crypto: switch to golang.org/x/crypto
code.google.com/p/go.crypto is deprecated and will cause problems in future versions of Go.
This commit is contained in:
120
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160.go
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120
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160.go
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@@ -0,0 +1,120 @@
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package ripemd160 implements the RIPEMD-160 hash algorithm.
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package ripemd160
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// RIPEMD-160 is designed by by Hans Dobbertin, Antoon Bosselaers, and Bart
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// Preneel with specifications available at:
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// http://homes.esat.kuleuven.be/~cosicart/pdf/AB-9601/AB-9601.pdf.
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import (
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"crypto"
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"hash"
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)
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func init() {
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crypto.RegisterHash(crypto.RIPEMD160, New)
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}
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// The size of the checksum in bytes.
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const Size = 20
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// The block size of the hash algorithm in bytes.
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const BlockSize = 64
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const (
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_s0 = 0x67452301
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_s1 = 0xefcdab89
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_s2 = 0x98badcfe
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_s3 = 0x10325476
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_s4 = 0xc3d2e1f0
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)
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// digest represents the partial evaluation of a checksum.
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type digest struct {
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s [5]uint32 // running context
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x [BlockSize]byte // temporary buffer
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nx int // index into x
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tc uint64 // total count of bytes processed
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}
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func (d *digest) Reset() {
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d.s[0], d.s[1], d.s[2], d.s[3], d.s[4] = _s0, _s1, _s2, _s3, _s4
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d.nx = 0
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d.tc = 0
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}
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// New returns a new hash.Hash computing the checksum.
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func New() hash.Hash {
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result := new(digest)
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result.Reset()
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return result
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}
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func (d *digest) Size() int { return Size }
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func (d *digest) BlockSize() int { return BlockSize }
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func (d *digest) Write(p []byte) (nn int, err error) {
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nn = len(p)
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d.tc += uint64(nn)
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if d.nx > 0 {
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n := len(p)
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if n > BlockSize-d.nx {
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n = BlockSize - d.nx
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}
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for i := 0; i < n; i++ {
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d.x[d.nx+i] = p[i]
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}
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d.nx += n
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if d.nx == BlockSize {
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_Block(d, d.x[0:])
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d.nx = 0
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}
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p = p[n:]
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}
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n := _Block(d, p)
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p = p[n:]
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if len(p) > 0 {
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d.nx = copy(d.x[:], p)
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}
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return
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}
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func (d0 *digest) Sum(in []byte) []byte {
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// Make a copy of d0 so that caller can keep writing and summing.
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d := *d0
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// Padding. Add a 1 bit and 0 bits until 56 bytes mod 64.
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tc := d.tc
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var tmp [64]byte
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tmp[0] = 0x80
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if tc%64 < 56 {
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d.Write(tmp[0 : 56-tc%64])
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} else {
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d.Write(tmp[0 : 64+56-tc%64])
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}
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// Length in bits.
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tc <<= 3
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for i := uint(0); i < 8; i++ {
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tmp[i] = byte(tc >> (8 * i))
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}
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d.Write(tmp[0:8])
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if d.nx != 0 {
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panic("d.nx != 0")
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}
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var digest [Size]byte
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for i, s := range d.s {
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digest[i*4] = byte(s)
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digest[i*4+1] = byte(s >> 8)
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digest[i*4+2] = byte(s >> 16)
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digest[i*4+3] = byte(s >> 24)
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}
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return append(in, digest[:]...)
