From 38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Thu, 12 May 2016 23:56:07 -0400 Subject: Moving to glide --- vendor/golang.org/x/crypto/md4/md4.go | 118 +++++++++++++++++++++++++++++ vendor/golang.org/x/crypto/md4/md4_test.go | 71 +++++++++++++++++ vendor/golang.org/x/crypto/md4/md4block.go | 89 ++++++++++++++++++++++ 3 files changed, 278 insertions(+) create mode 100644 vendor/golang.org/x/crypto/md4/md4.go create mode 100644 vendor/golang.org/x/crypto/md4/md4_test.go create mode 100644 vendor/golang.org/x/crypto/md4/md4block.go (limited to 'vendor/golang.org/x/crypto/md4') diff --git a/vendor/golang.org/x/crypto/md4/md4.go b/vendor/golang.org/x/crypto/md4/md4.go new file mode 100644 index 000000000..6d9ba9e5f --- /dev/null +++ b/vendor/golang.org/x/crypto/md4/md4.go @@ -0,0 +1,118 @@ +// 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 "golang.org/x/crypto/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 +} diff --git a/vendor/golang.org/x/crypto/md4/md4_test.go b/vendor/golang.org/x/crypto/md4/md4_test.go new file mode 100644 index 000000000..b56edd787 --- /dev/null +++ b/vendor/golang.org/x/crypto/md4/md4_test.go @@ -0,0 +1,71 @@ +// 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 + +import ( + "fmt" + "io" + "testing" +) + +type md4Test struct { + out string + in string +} + +var golden = []md4Test{ + {"31d6cfe0d16ae931b73c59d7e0c089c0", ""}, + {"bde52cb31de33e46245e05fbdbd6fb24", "a"}, + {"ec388dd78999dfc7cf4632465693b6bf", "ab"}, + {"a448017aaf21d8525fc10ae87aa6729d", "abc"}, + {"41decd8f579255c5200f86a4bb3ba740", "abcd"}, + {"9803f4a34e8eb14f96adba49064a0c41", "abcde"}, + {"804e7f1c2586e50b49ac65db5b645131", "abcdef"}, + {"752f4adfe53d1da0241b5bc216d098fc", "abcdefg"}, + {"ad9daf8d49d81988590a6f0e745d15dd", "abcdefgh"}, + {"1e4e28b05464316b56402b3815ed2dfd", "abcdefghi"}, + {"dc959c6f5d6f9e04e4380777cc964b3d", "abcdefghij"}, + {"1b5701e265778898ef7de5623bbe7cc0", "Discard medicine more than two years old."}, + {"d7f087e090fe7ad4a01cb59dacc9a572", "He who has a shady past knows that nice guys finish last."}, + {"a6f8fd6df617c72837592fc3570595c9", "I wouldn't marry him with a ten foot pole."}, + {"c92a84a9526da8abc240c05d6b1a1ce0", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"f6013160c4dcb00847069fee3bb09803", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"2c3bb64f50b9107ed57640fe94bec09f", "Nepal premier won't resign."}, + {"45b7d8a32c7806f2f7f897332774d6e4", "For every action there is an equal and opposite government program."}, + {"b5b4f9026b175c62d7654bdc3a1cd438", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"caf44e80f2c20ce19b5ba1cab766e7bd", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"191fae6707f496aa54a6bce9f2ecf74d", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"9ddc753e7a4ccee6081cd1b45b23a834", "size: a.out: bad magic"}, + {"8d050f55b1cadb9323474564be08a521", "The major problem is with sendmail. -Mark Horton"}, + {"ad6e2587f74c3e3cc19146f6127fa2e3", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"1d616d60a5fabe85589c3f1566ca7fca", "If the enemy is within range, then so are you."}, + {"aec3326a4f496a2ced65a1963f84577f", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"77b4fd762d6b9245e61c50bf6ebf118b", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"e8f48c726bae5e516f6ddb1a4fe62438", "C is as portable as Stonehedge!!"}, + {"a3a84366e7219e887423b01f9be7166e", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"a6b7aa35157e984ef5d9b7f32e5fbb52", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"75661f0545955f8f9abeeb17845f3fd6", "How can you write a big system without C++? -Paul Glick"}, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c := New() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("md4[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } +} diff --git a/vendor/golang.org/x/crypto/md4/md4block.go b/vendor/golang.org/x/crypto/md4/md4block.go new file mode 100644 index 000000000..3fed475f3 --- /dev/null +++ b/vendor/golang.org/x/crypto/md4/md4block.go @@ -0,0 +1,89 @@ +// 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. + +// MD4 block step. +// In its own file so that a faster assembly or C version +// can be substituted easily. + +package md4 + +var shift1 = []uint{3, 7, 11, 19} +var shift2 = []uint{3, 5, 9, 13} +var shift3 = []uint{3, 9, 11, 15} + +var xIndex2 = []uint{0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15} +var xIndex3 = []uint{0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15} + +func _Block(dig *digest, p []byte) int { + a := dig.s[0] + b := dig.s[1] + c := dig.s[2] + d := dig.s[3] + n := 0 + var X [16]uint32 + for len(p) >= _Chunk { + aa, bb, cc, dd := a, b, c, d + + j := 0 + for i := 0; i < 16; i++ { + X[i] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24 + j += 4 + } + + // If this needs to be made faster in the future, + // the usual trick is to unroll each of these + // loops by a factor of 4; that lets you replace + // the shift[] lookups with constants and, + // with suitable variable renaming in each + // unrolled body, delete the a, b, c, d = d, a, b, c + // (or you can let the optimizer do the renaming). + // + // The index variables are uint so that % by a power + // of two can be optimized easily by a compiler. + + // Round 1. + for i := uint(0); i < 16; i++ { + x := i + s := shift1[i%4] + f := ((c ^ d) & b) ^ d + a += f + X[x] + a = a<>(32-s) + a, b, c, d = d, a, b, c + } + + // Round 2. + for i := uint(0); i < 16; i++ { + x := xIndex2[i] + s := shift2[i%4] + g := (b & c) | (b & d) | (c & d) + a += g + X[x] + 0x5a827999 + a = a<>(32-s) + a, b, c, d = d, a, b, c + } + + // Round 3. + for i := uint(0); i < 16; i++ { + x := xIndex3[i] + s := shift3[i%4] + h := b ^ c ^ d + a += h + X[x] + 0x6ed9eba1 + a = a<>(32-s) + a, b, c, d = d, a, b, c + } + + a += aa + b += bb + c += cc + d += dd + + p = p[_Chunk:] + n += _Chunk + } + + dig.s[0] = a + dig.s[1] = b + dig.s[2] = c + dig.s[3] = d + return n +} -- cgit v1.2.3-1-g7c22