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Update deps

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This commit is contained in:
Jakob Borg 2014-08-11 14:24:20 +02:00
parent 19b93045a4
commit 279693078a
7 changed files with 167 additions and 95 deletions
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18
Godeps/Godeps.json generated
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@ -12,23 +12,23 @@
},
{
"ImportPath": "code.google.com/p/go.crypto/bcrypt",
"Comment": "null-213",
"Rev": "aa2644fe4aa50e3b38d75187b4799b1f0c9ddcef"
"Comment": "null-216",
"Rev": "41cd4647fccc72b0b79ef1bd1fe6735e718257cd"
},
{
"ImportPath": "code.google.com/p/go.crypto/blowfish",
"Comment": "null-213",
"Rev": "aa2644fe4aa50e3b38d75187b4799b1f0c9ddcef"
"Comment": "null-216",
"Rev": "41cd4647fccc72b0b79ef1bd1fe6735e718257cd"
},
{
"ImportPath": "code.google.com/p/go.text/transform",
"Comment": "null-89",
"Rev": "df15baaf13e3f62b6b7a901e74caa3818a7c0a7c"
"Comment": "null-90",
"Rev": "d65bffbc88a153d23a6d2a864531e6e7c2cde59b"
},
{
"ImportPath": "code.google.com/p/go.text/unicode/norm",
"Comment": "null-89",
"Rev": "df15baaf13e3f62b6b7a901e74caa3818a7c0a7c"
"Comment": "null-90",
"Rev": "d65bffbc88a153d23a6d2a864531e6e7c2cde59b"
},
{
"ImportPath": "code.google.com/p/snappy-go/snappy",
@ -41,7 +41,7 @@
},
{
"ImportPath": "github.com/calmh/xdr",
"Rev": "694859acb207675085232438780db923ceb43e96"
"Rev": "e1714bbe4764b15490fcc8ebd25d4bd9ea50a4b9"
},
{
"ImportPath": "github.com/juju/ratelimit",

95
Godeps/_workspace/src/code.google.com/p/go.crypto/blowfish/block.go generated vendored
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@ -4,6 +4,22 @@
package blowfish
// getNextWord returns the next big-endian uint32 value from the byte slice
// at the given position in a circular manner, updating the position.
func getNextWord(b []byte, pos *int) uint32 {
var w uint32
j := *pos
for i := 0; i < 4; i++ {
w = w<<8 | uint32(b[j])
j++
if j >= len(b) {
j = 0
}
}
*pos = j
return w
}
// ExpandKey performs a key expansion on the given *Cipher. Specifically, it
// performs the Blowfish algorithm's key schedule which sets up the *Cipher's
// pi and substitution tables for calls to Encrypt. This is used, primarily,
@ -12,6 +28,7 @@ package blowfish
func ExpandKey(key []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
// Using inlined getNextWord for performance.
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(key[j])
@ -54,86 +71,44 @@ func ExpandKey(key []byte, c *Cipher) {
func expandKeyWithSalt(key []byte, salt []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(key[j])
j++
if j >= len(key) {
j = 0
}
}
c.p[i] ^= d
c.p[i] ^= getNextWord(key, &j)
}
j = 0
var expandedSalt [4]uint32
for i := range expandedSalt {
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(salt[j])
j++
if j >= len(salt) {
j = 0
}
}
expandedSalt[i] = d
}
var l, r uint32
for i := 0; i < 18; i += 2 {
l ^= expandedSalt[i&2]
r ^= expandedSalt[(i&2)+1]
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 4 {
l ^= expandedSalt[2]
r ^= expandedSalt[3]
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
l ^= expandedSalt[0]
r ^= expandedSalt[1]
l, r = encryptBlock(l, r, c)
c.s0[i+2], c.s0[i+3] = l, r
}
for i := 0; i < 256; i += 4 {
l ^= expandedSalt[2]
r ^= expandedSalt[3]
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
l ^= expandedSalt[0]
r ^= expandedSalt[1]
l, r = encryptBlock(l, r, c)
c.s1[i+2], c.s1[i+3] = l, r
}
for i := 0; i < 256; i += 4 {
l ^= expandedSalt[2]
r ^= expandedSalt[3]
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
l ^= expandedSalt[0]
r ^= expandedSalt[1]
l, r = encryptBlock(l, r, c)
c.s2[i+2], c.s2[i+3] = l, r
}
for i := 0; i < 256; i += 4 {
l ^= expandedSalt[2]
r ^= expandedSalt[3]
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
l ^= expandedSalt[0]
r ^= expandedSalt[1]
l, r = encryptBlock(l, r, c)
c.s3[i+2], c.s3[i+3] = l, r
}
}
@ -182,9 +157,3 @@ func decryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xr ^= c.p[0]
return xr, xl
}
func zero(x []uint32) {
for i := range x {
x[i] = 0
}
}