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}
|
64
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160_test.go
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64
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160_test.go
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@@ -0,0 +1,64 @@
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ripemd160
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// Test vectors are from:
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// http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
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import (
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"fmt"
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"io"
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"testing"
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)
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type mdTest struct {
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out string
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in string
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}
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var vectors = [...]mdTest{
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{"9c1185a5c5e9fc54612808977ee8f548b2258d31", ""},
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{"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe", "a"},
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{"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc", "abc"},
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{"5d0689ef49d2fae572b881b123a85ffa21595f36", "message digest"},
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{"f71c27109c692c1b56bbdceb5b9d2865b3708dbc", "abcdefghijklmnopqrstuvwxyz"},
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{"12a053384a9c0c88e405a06c27dcf49ada62eb2b", "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"},
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{"b0e20b6e3116640286ed3a87a5713079b21f5189", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"},
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{"9b752e45573d4b39f4dbd3323cab82bf63326bfb", "12345678901234567890123456789012345678901234567890123456789012345678901234567890"},
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}
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func TestVectors(t *testing.T) {
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for i := 0; i < len(vectors); i++ {
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tv := vectors[i]
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md := New()
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for j := 0; j < 3; j++ {
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if j < 2 {
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io.WriteString(md, tv.in)
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} else {
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io.WriteString(md, tv.in[0:len(tv.in)/2])
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md.Sum(nil)
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io.WriteString(md, tv.in[len(tv.in)/2:])
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}
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s := fmt.Sprintf("%x", md.Sum(nil))
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if s != tv.out {
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t.Fatalf("RIPEMD-160[%d](%s) = %s, expected %s", j, tv.in, s, tv.out)
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}
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md.Reset()
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}
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}
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}
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func TestMillionA(t *testing.T) {
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md := New()
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for i := 0; i < 100000; i++ {
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io.WriteString(md, "aaaaaaaaaa")
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}
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out := "52783243c1697bdbe16d37f97f68f08325dc1528"
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s := fmt.Sprintf("%x", md.Sum(nil))
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if s != out {
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t.Fatalf("RIPEMD-160 (1 million 'a') = %s, expected %s", s, out)
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}
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md.Reset()
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}
|
161
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160block.go
generated
vendored
Normal file
161
Godeps/_workspace/src/golang.org/x/crypto/ripemd160/ripemd160block.go
generated
vendored
Normal file
@@ -0,0 +1,161 @@
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// Copyright 2010 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
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||||
// license that can be found in the LICENSE file.
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// RIPEMD-160 block step.
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// In its own file so that a faster assembly or C version
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// can be substituted easily.
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package ripemd160
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// work buffer indices and roll amounts for one line
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var _n = [80]uint{
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
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||||
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
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||||
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
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||||
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13,
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||||
}
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||||
var _r = [80]uint{
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||||
