diff options
| -rw-r--r-- | ld/Makefile.am | 17 | ||||
| -rw-r--r-- | ld/Makefile.in | 19 | ||||
| -rw-r--r-- | ld/sha1.c | 416 | ||||
| -rw-r--r-- | ld/sha1.h | 87 |
4 files changed, 522 insertions, 17 deletions
diff --git a/ld/Makefile.am b/ld/Makefile.am index 72dd649..1f019b0 100644 --- a/ld/Makefile.am +++ b/ld/Makefile.am @@ -428,23 +428,23 @@ ALL_EMUL_EXTRA_OFILES = \ CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \ ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \ - mri.c ldcref.c pe-dll.c pep-dll.c + mri.c ldcref.c pe-dll.c pep-dll.c sha1.c HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \ ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \ - ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h + ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h sha1.h GENERATED_CFILES = ldgram.c ldlex.c deffilep.c GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \ ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \ - ldfile.o ldcref.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES} + ldfile.o ldcref.o sha1.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES} STAGESTUFF = *.o ldscripts/* e*.c # Disable -Werror, if it has been enabled, since old versions of bison/ -# yacc will produce working code which contain compile time warnings. +# yacc will produce working code which contain compile time warnings. ldgram.o: $(COMPILE) -c $< $(NO_WERROR) ldlex.o: @@ -674,7 +674,7 @@ eelf32xc16xl.c: $(srcdir)/emulparams/elf32xc16xl.sh \ eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \ $(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \ $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} - ${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)" + ${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)" eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \ $(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \ $(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS} @@ -749,7 +749,7 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \ ${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)" eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \ - $(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS} + $(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)" eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \ $(ELF_DEPS) \ @@ -768,7 +768,7 @@ eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \ ${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)" eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \ $(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \ - $(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS} + $(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32crx "$(tdir_elf32crx)" eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \ $(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \ @@ -1696,7 +1696,7 @@ ez8002.c: $(srcdir)/emulparams/z8002.sh \ EXTRA_ld_new_SOURCES = deffilep.y ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \ - ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c + ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c sha1.c ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP) ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL) @@ -2047,4 +2047,5 @@ deffilep.o: deffilep.c sysdep.h config.h $(INCDIR)/fopen-same.h \ $(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \ ../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \ ld.h ldmisc.h deffile.h +sha1.o: sha1.c config.h sha1.h # IF YOU PUT ANYTHING HERE IT WILL GO AWAY diff --git a/ld/Makefile.in b/ld/Makefile.in index 14ab81f..7587f27 100644 --- a/ld/Makefile.in +++ b/ld/Makefile.in @@ -75,7 +75,7 @@ am_ld_new_OBJECTS = ldgram.$(OBJEXT) ldlex.$(OBJEXT) lexsup.$(OBJEXT) \ ldlang.$(OBJEXT) mri.$(OBJEXT) ldctor.$(OBJEXT) \ ldmain.$(OBJEXT) ldwrite.$(OBJEXT) ldexp.$(OBJEXT) \ ldemul.$(OBJEXT) ldver.$(OBJEXT) ldmisc.$(OBJEXT) \ - ldfile.$(OBJEXT) ldcref.$(OBJEXT) + ldfile.$(OBJEXT) ldcref.$(OBJEXT) sha1.