From 1381f0f28e7b89adca1655aaa905135eaa9011b1 Mon Sep 17 00:00:00 2001 From: Unknwon Date: Mon, 13 Feb 2017 20:58:53 -0500 Subject: [PATCH] vendor: check in missing dependency --- vendor/golang.org/x/crypto/md4/md4.go | 118 +++++++++++++++++++++ vendor/golang.org/x/crypto/md4/md4block.go | 89 ++++++++++++++++ vendor/vendor.json | 6 ++ 3 files changed, 213 insertions(+) create mode 100644 vendor/golang.org/x/crypto/md4/md4.go create mode 100644 vendor/golang.org/x/crypto/md4/md4block.go 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/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 +} diff --git a/vendor/vendor.json b/vendor/vendor.json index 71ce8cff8..b1c83cf6e 100644 --- a/vendor/vendor.json +++ b/vendor/vendor.json @@ -362,6 +362,12 @@ "revision": "d8e61c69ab46ca38328da2f4995abaf93b252290", "revisionTime": "2016-12-13T22:25:08Z" }, + { + "checksumSHA1": "MCeXr2RNeiG1XG6V+er1OR0qyeo=", + "path": "golang.org/x/crypto/md4", + "revision": "453249f01cfeb54c3d549ddb75ff152ca243f9d8", + "revisionTime": "2017-02-08T20:51:15Z" + }, { "checksumSHA1": "1MGpGDQqnUoRpv7VEcQrXOBydXE=", "path": "golang.org/x/crypto/pbkdf2",