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
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||||
7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
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||||
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
|
||||
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
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||||
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6,
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||||
}
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||||
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// same for the other parallel one
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||||
var n_ = [80]uint{
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5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
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||||
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
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||||
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
|
||||
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
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||||
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11,
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||||
}
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||||
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var r_ = [80]uint{
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8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
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||||
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
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||||
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
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||||
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
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||||
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11,
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||||
}
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||||
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||||
func _Block(md *digest, p []byte) int {
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||||
n := 0
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||||
var x [16]uint32
|
||||
var alpha, beta uint32
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||||
for len(p) >= BlockSize {
|
||||
a, b, c, d, e := md.s[0], md.s[1], md.s[2], md.s[3], md.s[4]
|
||||
aa, bb, cc, dd, ee := a, b, c, d, e
|
||||
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
|
||||
}
|
||||
|
||||
// round 1
|
||||
i := 0
|
||||
for i < 16 {
|
||||
alpha = a + (b ^ c ^ d) + x[_n[i]]
|
||||
s := _r[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + e
|
||||
beta = c<<10 | c>>22
|
||||
a, b, c, d, e = e, alpha, b, beta, d
|
||||
|
||||
// parallel line
|
||||
alpha = aa + (bb ^ (cc | ^dd)) + x[n_[i]] + 0x50a28be6
|
||||
s = r_[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + ee
|
||||
beta = cc<<10 | cc>>22
|
||||
aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
|
||||
|
||||
i++
|
||||
}
|
||||
|
||||
// round 2
|
||||
for i < 32 {
|
||||
alpha = a + (b&c | ^b&d) + x[_n[i]] + 0x5a827999
|
||||
s := _r[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + e
|
||||
beta = c<<10 | c>>22
|
||||
a, b, c, d, e = e, alpha, b, beta, d
|
||||
|
||||
// parallel line
|
||||
alpha = aa + (bb&dd | cc&^dd) + x[n_[i]] + 0x5c4dd124
|
||||
s = r_[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + ee
|
||||
beta = cc<<10 | cc>>22
|
||||
aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
|
||||
|
||||
i++
|
||||
}
|
||||
|
||||
// round 3
|
||||
for i < 48 {
|
||||
alpha = a + (b | ^c ^ d) + x[_n[i]] + 0x6ed9eba1
|
||||
s := _r[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + e
|
||||
beta = c<<10 | c>>22
|
||||
a, b, c, d, e = e, alpha, b, beta, d
|
||||
|
||||
// parallel line
|
||||
alpha = aa + (bb | ^cc ^ dd) + x[n_[i]] + 0x6d703ef3
|
||||
s = r_[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + ee
|
||||
beta = cc<<10 | cc>>22
|
||||
aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
|
||||
|
||||
i++
|
||||
}
|
||||
|
||||
// round 4
|
||||
for i < 64 {
|
||||
alpha = a + (b&d | c&^d) + x[_n[i]] + 0x8f1bbcdc
|
||||
s := _r[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + e
|
||||
beta = c<<10 | c>>22
|
||||
a, b, c, d, e = e, alpha, b, beta, d
|
||||
|
||||
// parallel line
|
||||
alpha = aa + (bb&cc | ^bb&dd) + x[n_[i]] + 0x7a6d76e9
|
||||
s = r_[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + ee
|
||||
beta = cc<<10 | cc>>22
|
||||
aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
|
||||
|
||||
i++
|
||||
}
|
||||
|
||||
// round 5
|
||||
for i < 80 {
|
||||
alpha = a + (b ^ (c | ^d)) + x[_n[i]] + 0xa953fd4e
|
||||
s := _r[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + e
|
||||
beta = c<<10 | c>>22
|
||||
a, b, c, d, e = e, alpha, b, beta, d
|
||||
|
||||
// parallel line
|
||||
alpha = aa + (bb ^ cc ^ dd) + x[n_[i]]
|
||||
s = r_[i]
|
||||
alpha = (alpha<<s | alpha>>(32-s)) + ee
|
||||
beta = cc<<10 | cc>>22
|
||||
aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
|
||||
|
||||
i++
|
||||
}
|
||||
|
||||
// combine results
|
||||
dd += c + md.s[1]
|
||||
md.s[1] = md.s[2] + d + ee
|
||||
md.s[2] = md.s[3] + e + aa
|
||||
md.s[3] = md.s[4] + a + bb
|
||||
md.s[4] = md.s[0] + b + cc
|
||||
md.s[0] = dd
|
||||
|
||||
p = p[BlockSize:]
|
||||
n += BlockSize
|
||||
}
|
||||
return n
|
||||
}
|
243
Godeps/_workspace/src/golang.org/x/crypto/scrypt/scrypt.go
generated
vendored
Normal file
243
Godeps/_workspace/src/golang.org/x/crypto/scrypt/scrypt.go
generated
vendored
Normal file
@@ -0,0 +1,243 @@
|
||||
// Copyright 2012 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 scrypt implements the scrypt key derivation function as defined in
|
||||
// Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard
|
||||
// Functions" (http://www.tarsnap.com/scrypt/scrypt.pdf).
|
||||
package scrypt
|
||||
|
||||
import (
|
||||
"crypto/sha256"
|
||||
"errors"
|
||||
|
||||
"golang.org/x/crypto/pbkdf2"
|
||||
)
|
||||
|
||||
const maxInt = int(^uint(0) >> 1)
|
||||
|
||||
// blockCopy copies n numbers from src into dst.
