiers\n"},
+	{Comment, "// identifiers"},
 	{Ident, "a"},
 	{Ident, "a0"},
 	{Ident, "foobar"},
@@ -116,21 +116,21 @@ var tokenList = []token{
 	{Ident, "bar９８７６"},
 	{Ident, f100},
 
-	{Comment, "// decimal ints\n"},
+	{Comment, "// decimal ints"},
 	{Int, "0"},
 	{Int, "1"},
 	{Int, "9"},
 	{Int, "42"},
 	{Int, "1234567890"},
 
-	{Comment, "// octal ints\n"},
+	{Comment, "// octal ints"},
 	{Int, "00"},
 	{Int, "01"},
 	{Int, "07"},
 	{Int, "042"},
 	{Int, "01234567"},
 
-	{Comment, "// hexadecimal ints\n"},
+	{Comment, "// hexadecimal ints"},
 	{Int, "0x0"},
 	{Int, "0x1"},
 	{Int, "0xf"},
@@ -144,7 +144,7 @@ var tokenList = []token{
 	{Int, "0X123456789abcDEF"},
 	{Int, "0X" + f100},
 
-	{Comment, "// floats\n"},
+	{Comment, "// floats"},
 	{Float, "0."},
 	{Float, "1."},
 	{Float, "42."},
@@ -174,7 +174,7 @@ var tokenList = []token{
 	{Float, "42E+10"},
 	{Float, "01234567890E-10"},
 
-	{Comment, "// chars\n"},
+	{Comment, "// chars"},
 	{Char, `' '`},
 	{Char, `'a'`},
 	{Char, `'本'`},
@@ -195,7 +195,7 @@ var tokenList = []token{
 	{Char, `'\U00000000'`},
 	{Char, `'\U0000ffAB'`},
 
-	{Comment, "// strings\n"},
+	{Comment, "// strings"},
 	{String, `" "`},
 	{String, `"a"`},
 	{String, `"本"`},
@@ -217,13 +217,13 @@ var tokenList = []token{
 	{String, `"\U0000ffAB"`},
 	{String, `"` + f100 + `"`},
 
-	{Comment, "// raw strings\n"},
+	{Comment, "// raw strings"},
 	{String, "``"},
 	{String, "`\\`"},
 	{String, "`" + "\n\n/* foobar */\n\n" + "`"},
 	{String, "`" + f100 + "`"},
 
-	{Comment, "// individual characters\n"},
+	{Comment, "// individual characters"},
 	// NUL character is not allowed
 	{'\x01', "\x01"},
 	{' ' - 1, string(' ' - 1)},
@@ -276,7 +276,7 @@ func countNewlines(s string) int {
 
 
 func testScan(t *testing.T, mode uint) {
-	s := new(Scanner).Init(makeSource(" \t%s\t\n\r"))
+	s := new(Scanner).Init(makeSource(" \t%s\n"))
 	s.Mode = mode
 	tok := s.Scan()
 	line := 1
@@ -287,7 +287,7 @@ func testScan(t *testing.T, mode uint) {
 		}
 		line += countNewlines(k.text) + 1 // each token is on a new line
 	}
-	checkTok(t, s, line, tok, -1, "")
+	checkTok(t, s, line, tok, EOF, "")
 }
 
 
@@ -317,6 +317,10 @@ func TestPosition(t *testing.T) {
 		pos.Line += countNewlines(k.text) + 1 // each token is on a new line
 		s.Scan()
 	}
+	// make sure there were no token-internal errors reported by scanner
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 }
 
 
@@ -336,6 +340,9 @@ func TestScanZeroMode(t *testing.T) {
 	if tok != EOF {
 		t.Fatalf("tok = %s, want EOF", TokenString(tok))
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 }
 
 
@@ -350,6 +357,9 @@ func testScanSelectedMode(t *testing.T, mode uint, class int) {
 		}
 		tok = s.Scan()
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 }
 
 
@@ -367,7 +377,7 @@ func TestScanSelectedMask(t *testing.T) {
 
 
 func TestScanNext(t *testing.T) {
-	s := new(Scanner).Init(bytes.NewBufferString("if a == bcd /* comment */ {\n\ta += c\n}"))
+	s := new(Scanner).Init(bytes.NewBufferString("if a == bcd /* comment */ {\n\ta += c\n} // line comment ending in eof"))
 	checkTok(t, s, 1, s.Scan(), Ident, "if")
 	checkTok(t, s, 1, s.Scan(), Ident, "a")
 	checkTok(t, s, 1, s.Scan(), '=', "=")
@@ -382,6 +392,9 @@ func TestScanNext(t *testing.T) {
 	checkTok(t, s, 2, s.Scan(), Ident, "c")
 	checkTok(t, s, 3, s.Scan(), '}', "}")
 	checkTok(t, s, 3, s.Scan(), -1, "")
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 }
 
