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Diffstat (limited to 'libgo/go/crypto/md4/md4.go')
-rw-r--r--libgo/go/crypto/md4/md4.go118
1 files changed, 0 insertions, 118 deletions
diff --git a/libgo/go/crypto/md4/md4.go b/libgo/go/crypto/md4/md4.go
deleted file mode 100644
index c5f7c57..0000000
--- a/libgo/go/crypto/md4/md4.go
+++ /dev/null
@@ -1,118 +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 md4 implements the MD4 hash algorithm as defined in RFC 1320.
-package md4
-
-import (
- "crypto"
- "hash"
-)
-
-func init() {
- crypto.RegisterHash(crypto.MD4, New)
-}
-
-// The size of an MD4 checksum in bytes.
-const Size = 16
-
-// The blocksize of MD4 in bytes.
-const BlockSize = 64
-
-const (
- _Chunk = 64
- _Init0 = 0x67452301
- _Init1 = 0xEFCDAB89
- _Init2 = 0x98BADCFE
- _Init3 = 0x10325476
-)
-
-// digest represents the partial evaluation of a checksum.
-type digest struct {
- s [4]uint32
- x [_Chunk]byte
- nx int
- len uint64
-}
-
-func (d *digest) Reset() {
- d.s[0] = _Init0
- d.s[1] = _Init1
- d.s[2] = _Init2
- d.s[3] = _Init3
- d.nx = 0
- d.len = 0
-}
-
-// New returns a new hash.Hash computing the MD4 checksum.
-func New() hash.Hash {
- d := new(digest)
- d.Reset()
- return d
-}
-
-func (d *digest) Size() int { return Size }
-
-func (d *digest) BlockSize() int { return BlockSize }
-
-func (d *digest) Write(p []byte) (nn int, err error) {
- nn = len(p)
- d.len += uint64(nn)
- if d.nx > 0 {
- n := len(p)
- if n > _Chunk-d.nx {
- n = _Chunk - d.nx
- }
- for i := 0; i < n; i++ {
- d.x[d.nx+i] = p[i]
- }
- d.nx += n
- if d.nx == _Chunk {
- _Block(d, d.x[0:])
- d.nx = 0
- }
- p = p[n:]
- }
- n := _Block(d, p)
- p = p[n:]
- if len(p) > 0 {
- d.nx = copy(d.x[:], p)
- }
- return
-}
-
-func (d0 *digest) Sum(in []byte) []byte {
- // Make a copy of d0, so that caller can keep writing and summing.
- d := new(digest)
- *d = *d0
-
- // Padding. Add a 1 bit and 0 bits until 56 bytes mod 64.
- len := d.len
- var tmp [64]byte
- tmp[0] = 0x80
- if len%64 < 56 {
- d.Write(tmp[0 : 56-len%64])
- } else {
- d.Write(tmp[0 : 64+56-len%64])
- }
-
- // Length in bits.
- len <<= 3
- for i := uint(0); i < 8; i++ {
- tmp[i] = byte(len >> (8 * i))
- }
- d.Write(tmp[0:8])
-
- if d.nx != 0 {
- panic("d.nx != 0")
- }
-
- for _, s := range d.s {
- in = append(in, byte(s>>0))
- in = append(in, byte(s>>8))
- in = append(in, byte(s>>16))
- in = append(in, byte(s>>24))
- }
- return in
-}