|
||||
func blockCopy(dst, src []uint32, n int) {
|
||||
copy(dst, src[:n])
|
||||
}
|
||||
|
||||
// blockXOR XORs numbers from dst with n numbers from src.
|
||||
func blockXOR(dst, src []uint32, n int) {
|
||||
for i, v := range src[:n] {
|
||||
dst[i] ^= v
|
||||
}
|
||||
}
|
||||
|
||||
// salsaXOR applies Salsa20/8 to the XOR of 16 numbers from tmp and in,
|
||||
// and puts the result into both both tmp and out.
|
||||
func salsaXOR(tmp *[16]uint32, in, out []uint32) {
|
||||
w0 := tmp[0] ^ in[0]
|
||||
w1 := tmp[1] ^ in[1]
|
||||
w2 := tmp[2] ^ in[2]
|
||||
w3 := tmp[3] ^ in[3]
|
||||
w4 := tmp[4] ^ in[4]
|
||||
w5 := tmp[5] ^ in[5]
|
||||
w6 := tmp[6] ^ in[6]
|
||||
w7 := tmp[7] ^ in[7]
|
||||
w8 := tmp[8] ^ in[8]
|
||||
w9 := tmp[9] ^ in[9]
|
||||
w10 := tmp[10] ^ in[10]
|
||||
w11 := tmp[11] ^ in[11]
|
||||
w12 := tmp[12] ^ in[12]
|
||||
w13 := tmp[13] ^ in[13]
|
||||
w14 := tmp[14] ^ in[14]
|
||||
w15 := tmp[15] ^ in[15]
|
||||
|
||||
x0, x1, x2, x3, x4, x5, x6, x7, x8 := w0, w1, w2, w3, w4, w5, w6, w7, w8
|
||||
x9, x10, x11, x12, x13, x14, x15 := w9, w10, w11, w12, w13, w14, w15
|
||||
|
||||
for i := 0; i < 8; i += 2 {
|
||||
u := x0 + x12
|
||||
x4 ^= u<<7 | u>>(32-7)
|
||||
u = x4 + x0
|
||||
x8 ^= u<<9 | u>>(32-9)
|
||||
u = x8 + x4
|
||||
x12 ^= u<<13 | u>>(32-13)
|
||||
u = x12 + x8
|
||||
x0 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x5 + x1
|
||||
x9 ^= u<<7 | u>>(32-7)
|
||||
u = x9 + x5
|
||||
x13 ^= u<<9 | u>>(32-9)
|
||||
u = x13 + x9
|
||||
x1 ^= u<<13 | u>>(32-13)
|
||||
u = x1 + x13
|
||||
x5 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x10 + x6
|
||||
x14 ^= u<<7 | u>>(32-7)
|
||||
u = x14 + x10
|
||||
x2 ^= u<<9 | u>>(32-9)
|
||||
u = x2 + x14
|
||||
x6 ^= u<<13 | u>>(32-13)
|
||||
u = x6 + x2
|
||||
x10 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x15 + x11
|
||||
x3 ^= u<<7 | u>>(32-7)
|
||||
u = x3 + x15
|
||||
x7 ^= u<<9 | u>>(32-9)
|
||||
u = x7 + x3
|
||||
x11 ^= u<<13 | u>>(32-13)
|
||||
u = x11 + x7
|
||||
x15 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x0 + x3
|
||||
x1 ^= u<<7 | u>>(32-7)
|
||||
u = x1 + x0
|
||||
x2 ^= u<<9 | u>>(32-9)
|
||||
u = x2 + x1
|
||||
x3 ^= u<<13 | u>>(32-13)
|
||||
u = x3 + x2
|
||||
x0 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x5 + x4
|
||||
x6 ^= u<<7 | u>>(32-7)
|
||||
u = x6 + x5
|
||||
x7 ^= u<<9 | u>>(32-9)
|
||||
u = x7 + x6
|
||||
x4 ^= u<<13 | u>>(32-13)
|
||||
u = x4 + x7
|
||||
x5 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x10 + x9
|
||||
x11 ^= u<<7 | u>>(32-7)
|
||||
u = x11 + x10
|
||||
x8 ^= u<<9 | u>>(32-9)
|
||||
u = x8 + x11
|
||||
x9 ^= u<<13 | u>>(32-13)