$(OBJEXT) ld_new_OBJECTS = $(am_ld_new_OBJECTS) am__DEPENDENCIES_1 = am__DEPENDENCIES_2 = ../bfd/libbfd.la @@ -675,17 +675,17 @@ ALL_EMUL_EXTRA_OFILES = \ CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \ ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \ - mri.c ldcref.c pe-dll.c pep-dll.c + mri.c ldcref.c pe-dll.c pep-dll.c sha1.c HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \ ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \ - ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h + ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h sha1.h GENERATED_CFILES = ldgram.c ldlex.c deffilep.c GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \ ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \ - ldfile.o ldcref.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES} + ldfile.o ldcref.o sha1.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES} STAGESTUFF = *.o ldscripts/* e*.c @@ -703,7 +703,7 @@ ELF_GEN_DEPS = $(srcdir)/emultempl/generic.em $(srcdir)/emultempl/elf-generic.em # We need this for automake to use YLWRAP. EXTRA_ld_new_SOURCES = deffilep.y ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \ - ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c + ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c sha1.c ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP) ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL) @@ -1283,7 +1283,7 @@ uninstall-man: uninstall-man1 # Disable -Werror, if it has been enabled, since old versions of bison/ -# yacc will produce working code which contain compile time warnings. +# yacc will produce working code which contain compile time warnings. ldgram.o: $(COMPILE) -c $< $(NO_WERROR) ldlex.o: @@ -1500,7 +1500,7 @@ eelf32xc16xl.c: $(srcdir)/emulparams/elf32xc16xl.sh \ eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \ $(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \ $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} - ${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)" + ${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)" eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \ $(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \ $(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS} @@ -1575,7 +1575,7 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \ ${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)" eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \ - $(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS} + $(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)" eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \ $(ELF_DEPS) \ @@ -1594,7 +1594,7 @@ eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \ ${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)" eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \ $(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \ - $(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS} + $(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32crx "$(tdir_elf32crx)" eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \ $(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \ @@ -2834,6 +2834,7 @@ deffilep.o: deffilep.c sysdep.h config.h $(INCDIR)/fopen-same.h \ $(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \ ../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \ ld.h ldmisc.h deffile.h +sha1.o: sha1.c config.h sha1.h # IF YOU PUT ANYTHING HERE IT WILL GO AWAY # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. diff --git a/ld/sha1.c b/ld/sha1.c new file mode 100644 index 0000000..035f898 --- /dev/null +++ b/ld/sha1.c @@ -0,0 +1,416 @@ +/* sha1.c - Functions to compute SHA1 message digest of files or + memory blocks according to the NIST specification FIPS-180-1. + + Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006 Free Software + Foundation, Inc. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Scott G. Miller + Credits: + Robert Klep <robert@ilse.nl> -- Expansion function fix +*/ + +#include <config.h> + +#include "sha1.h" + +#include <stddef.h> +#include <string.h> + +#if USE_UNLOCKED_IO +# include "unlocked-io.h" +#endif + +#ifdef WORDS_BIGENDIAN +# define SWAP(n) (n) +#else +# define SWAP(n) \ + (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24)) +#endif + +#define BLOCKSIZE 4096 +#if BLOCKSIZE % 64 != 0 +# error "invalid BLOCKSIZE" +#endif + +/* This array contains the bytes used to pad the buffer to the next + 64-byte boundary. (RFC 1321, 3.1: Step 1) */ +static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ }; + + +/* Take a pointer to a 160 bit block of data (five 32 bit ints) and + initialize it to the start constants of the SHA1 algorithm. This + must be called before using hash in the call to sha1_hash. */ +void +sha1_init_ctx (struct sha1_ctx *ctx) +{ + ctx->A = 0x67452301; + ctx->B = 0xefcdab89; + ctx->C = 0x98badcfe; + ctx->D = 0x10325476; + ctx->E = 0xc3d2e1f0; + + ctx->total[0] = ctx->total[1] = 0; + ctx->buflen = 0; +} + +/* Put result from CTX in first 20 bytes following RESBUF. The result + must be in little endian byte order. + + IMPORTANT: On some systems it is required that RESBUF is correctly + aligned for a 32-bit value. */ +void * +sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf) +{ + ((uint32_t *) resbuf)[0] = SWAP (ctx->A); + ((uint32_t *) resbuf)[1] = SWAP (ctx->B); + ((uint32_t *) resbuf)[2] = SWAP (ctx->C); + ((uint32_t *) resbuf)[3] = SWAP (ctx->D); + ((uint32_t *) resbuf)[4] = SWAP (ctx->E); + + return resbuf; +} + +/* Process the remaining bytes in the internal buffer and the usual + prolog according to the standard and write the result to RESBUF. + + IMPORTANT: On some systems it is required that RESBUF is correctly + aligned for a 32-bit value. */ +void * +sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf) +{ + /* Take yet unprocessed bytes into account. */ + uint32_t bytes = ctx->buflen; + size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4; + + /* Now count remaining bytes. */ + ctx->total[0] += bytes; + if (ctx->total[0] < bytes) + ++ctx->total[1]; + + /* Put the 64-bit file length in *bits* at the end of the buffer. */ + ctx->buffer[size - 2] = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29)); + ctx->buffer[size - 1] = SWAP (ctx->total[0] << 3); + + memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes); + + /* Process last bytes. */ + sha1_process_block (ctx->buffer, size * 4, ctx); + + return sha1_read_ctx (ctx, resbuf); +} + +/* Compute SHA1 message digest for bytes read from STREAM. The + resulting message digest number will be written into the 16 bytes + beginning at RESBLOCK. */ +int +sha1_stream (FILE *stream, void *resblock) +{ + struct sha1_ctx ctx; + char buffer[BLOCKSIZE + 72]; + size_t sum; + + /* Initialize the computation context. */ + sha1_init_ctx (&ctx); + + /* Iterate over full file contents. */ + while (1) + { + /* We read the file in blocks of BLOCKSIZE bytes. One call of the + computation function processes the whole buffer so that with the + next round of the loop another block can be read. */ + size_t n; + sum = 0; + + /* Read block. Take care for partial reads. */ + while (1) + { + n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream); + + sum += n; + + if (sum == BLOCKSIZE) + break; + + if (n == 0) + { + /* Check for the error flag IFF N == 0, so that we don't + exit the loop after a partial read due to e.g., EAGAIN + or EWOULDBLOCK. */ + if (ferror (stream)) + return 1; + goto process_partial_block; + } + + /* We've read at least one byte, so ignore errors. But always + check for EOF, since feof may be true even though N > 0. + Otherwise, we could end up calling fread after EOF. */ + if (feof (stream)) + goto process_partial_block; + } + + /* Process buffer with BLOCKSIZE bytes. Note that + BLOCKSIZE % 64 == 0 + */ + sha1_process_block (buffer, BLOCKSIZE, &ctx); + } + + process_partial_block:; + + /* Process any remaining bytes. */ + if (sum > 0) + sha1_process_bytes (buffer, sum, &ctx); + + /* Construct result in desired memory. */ + sha1_finish_ctx (&ctx, resblock); + return 0; +} + +/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The + result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ +void * +sha1_buffer (const char *buffer, size_t len, void *resblock) +{ + struct sha1_ctx ctx; + + /* Initialize the computation context. */ + sha1_init_ctx (&ctx); + + /* Process whole buffer but last len % 64 bytes. */ + sha1_process_bytes (buffer, len, &ctx); + + /* Put result in desired memory area. */ + return sha1_finish_ctx (&ctx, resblock); +} + +void +sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx) +{ + /* When we already have some bits in our internal buffer concatenate + both inputs first. */ + if (ctx->buflen != 0) + { + size_t left_over = ctx->buflen; + size_t add = 128 - left_over > len ? len : 128 - left_over; + + memcpy (&((char *) ctx->buffer)[left_over], buffer, add); + ctx->buflen += add; + + if (ctx->buflen > 64) + { + sha1_process_block (ctx->buffer, ctx->buflen & ~63, ctx); + + ctx->buflen &= 63; + /* The regions in the following copy operation cannot overlap. */ + memcpy (ctx->buffer, + &((char *) ctx->buffer)[(left_over + add) & ~63], + ctx->buflen); + } + + buffer = (const char *) buffer + add; + len -= add; + } + + /* Process available complete blocks. */ + if (len >= 64) + { +#if !