76
Godeps/_workspace/src/code.google.com/p/go.crypto/blowfish/blowfish_test.go generated vendored
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@ -4,9 +4,7 @@
package blowfish
import (
"testing"
)
import "testing"
type CryptTest struct {
key []byte
@ -202,3 +200,75 @@ func TestSaltedCipherKeyLength(t *testing.T) {
t.Errorf("NewSaltedCipher with long key, gave error %#v", err)
}
}
// Test vectors generated with Blowfish from OpenSSH.
var saltedVectors = [][8]byte{
{0x0c, 0x82, 0x3b, 0x7b, 0x8d, 0x01, 0x4b, 0x7e},
{0xd1, 0xe1, 0x93, 0xf0, 0x70, 0xa6, 0xdb, 0x12},
{0xfc, 0x5e, 0xba, 0xde, 0xcb, 0xf8, 0x59, 0xad},
{0x8a, 0x0c, 0x76, 0xe7, 0xdd, 0x2c, 0xd3, 0xa8},
{0x2c, 0xcb, 0x7b, 0xee, 0xac, 0x7b, 0x7f, 0xf8},
{0xbb, 0xf6, 0x30, 0x6f, 0xe1, 0x5d, 0x62, 0xbf},
{0x97, 0x1e, 0xc1, 0x3d, 0x3d, 0xe0, 0x11, 0xe9},
{0x06, 0xd7, 0x4d, 0xb1, 0x80, 0xa3, 0xb1, 0x38},
{0x67, 0xa1, 0xa9, 0x75, 0x0e, 0x5b, 0xc6, 0xb4},
{0x51, 0x0f, 0x33, 0x0e, 0x4f, 0x67, 0xd2, 0x0c},
{0xf1, 0x73, 0x7e, 0xd8, 0x44, 0xea, 0xdb, 0xe5},
{0x14, 0x0e, 0x16, 0xce, 0x7f, 0x4a, 0x9c, 0x7b},
{0x4b, 0xfe, 0x43, 0xfd, 0xbf, 0x36, 0x04, 0x47},
{0xb1, 0xeb, 0x3e, 0x15, 0x36, 0xa7, 0xbb, 0xe2},
{0x6d, 0x0b, 0x41, 0xdd, 0x00, 0x98, 0x0b, 0x19},
{0xd3, 0xce, 0x45, 0xce, 0x1d, 0x56, 0xb7, 0xfc},
{0xd9, 0xf0, 0xfd, 0xda, 0xc0, 0x23, 0xb7, 0x93},
{0x4c, 0x6f, 0xa1, 0xe4, 0x0c, 0xa8, 0xca, 0x57},
{0xe6, 0x2f, 0x28, 0xa7, 0x0c, 0x94, 0x0d, 0x08},
{0x8f, 0xe3, 0xf0, 0xb6, 0x29, 0xe3, 0x44, 0x03},
{0xff, 0x98, 0xdd, 0x04, 0x45, 0xb4, 0x6d, 0x1f},
{0x9e, 0x45, 0x4d, 0x18, 0x40, 0x53, 0xdb, 0xef},
{0xb7, 0x3b, 0xef, 0x29, 0xbe, 0xa8, 0x13, 0x71},
{0x02, 0x54, 0x55, 0x41, 0x8e, 0x04, 0xfc, 0xad},
{0x6a, 0x0a, 0xee, 0x7c, 0x10, 0xd9, 0x19, 0xfe},
{0x0a, 0x22, 0xd9, 0x41, 0xcc, 0x23, 0x87, 0x13},
{0x6e, 0xff, 0x1f, 0xff, 0x36, 0x17, 0x9c, 0xbe},
{0x79, 0xad, 0xb7, 0x40, 0xf4, 0x9f, 0x51, 0xa6},
{0x97, 0x81, 0x99, 0xa4, 0xde, 0x9e, 0x9f, 0xb6},
{0x12, 0x19, 0x7a, 0x28, 0xd0, 0xdc, 0xcc, 0x92},
{0x81, 0xda, 0x60, 0x1e, 0x0e, 0xdd, 0x65, 0x56},
{0x7d, 0x76, 0x20, 0xb2, 0x73, 0xc9, 0x9e, 0xee},
}
func TestSaltedCipher(t *testing.T) {
var key, salt [32]byte
for i := range key {
key[i] = byte(i)
salt[i] = byte(i + 32)
}
for i, v := range saltedVectors {
c, err := NewSaltedCipher(key[:], salt[:i])
if err != nil {
t.Fatal(err)
}
var buf [8]byte
c.Encrypt(buf[:], buf[:])
if v != buf {
t.Errorf("%d: expected %x, got %x", i, v, buf)
}
}
}
func BenchmarkExpandKeyWithSalt(b *testing.B) {
key := make([]byte, 32)
salt := make([]byte, 16)
c, _ := NewCipher(key)
for i := 0; i < b.N; i++ {
expandKeyWithSalt(key, salt, c)
}
}
func BenchmarkExpandKey(b *testing.B) {
key := make([]byte, 32)
c, _ := NewCipher(key)
for i := 0; i < b.N; i++ {
ExpandKey(key, c)
}
}