|
||||
u = x9 + x8
|
||||
x10 ^= u<<18 | u>>(32-18)
|
||||
|
||||
u = x15 + x14
|
||||
x12 ^= u<<7 | u>>(32-7)
|
||||
u = x12 + x15
|
||||
x13 ^= u<<9 | u>>(32-9)
|
||||
u = x13 + x12
|
||||
x14 ^= u<<13 | u>>(32-13)
|
||||
u = x14 + x13
|
||||
x15 ^= u<<18 | u>>(32-18)
|
||||
}
|
||||
x0 += w0
|
||||
x1 += w1
|
||||
x2 += w2
|
||||
x3 += w3
|
||||
x4 += w4
|
||||
x5 += w5
|
||||
x6 += w6
|
||||
x7 += w7
|
||||
x8 += w8
|
||||
x9 += w9
|
||||
x10 += w10
|
||||
x11 += w11
|
||||
x12 += w12
|
||||
x13 += w13
|
||||
x14 += w14
|
||||
x15 += w15
|
||||
|
||||
out[0], tmp[0] = x0, x0
|
||||
out[1], tmp[1] = x1, x1
|
||||
out[2], tmp[2] = x2, x2
|
||||
out[3], tmp[3] = x3, x3
|
||||
out[4], tmp[4] = x4, x4
|
||||
out[5], tmp[5] = x5, x5
|
||||
out[6], tmp[6] = x6, x6
|
||||
out[7], tmp[7] = x7, x7
|
||||
out[8], tmp[8] = x8, x8
|
||||
out[9], tmp[9] = x9, x9
|
||||
out[10], tmp[10] = x10, x10
|
||||
out[11], tmp[11] = x11, x11
|
||||
out[12], tmp[12] = x12, x12
|
||||
out[13], tmp[13] = x13, x13
|
||||
out[14], tmp[14] = x14, x14
|
||||
out[15], tmp[15] = x15, x15
|
||||
}
|
||||
|
||||
func blockMix(tmp *[16]uint32, in, out []uint32, r int) {
|
||||
blockCopy(tmp[:], in[(2*r-1)*16:], 16)
|
||||
for i := 0; i < 2*r; i += 2 {
|
||||
salsaXOR(tmp, in[i*16:], out[i*8:])
|
||||
salsaXOR(tmp, in[i*16+16:], out[i*8+r*16:])
|
||||
}
|
||||
}
|
||||
|
||||
func integer(b []uint32, r int) uint64 {
|
||||
j := (2*r - 1) * 16
|
||||
return uint64(b[j]) | uint64(b[j+1])<<32
|
||||
}
|
||||
|
||||
func smix(b []byte, r, N int, v, xy []uint32) {
|
||||
var tmp [16]uint32
|
||||
x := xy
|
||||
y := xy[32*r:]
|
||||
|
||||
j := 0
|
||||
for i := 0; i < 32*r; i++ {
|
||||
x[i] = uint32(b[j]) | uint32(b[j+1])<<8 | uint32(b[j+2])<<16 | uint32(b[j+3])<<24
|
||||
j += 4
|
||||
}
|
||||
for i := 0; i < N; i += 2 {
|
||||
blockCopy(v[i*(32*r):], x, 32*r)
|
||||
blockMix(&tmp, x, y, r)
|
||||
|
||||
blockCopy(v[(i+1)*(32*r):], y, 32*r)
|
||||
blockMix(&tmp, y, x, r)
|
||||
}
|
||||
for i := 0; i < N; i += 2 {
|
||||
j := int(integer(x, r) & uint64(N-1))
|
||||
blockXOR(x, v[j*(32*r):], 32*r)
|
||||
blockMix(&tmp, x, y, r)
|
||||
|
||||
j = int(integer(y, r) & uint64(N-1))
|
||||
blockXOR(y, v[j*(32*r):], 32*r)
|
||||
blockMix(&tmp, y, x, r)
|
||||
}
|
||||
j = 0
|
||||
for _, v := range x[:32*r] {
|
||||
b[j+0] = byte(v >> 0)
|
||||
b[j+1] = byte(v >> 8)
|
||||
b[j+2] = byte(v >> 16)
|
||||
b[j+3] = byte(v >> 24)
|
||||
j += 4
|
||||
}
|
||||
}
|
||||
|
||||
// Key derives a key from the password, salt, and cost parameters, returning
|
||||
// a byte slice of length keyLen that can be used as cryptographic key.