 
@@ -441,7 +454,6 @@ func TestError(t *testing.T) {
 	testError(t, `"\'"`, "illegal char escape", String)
 	testError(t, `"abc`, "literal not terminated", String)
 	testError(t, "`abc", "literal not terminated", String)
-	testError(t, `//`, "comment not terminated", EOF)
 	testError(t, `/*/`, "comment not terminated", EOF)
 	testError(t, `"abc`+"\x00"+`def"`, "illegal character NUL", String)
 	testError(t, `"abc`+"\xff"+`def"`, "illegal UTF-8 encoding", String)
@@ -493,6 +505,9 @@ func TestPos(t *testing.T) {
 	for i := 10; i > 0; i-- {
 		checkScanPos(t, s, 1, 2, 1, EOF)
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 
 	// corner case: source with only a single character
 	s = new(Scanner).Init(bytes.NewBufferString("本"))
@@ -502,6 +517,9 @@ func TestPos(t *testing.T) {
 	for i := 10; i > 0; i-- {
 		checkScanPos(t, s, 3, 1, 2, EOF)
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 
 	// positions after calling Next
 	s = new(Scanner).Init(bytes.NewBufferString("  foo६४  \n\n本語\n"))
@@ -524,6 +542,9 @@ func TestPos(t *testing.T) {
 	for i := 10; i > 0; i-- {
 		checkScanPos(t, s, 22, 4, 1, EOF)
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 
 	// positions after calling Scan
 	s = new(Scanner).Init(bytes.NewBufferString("abc\n本語\n\nx"))
@@ -543,4 +564,7 @@ func TestPos(t *testing.T) {
 	for i := 10; i > 0; i-- {
 		checkScanPos(t, s, 13, 4, 2, EOF)
 	}
+	if s.ErrorCount != 0 {
+		t.Errorf("%d errors", s.ErrorCount)
+	}
 }
diff --git a/libgo/go/strconv/fp_test.go b/libgo/go/strconv/fp_test.go
index 305adcc..34baeee 100644
--- a/libgo/go/strconv/fp_test.go
+++ b/libgo/go/strconv/fp_test.go
@@ -94,7 +94,7 @@ func myatof32(s string) (f float32, ok bool) {
 }
 
 func TestFp(t *testing.T) {
-	f, err := os.Open("testfp.txt", os.O_RDONLY, 0)
+	f, err := os.Open("testfp.txt")
 	if err != nil {
 		t.Fatal("testfp: open testfp.txt:", err.String())
 	}
diff --git a/libgo/go/testing/testing.go b/libgo/go/testing/testing.go
index 6d303cc..1e65528 100644
--- a/libgo/go/testing/testing.go
+++ b/libgo/go/testing/testing.go
@@ -212,7 +212,7 @@ func before() {
 		runtime.MemProfileRate = *memProfileRate
 	}
 	if *cpuProfile != "" {
-		f, err := os.Open(*cpuProfile, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, 0666)
+		f, err := os.Create(*cpuProfile)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "testing: %s", err)
 			return
@@ -233,7 +233,7 @@ func after() {
 		pprof.StopCPUProfile() // flushes profile to disk
 	}
 	if *memProfile != "" {
-		f, err := os.Open(*memProfile, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, 0666)
+		f, err := os.Create(*memProfile)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "testing: %s", err)
 			return
diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index 77d699e..05f4af0 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -57,6 +57,9 @@ cat > sysinfo.c <<EOF
 #if defined(HAVE_SYS_EPOLL_H)
 #include <sys/epoll.h>
 #endif
+#if defined(HAVE_SYS_MMAN_H)
+#include <sys/mman.h>
+#endif
 #if defined(HAVE_SYS_PTRACE_H)
 #include <sys/ptrace.h>
 #endif
@@ -131,6 +134,12 @@ grep '^const _SYS_' gen-sysinfo.go | \
 grep '^const _S_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
+# Mmap constants.
+grep '^const _PROT_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+grep '^const _MAP_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+
 # Process status constants.
 grep '^const _W' gen-sysinfo.go |
   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
diff --git a/libgo/syscalls/syscall.go b/libgo/syscalls/syscall.go
index fa7d9d0..8c7a7ba 100644
--- a/libgo/syscalls/syscall.go
+++ b/libgo/syscalls/syscall.go
@@ -13,7 +13,10 @@
 // the manuals for the appropriate operating system.
 package syscall
 