_STRING_ARCH_unaligned +# define alignof(type) offsetof (struct { char c; type x; }, x) +# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0) + if (UNALIGNED_P (buffer)) + while (len > 64) + { + sha1_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx); + buffer = (const char *) buffer + 64; + len -= 64; + } + else +#endif + { + sha1_process_block (buffer, len & ~63, ctx); + buffer = (const char *) buffer + (len & ~63); + len &= 63; + } + } + + /* Move remaining bytes in internal buffer. */ + if (len > 0) + { + size_t left_over = ctx->buflen; + + memcpy (&((char *) ctx->buffer)[left_over], buffer, len); + left_over += len; + if (left_over >= 64) + { + sha1_process_block (ctx->buffer, 64, ctx); + left_over -= 64; + memcpy (ctx->buffer, &ctx->buffer[16], left_over); + } + ctx->buflen = left_over; + } +} + +/* --- Code below is the primary difference between md5.c and sha1.c --- */ + +/* SHA1 round constants */ +#define K1 0x5a827999 +#define K2 0x6ed9eba1 +#define K3 0x8f1bbcdc +#define K4 0xca62c1d6 + +/* Round functions. Note that F2 is the same as F4. */ +#define F1(B,C,D) ( D ^ ( B & ( C ^ D ) ) ) +#define F2(B,C,D) (B ^ C ^ D) +#define F3(B,C,D) ( ( B & C ) | ( D & ( B | C ) ) ) +#define F4(B,C,D) (B ^ C ^ D) + +/* Process LEN bytes of BUFFER, accumulating context into CTX. + It is assumed that LEN % 64 == 0. + Most of this code comes from GnuPG's cipher/sha1.c. */ + +void +sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx) +{ + const uint32_t *words = buffer; + size_t nwords = len / sizeof (uint32_t); + const uint32_t *endp = words + nwords; + uint32_t x[16]; + uint32_t a = ctx->A; + uint32_t b = ctx->B; + uint32_t c = ctx->C; + uint32_t d = ctx->D; + uint32_t e = ctx->E; + + /* First increment the byte count. RFC 1321 specifies the possible + length of the file up to 2^64 bits. Here we only compute the + number of bytes. Do a double word increment. */ + ctx->total[0] += len; + if (ctx->total[0] < len) + ++ctx->total[1]; + +#define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n)))) + +#define M(I) ( tm = x[I&0x0f] ^ x[(I-14)&0x0f] \ + ^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \ + , (x[I&0x0f] = rol(tm, 1)) ) + +#define R(A,B,C,D,E,F,K,M) do { E += rol( A, 5 ) \ + + F( B, C, D ) \ + + K \ + + M; \ + B = rol( B, 30 ); \ + } while(0) + + while (words < endp) + { + uint32_t tm; + int t; + for (t = 0; t < 16; t++) + { + x[t] = SWAP (*words); + words++; + } + + R( a, b, c, d, e, F1, K1, x[ 0] ); + R( e, a, b, c, d, F1, K1, x[ 1] ); + R( d, e, a, b, c, F1, K1, x[ 2] ); + R( c, d, e, a, b, F1, K1, x[ 3] ); + R( b, c, d, e, a, F1, K1, x[ 4] ); + R( a, b, c, d, e, F1, K1, x[ 5] ); + R( e, a, b, c, d, F1, K1, x[ 6] ); + R( d, e, a, b, c, F1, K1, x[ 7] ); + R( c, d, e, a, b, F1, K1, x[ 8] ); + R( b, c, d, e, a, F1, K1, x[ 9] ); + R( a, b, c, d, e, F1, K1, x[10] ); + R( e, a, b, c, d, F1, K1, x[11] ); + R( d, e, a, b, c, F1, K1, x[12] ); + R( c, d, e, a, b, F1, K1, x[13] ); + R( b, c, d, e, a, F1, K1, x[14] ); + R( a, b, c, d, e, F1, K1, x[15] ); + R( e, a, b, c, d, F1, K1, M(16) ); + R( d, e, a, b, c, F1, K1, M(17) ); + R( c, d, e, a, b, F1, K1, M(18) ); + R( b, c, d, e, a, F1, K1, M(19) ); + R( a, b, c, d, e, F2, K2, M(20) ); + R( e, a, b, c, d, F2, K2, M(21) ); + R( d, e, a, b, c, F2, K2, M(22) ); + R( c, d, e, a, b, F2, K2, M(23) ); + R( b, c, d, e, a, F2, K2, M(24) ); + R( a, b, c, d, e, F2, K2, M(25) ); + R( e, a, b, c, d, F2, K2, M(26) ); + R( d, e, a, b, c, F2, K2, M(27) ); + R( c, d, e, a, b, F2, K2, M(28) ); + R( b, c, d, e, a, F2, K2, M(29) ); + R( a, b, c, d, e, F2, K2, M(30) ); + R( e, a, b, c, d, F2, K2, M(31) ); + R( d