|
||||
//
|
||||
// N is a CPU/memory cost parameter, which must be a power of two greater than 1.
|
||||
// r and p must satisfy r * p < 2³⁰. If the parameters do not satisfy the
|
||||
// limits, the function returns a nil byte slice and an error.
|
||||
//
|
||||
// For example, you can get a derived key for e.g. AES-256 (which needs a
|
||||
// 32-byte key) by doing:
|
||||
//
|
||||
// dk := scrypt.Key([]byte("some password"), salt, 16384, 8, 1, 32)
|
||||
//
|
||||
// The recommended parameters for interactive logins as of 2009 are N=16384,
|
||||
// r=8, p=1. They should be increased as memory latency and CPU parallelism
|
||||
// increases. Remember to get a good random salt.
|
||||
func Key(password, salt []byte, N, r, p, keyLen int) ([]byte, error) {
|
||||
if N <= 1 || N&(N-1) != 0 {
|
||||
return nil, errors.New("scrypt: N must be > 1 and a power of 2")
|
||||
}
|
||||
if uint64(r)*uint64(p) >= 1<<30 || r > maxInt/128/p || r > maxInt/256 || N > maxInt/128/r {
|
||||
return nil, errors.New("scrypt: parameters are too large")
|
||||
}
|
||||
|
||||
xy := make([]uint32, 64*r)
|
||||
v := make([]uint32, 32*N*r)
|
||||
b := pbkdf2.Key(password, salt, 1, p*128*r, sha256.New)
|
||||
|
||||
for i := 0; i < p; i++ {
|
||||
smix(b[i*128*r:], r, N, v, xy)
|
||||
}
|
||||
|
||||
return pbkdf2.Key(password, b, 1, keyLen, sha256.New), nil
|
||||
}
|
160
Godeps/_workspace/src/golang.org/x/crypto/scrypt/scrypt_test.go
generated
vendored
Normal file
160
Godeps/_workspace/src/golang.org/x/crypto/scrypt/scrypt_test.go
generated
vendored
Normal file
@@ -0,0 +1,160 @@
|
||||
// Copyright 2012 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 scrypt
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"testing"
|
||||
)
|
||||
|
||||
type testVector struct {
|
||||
password string
|
||||
salt string
|
||||
N, r, p int
|
||||
output []byte
|
||||
}
|
||||
|
||||
var good = []testVector{
|
||||
{
|
||||
"password",
|
||||
"salt",
|
||||
2, 10, 10,
|
||||
[]byte{
|
||||
0x48, 0x2c, 0x85, 0x8e, 0x22, 0x90, 0x55, 0xe6, 0x2f,
|
||||
0x41, 0xe0, 0xec, 0x81, 0x9a, 0x5e, 0xe1, 0x8b, 0xdb,
|
||||
0x87, 0x25, 0x1a, 0x53, 0x4f, 0x75, 0xac, 0xd9, 0x5a,
|
||||
0xc5, 0xe5, 0xa, 0xa1, 0x5f,
|
||||
},
|
||||
},
|
||||
{
|
||||
"password",