-import "unsafe"
+import (
+	"sync"
+	"unsafe"
+)
 
 func libc_syscall32(trap int32, a1, a2, a3, a4, a5, a6 int32) int32 __asm__ ("syscall");
 func libc_syscall64(trap int64, a1, a2, a3, a4, a5, a6 int64) int64 __asm__ ("syscall");
@@ -46,3 +49,63 @@ func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) {
   }
   return r, 0, uintptr(GetErrno());
 }
+
+// Mmap manager, for use by operating system-specific implementations.
+
+type mmapper struct {
+	sync.Mutex
+	active map[*byte][]byte // active mappings; key is last byte in mapping
+	mmap   func(addr, length uintptr, prot, flags, fd int, offset int64) (uintptr, int)
+	munmap func(addr uintptr, length uintptr) int
+}
+
+func (m *mmapper) Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, errno int) {
+	if length <= 0 {
+		return nil, EINVAL
+	}
+
+	// Map the requested memory.
+	addr, errno := m.mmap(0, uintptr(length), prot, flags, fd, offset)
+	if errno != 0 {
+		return nil, errno
+	}
+
+	// Slice memory layout
+	var sl = struct {
+		addr uintptr
+		len  int
+		cap  int
+	}{addr, length, length}
+
+	// Use unsafe to turn sl into a []byte.
+	b := *(*[]byte)(unsafe.Pointer(&sl))
+
+	// Register mapping in m and return it.
+	p := &b[cap(b)-1]
+	m.Lock()
+	defer m.Unlock()
+	m.active[p] = b
+	return b, 0
+}
+
+func (m *mmapper) Munmap(data []byte) (errno int) {
+	if len(data) == 0 || len(data) != cap(data) {
+		return EINVAL
+	}
+
+	// Find the base of the mapping.
+	p := &data[cap(data)-1]
+	m.Lock()
+	defer m.Unlock()
+	b := m.active[p]
+	if b == nil || &b[0] != &data[0] {
+		return EINVAL
+	}
+
+	// Unmap the memory and update m.
+	if errno := m.munmap(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b))); errno != 0 {
+		return errno
+	}
+	m.active[p] = nil, false
+	return 0
+}
diff --git a/libgo/syscalls/syscall_unix.go b/libgo/syscalls/syscall_unix.go
index a29b6b5..b5a660e 100644
--- a/libgo/syscalls/syscall_unix.go
+++ b/libgo/syscalls/syscall_unix.go
@@ -4,6 +4,8 @@
 
 package syscall
 
+import "unsafe"
+
 var (
 	Stdin  = 0
 	Stdout = 1
@@ -22,3 +24,35 @@ func Uname(buf *Utsname) (errno int) {
 	}
 	return
 }
+
+var mapper = &mmapper{
+	active: make(map[*byte][]byte),
+	mmap:   mmap,
+	munmap: munmap,
+}
+
+func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, errno int) {
+	return mapper.Mmap(fd, offset, length, prot, flags)
+}
+
+func Munmap(b []byte) (errno int) {
+	return mapper.Munmap(b)
+}
+
+func libc_munmap(*byte, Size_t) int __asm__ ("munmap")
+
+func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
+	r0 := libc_mmap((*byte)(unsafe.Pointer(addr)), Size_t(length), prot, flag, fd, Offset_t(pos))
+	ret = uintptr(unsafe.Pointer(r0))
+	if ret + 1 == 0 {
+		errno = GetErrno()
+	}
+	return
+}
+
+func munmap(addr uintptr, length uintptr) (errno int) {
+	if libc_munmap((*byte)(unsafe.Pointer(addr)), Size_t(length)) < 0 {
+		errno = GetErrno()
+	}
+	return
+}
diff --git a/libgo/syscalls/sysfile_largefile.go b/libgo/syscalls/sysfile_largefile.go
index 963a624..c0c4e55 100644
--- a/libgo/syscalls/sysfile_largefile.go
+++ b/libgo/syscalls/sysfile_largefile.go
@@ -11,3 +11,4 @@ func libc_pwrite(fd int, buf *byte, count Size_t, offset Offset_t) Ssize_t __asm
 func libc_lseek(int, Offset_t, int) Offset_t __asm__ ("lseek64")
 func libc_truncate(path *byte, length Offset_t) int __asm__ ("truncate64")
 func libc_ftruncate(fd int, length Offset_t) int __asm__ ("ftruncate64")
+func libc_mmap(*byte, Size_t, int, int, int, Offset_t) *byte __asm__ ("mmap64")
diff --git a/libgo/syscalls/sysfile_regfile.go b/libgo/syscalls/sysfile_regfile.go
index 731c59c..fcbf254 100644
--- a/libgo/syscalls/sysfile_regfile.go
+++ b/libgo/syscalls/sysfile_regfile.go
@@ -11,3 +11,4 @@ func libc_pwrite(fd int, buf *byte, count Size_t, offset Offset_t) Ssize_t __asm
 func libc_lseek(int, Offset_t, int) Offset_t __asm__ ("lseek")
 func libc_truncate(path *byte, length Offset_t) int __asm__ ("truncate")
 func libc_ftruncate(fd int, length Offset_t) int __asm__ ("ftruncate")
+func libc_mmap(*byte, Size_t, int, int, int, Offset_t) *byte __asm__ ("mmap")