5
Godeps/_workspace/src/code.google.com/p/go.crypto/blowfish/cipher.go generated vendored
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@ -40,8 +40,11 @@ func NewCipher(key []byte) (*Cipher, error) {
// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
// sufficient and desirable. For bcrypt compatiblity, the key can be over 56
// bytes. Only the first 16 bytes of salt are used.
// bytes.
func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
if len(salt) == 0 {
return NewCipher(key)
}
var result Cipher
if k := len(key); k < 1 {
return nil, KeySizeError(k)

25
Godeps/_workspace/src/github.com/calmh/xdr/bench_test.go generated vendored
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@ -7,6 +7,8 @@ import (
"io"
"io/ioutil"
"testing"
"github.com/calmh/xdr"
)
type XDRBenchStruct struct {
@ -58,6 +60,16 @@ func BenchmarkThisEncode(b *testing.B) {
}
}
func BenchmarkThisEncoder(b *testing.B) {
w := xdr.NewWriter(ioutil.Discard)
for i := 0; i < b.N; i++ {
_, err := s.encodeXDR(w)
if err != nil {
b.Fatal(err)
}
}
}
type repeatReader struct {
data []byte
}
@ -86,3 +98,16 @@ func BenchmarkThisDecode(b *testing.B) {
rr.Reset(e)
}
}
func BenchmarkThisDecoder(b *testing.B) {
rr := &repeatReader{e}
r := xdr.NewReader(rr)
var t XDRBenchStruct
for i := 0; i < b.N; i++ {
err := t.decodeXDR(r)
if err != nil {
b.Fatal(err)
}
rr.Reset(e)
}
}

29
Godeps/_workspace/src/github.com/calmh/xdr/reader.go generated vendored
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@ -7,6 +7,8 @@ package xdr
import (
"errors"
"io"
"reflect"
"unsafe"
)
var ErrElementSizeExceeded = errors.New("element size exceeded")
@ -15,7 +17,6 @@ type Reader struct {
r io.Reader
err error
b [8]byte
sb []byte
}
func NewReader(r io.Reader) *Reader {
@ -35,23 +36,17 @@ func (r *Reader) ReadRaw(bs []byte) (int, error) {
}
func (r *Reader) ReadString() string {
if r.sb == nil {
r.sb = make([]byte, 64)
} else {
r.sb = r.sb[:cap(r.sb)]
}
r.sb = r.ReadBytesInto(r.sb)
return string(r.sb)
return r.ReadStringMax(0)
}
func (r *Reader) ReadStringMax(max int) string {
if r.sb == nil {
r.sb = make([]byte, 64)
} else {
r.sb = r.sb[:cap(r.sb)]
buf := r.ReadBytesMaxInto(max, nil)
bh := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
sh := reflect.StringHeader{
Data: bh.Data,
Len: bh.Len,
}
r.sb = r.ReadBytesMaxInto(max, r.sb)
return string(r.sb)
return *((*string)(unsafe.Pointer(&sh)))
}
func (r *Reader) ReadBytes() []byte {
@ -80,10 +75,10 @@ func (r *Reader) ReadBytesMaxInto(max int, dst []byte) []byte {
return nil
}
if l+pad(l) > len(dst) {
dst = make([]byte, l+pad(l))
if fullLen := l + pad(l); fullLen > len(dst) {
dst = make([]byte, fullLen)
} else {
dst = dst[:l+pad(l)]
dst = dst[:fullLen]
}
var n int

14
Godeps/_workspace/src/github.com/calmh/xdr/writer.go generated vendored
View File

@ -3,7 +3,11 @@
package xdr
import "io"
import (
"io"
"reflect"
"unsafe"
)
var padBytes = []byte{0, 0, 0}
@ -38,7 +42,13 @@ func (w *Writer) WriteRaw(bs []byte) (int, error) {
}
func (w *Writer) WriteString(s string) (int, error) {
return w.WriteBytes([]byte(s))
sh := *((*reflect.StringHeader)(unsafe.Pointer(&s)))
bh := reflect.SliceHeader{
Data: sh.Data,
Len: sh.Len,
Cap: sh.Len,
}
return w.WriteBytes(*(*[]byte)(unsafe.Pointer(&bh)))
}
func (w *Writer) WriteBytes(bs []byte) (int, error) {