, e, a, b, c, F2, K2, M(32) ); + R( c, d, e, a, b, F2, K2, M(33) ); + R( b, c, d, e, a, F2, K2, M(34) ); + R( a, b, c, d, e, F2, K2, M(35) ); + R( e, a, b, c, d, F2, K2, M(36) ); + R( d, e, a, b, c, F2, K2, M(37) ); + R( c, d, e, a, b, F2, K2, M(38) ); + R( b, c, d, e, a, F2, K2, M(39) ); + R( a, b, c, d, e, F3, K3, M(40) ); + R( e, a, b, c, d, F3, K3, M(41) ); + R( d, e, a, b, c, F3, K3, M(42) ); + R( c, d, e, a, b, F3, K3, M(43) ); + R( b, c, d, e, a, F3, K3, M(44) ); + R( a, b, c, d, e, F3, K3, M(45) ); + R( e, a, b, c, d, F3, K3, M(46) ); + R( d, e, a, b, c, F3, K3, M(47) ); + R( c, d, e, a, b, F3, K3, M(48) ); + R( b, c, d, e, a, F3, K3, M(49) ); + R( a, b, c, d, e, F3, K3, M(50) ); + R( e, a, b, c, d, F3, K3, M(51) ); + R( d, e, a, b, c, F3, K3, M(52) ); + R( c, d, e, a, b, F3, K3, M(53) ); + R( b, c, d, e, a, F3, K3, M(54) ); + R( a, b, c, d, e, F3, K3, M(55) ); + R( e, a, b, c, d, F3, K3, M(56) ); + R( d, e, a, b, c, F3, K3, M(57) ); + R( c, d, e, a, b, F3, K3, M(58) ); + R( b, c, d, e, a, F3, K3, M(59) ); + R( a, b, c, d, e, F4, K4, M(60) ); + R( e, a, b, c, d, F4, K4, M(61) ); + R( d, e, a, b, c, F4, K4, M(62) ); + R( c, d, e, a, b, F4, K4, M(63) ); + R( b, c, d, e, a, F4, K4, M(64) ); + R( a, b, c, d, e, F4, K4, M(65) ); + R( e, a, b, c, d, F4, K4, M(66) ); + R( d, e, a, b, c, F4, K4, M(67) ); + R( c, d, e, a, b, F4, K4, M(68) ); + R( b, c, d, e, a, F4, K4, M(69) ); + R( a, b, c, d, e, F4, K4, M(70) ); + R( e, a, b, c, d, F4, K4, M(71) ); + R( d, e, a, b, c, F4, K4, M(72) ); + R( c, d, e, a, b, F4, K4, M(73) ); + R( b, c, d, e, a, F4, K4, M(74) ); + R( a, b, c, d, e, F4, K4, M(75) ); + R( e, a, b, c, d, F4, K4, M(76) ); + R( d, e, a, b, c, F4, K4, M(77) ); + R( c, d, e, a, b, F4, K4, M(78) ); + R( b, c, d, e, a, F4, K4, M(79) ); + + a = ctx->A += a; + b = ctx->B += b; + c = ctx->C += c; + d = ctx->D += d; + e = ctx->E += e; + } +} diff --git a/ld/sha1.h b/ld/sha1.h new file mode 100644 index 0000000..9545f0b --- /dev/null +++ b/ld/sha1.h @@ -0,0 +1,87 @@ +/* Declarations of functions and data types used for SHA1 sum + library functions. + Copyright (C) 2000, 2001, 2003, 2005, 2006 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef SHA1_H +# define SHA1_H 1 + +# include <stdio.h> +# include <stdint.h> + +/* Structure to save state of computation between the single steps. */ +struct sha1_ctx +{ + uint32_t A; + uint32_t B; + uint32_t C; + uint32_t D; + uint32_t E; + + uint32_t total[2]; + uint32_t buflen; + uint32_t buffer[32]; +}; + + +/* Initialize structure containing state of computation. */ +extern void sha1_init_ctx (struct sha1_ctx *ctx); + +/* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is necessary that LEN is a multiple of 64!!! */ +extern void sha1_process_block (const void *buffer, size_t len, + struct sha1_ctx *ctx); + +/* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is NOT required that LEN is a multiple of 64. */ +extern void sha1_process_bytes (const void *buffer, size_t len, + struct sha1_ctx *ctx); + +/* Process the remaining bytes in the buffer and put result from CTX + in first 20 bytes following RESBUF. The result is always in little + endian byte order, so that a byte-wise output yields to the wanted + ASCII representation of the message digest. + + IMPORTANT: On some systems it is required that RESBUF be correctly + aligned for a 32 bits value. */ +extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf); + + +/* Put result from CTX in first 20 bytes following RESBUF. The result is + always in little endian byte order, so that a byte-wise output yields + to the wanted ASCII representation of the message digest. + + IMPORTANT: On some systems it is required that RESBUF is correctly + aligned for a 32 bits value. */ +extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf); + + +/* Compute SHA1 message digest for bytes read from STREAM. The + resulting message digest number will be written into the 20 bytes + beginning at RESBLOCK. */ +extern int sha1_stream (FILE *stream, void *resblock); + +/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The + result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ +extern void *sha1_buffer (const char *buffer, size_t len, void *resblock); + +#endif |