|
||||
"salt",
|
||||
16, 100, 100,
|
||||
[]byte{
|
||||
0x88, 0xbd, 0x5e, 0xdb, 0x52, 0xd1, 0xdd, 0x0, 0x18,
|
||||
0x87, 0x72, 0xad, 0x36, 0x17, 0x12, 0x90, 0x22, 0x4e,
|
||||
0x74, 0x82, 0x95, 0x25, 0xb1, 0x8d, 0x73, 0x23, 0xa5,
|
||||
0x7f, 0x91, 0x96, 0x3c, 0x37,
|
||||
},
|
||||
},
|
||||
{
|
||||
"this is a long \000 password",
|
||||
"and this is a long \000 salt",
|
||||
16384, 8, 1,
|
||||
[]byte{
|
||||
0xc3, 0xf1, 0x82, 0xee, 0x2d, 0xec, 0x84, 0x6e, 0x70,
|
||||
0xa6, 0x94, 0x2f, 0xb5, 0x29, 0x98, 0x5a, 0x3a, 0x09,
|
||||
0x76, 0x5e, 0xf0, 0x4c, 0x61, 0x29, 0x23, 0xb1, 0x7f,
|
||||
0x18, 0x55, 0x5a, 0x37, 0x07, 0x6d, 0xeb, 0x2b, 0x98,
|
||||
0x30, 0xd6, 0x9d, 0xe5, 0x49, 0x26, 0x51, 0xe4, 0x50,
|
||||
0x6a, 0xe5, 0x77, 0x6d, 0x96, 0xd4, 0x0f, 0x67, 0xaa,
|
||||
0xee, 0x37, 0xe1, 0x77, 0x7b, 0x8a, 0xd5, 0xc3, 0x11,
|
||||
0x14, 0x32, 0xbb, 0x3b, 0x6f, 0x7e, 0x12, 0x64, 0x40,
|
||||
0x18, 0x79, 0xe6, 0x41, 0xae,
|
||||
},
|
||||
},
|
||||
{
|
||||
"p",
|
||||
"s",
|
||||
2, 1, 1,
|
||||
[]byte{
|
||||
0x48, 0xb0, 0xd2, 0xa8, 0xa3, 0x27, 0x26, 0x11, 0x98,
|
||||
0x4c, 0x50, 0xeb, 0xd6, 0x30, 0xaf, 0x52,
|
||||
},
|
||||
},
|
||||
|
||||
{
|
||||
"",
|
||||
"",
|
||||
16, 1, 1,
|
||||
[]byte{
|
||||
0x77, 0xd6, 0x57, 0x62, 0x38, 0x65, 0x7b, 0x20, 0x3b,
|
||||
0x19, 0xca, 0x42, 0xc1, 0x8a, 0x04, 0x97, 0xf1, 0x6b,
|
||||
0x48, 0x44, 0xe3, 0x07, 0x4a, 0xe8, 0xdf, 0xdf, 0xfa,
|
||||
0x3f, 0xed, 0xe2, 0x14, 0x42, 0xfc, 0xd0, 0x06, 0x9d,
|
||||
0xed, 0x09, 0x48, 0xf8, 0x32, 0x6a, 0x75, 0x3a, 0x0f,
|
||||
0xc8, 0x1f, 0x17, 0xe8, 0xd3, 0xe0, 0xfb, 0x2e, 0x0d,
|
||||
0x36, 0x28, 0xcf, 0x35, 0xe2, 0x0c, 0x38, 0xd1, 0x89,
|
||||
0x06,
|
||||
},
|
||||
},
|
||||
{
|
||||
"password",
|
||||
"NaCl",
|
||||
1024, 8, 16,
|
||||
[]byte{
|
||||
0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78,
|
||||
0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe, 0x7c, 0x6a,
|
||||
0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76,
|
||||
0x63, 0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9,
|
||||
0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1, 0x09, 0x27, 0x9d,
|
||||
0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83,
|
||||
0xee, 0x6d, 0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06,
|
||||
0x40,
|
||||
},
|
||||
},
|
||||
{
|
||||
"pleaseletmein", "SodiumChloride",
|
||||
16384, 8, 1,
|
||||
[]byte{
|
||||
0x70, 0x23, 0xbd, 0xcb, 0x3a, 0xfd, 0x73, 0x48, 0x46,
|
||||
0x1c, 0x06, 0xcd, 0x81, 0xfd, 0x38, 0xeb, 0xfd, 0xa8,
|
||||
0xfb, 0xba, 0x90, 0x4f, 0x8e, 0x3e, 0xa9, 0xb5, 0x43,
|
||||
0xf6, 0x54, 0x5d, 0xa1, 0xf2, 0xd5, 0x43, 0x29, 0x55,
|
||||
0x61, 0x3f, 0x0f, 0xcf, 0x62, 0xd4, 0x97, 0x05, 0x24,
|
||||
0x2a, 0x9a, 0xf9, 0xe6, 0x1e, 0x85, 0xdc, 0x0d, 0x65,
|
||||
0x1e, 0x40, 0xdf, 0xcf, 0x01, 0x7b, 0x45, 0x57, 0x58,
|
||||
0x87,
|
||||
},
|
||||
},
|
||||
/*
|
||||
// Disabled: needs 1 GiB RAM and takes too long for a simple test.
|
||||
{
|
||||
"pleaseletmein", "SodiumChloride",
|
||||
1048576, 8, 1,
|
||||
[]byte{
|
||||
0x21, 0x01, 0xcb, 0x9b, 0x6a, 0x51, 0x1a, 0xae, 0xad,
|
||||
0xdb, 0xbe, 0x09, 0xcf, 0x70, 0xf8, 0x81, 0xec, 0x56,
|
||||
0x8d, 0x57, 0x4a, 0x2f, 0xfd, 0x4d, 0xab, 0xe5, 0xee,
|
||||
0x98, 0x20, 0xad, 0xaa, 0x47, 0x8e, 0x56, 0xfd, 0x8f,
|
||||
0x4b, 0xa5, 0xd0, 0x9f, 0xfa, 0x1c, 0x6d, 0x92, 0x7c,
|
||||
0x40, 0xf4, 0xc3, 0x37, 0x30, 0x40, 0x49, 0xe8, 0xa9,
|
||||
0x52, 0xfb, 0xcb, 0xf4, 0x5c, 0x6f, 0xa7, 0x7a, 0x41,
|
||||
0xa4,
|
||||
},
|
||||
},
|
||||
*/
|
||||
}
|
||||
|
||||
var bad = []testVector{
|
||||
{"p", "s", 0, 1, 1, nil}, // N == 0
|
||||
{"p", "s", 1, 1, 1, nil}, // N == 1
|
||||
{"p", "s", 7, 8, 1, nil}, // N is not power of 2
|
||||
{"p", "s", 16, maxInt / 2, maxInt / 2, nil}, // p * r too large
|
||||
}
|
||||
|
||||
func TestKey(t *testing.T) {
|
||||
for i, v := range good {
|
||||
k, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, len(v.output))
|
||||
if err != nil {
|
||||
t.Errorf("%d: got unexpected error: %s", i, err)
|
||||
}
|
||||
if !bytes.Equal(k, v.output) {
|
||||
t.Errorf("%d: expected %x, got %x", i, v.output, k)
|
||||
}
|
||||
}
|
||||
for i, v := range bad {
|
||||
_, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, 32)
|
||||
if err == nil {
|
||||
t.Errorf("%d: expected error, got nil", i)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkKey(b *testing.B) {
|
||||
for i := 0; i < b.N; i++ {
|
||||
Key([]byte("password"), []byte("salt"), 16384, 8, 1, 64)
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user