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nemunaire 2018-09-18 19:06:04 +02:00
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7
vendor/github.com/nyarla/go-crypt/.travis.yml generated vendored Normal file
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language: go
go:
- 1.1
- 1.2
- 1.3
- tip

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vendor/github.com/nyarla/go-crypt/LICENSE generated vendored Normal file
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Copyright (c) 2009, <iiasija>
Copyright (c) 2013-2014 Naoki OKAMURA (Nyarla) <nyarla@thotep.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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crypt
=====
A golang implementation of crypt(3).
[![Build Status](https://travis-ci.org/nyarla/go-crypt.svg?branch=master)](https://travis-ci.org/nyarla/go-crypt) [![GoDoc](http://godoc.org/github.com/nyarla/go-crypt?status.svg)](https://godoc.org/github.com/nyarla/go-crypt)
EXAMPLES CODE
-------------
```go
import (
"fmt"
"github.com/nyarlabo/go-crypt"
)
func main() {
fmt.Println(crypt.Crypt("testtest", "es")); // esDRYJnY4VaGM
}
```
WHY I FROKED IT?
----------------
Original implementation is writte by iasija at 2009-12-08,
and original implementation is not supported golang 1.1 or later.
So I fork it for fix this issue, and I added documenation and test code.
Original implementation is hosting on [code.google.com/p/go-crypt](https://code.google.com/p/go-crypt),
and that source code is under the 3-Clause BSD.
NOTE: I could't find to iasija's contact address.
COPYRIGTS AND LICENSE
---------------------
1. Original Implementation: Copyright (c) 2009 iasija All Rights Reserved. ([BSD-3-Clause](http://opensource.org/licenses/BSD-3-Clause))
2. Modification Codes: Copyright (c) 22013-2015 Naoki OKAMURA a.k.a nyarla <nyarla@thotep.net> Some Rights Reserved. ([BSD-3-Clause](http://opensource.org/licenses/BSD-3-Clause))

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vendor/github.com/nyarla/go-crypt/crypt.go generated vendored Normal file
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package crypt
import (
"bytes"
)
var PC1_C = []byte{
57, 49, 41, 33, 25, 17, 9,
1, 58, 50, 42, 34, 26, 18,
10, 2, 59, 51, 43, 35, 27,
19, 11, 3, 60, 52, 44, 36,
}
var PC1_D = []byte{
63, 55, 47, 39, 31, 23, 15,
7, 62, 54, 46, 38, 30, 22,
14, 6, 61, 53, 45, 37, 29,
21, 13, 5, 28, 20, 12, 4,
}
var PC2_C = []byte{
14, 17, 11, 24, 1, 5,
3, 28, 15, 6, 21, 10,
23, 19, 12, 4, 26, 8,
16, 7, 27, 20, 13, 2,
}
var PC2_D = []byte{
41, 52, 31, 37, 47, 55,
30, 40, 51, 45, 33, 48,
44, 49, 39, 56, 34, 53,
46, 42, 50, 36, 29, 32,
}
var e2 = []byte{
32, 1, 2, 3, 4, 5,
4, 5, 6, 7, 8, 9,
8, 9, 10, 11, 12, 13,
12, 13, 14, 15, 16, 17,
16, 17, 18, 19, 20, 21,
20, 21, 22, 23, 24, 25,
24, 25, 26, 27, 28, 29,
28, 29, 30, 31, 32, 1,
}
var IP = []byte{
58, 50, 42, 34, 26, 18, 10, 2,
60, 52, 44, 36, 28, 20, 12, 4,
62, 54, 46, 38, 30, 22, 14, 6,
64, 56, 48, 40, 32, 24, 16, 8,
57, 49, 41, 33, 25, 17, 9, 1,
59, 51, 43, 35, 27, 19, 11, 3,
61, 53, 45, 37, 29, 21, 13, 5,
63, 55, 47, 39, 31, 23, 15, 7,
}
var FP = []byte{
40, 8, 48, 16, 56, 24, 64, 32,
39, 7, 47, 15, 55, 23, 63, 31,
38, 6, 46, 14, 54, 22, 62, 30,
37, 5, 45, 13, 53, 21, 61, 29,
36, 4, 44, 12, 52, 20, 60, 28,
35, 3, 43, 11, 51, 19, 59, 27,
34, 2, 42, 10, 50, 18, 58, 26,
33, 1, 41, 9, 49, 17, 57, 25,
}
var S = [][]byte{
[]byte{14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13},
[]byte{15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9},
[]byte{10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12},
[]byte{7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14},
[]byte{2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3},
[]byte{12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13},
[]byte{4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12},
[]byte{13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11},
}
var P = []byte{
16, 7, 20, 21, 29, 12, 28, 17,
1, 15, 23, 26, 5, 18, 31, 10,
2, 8, 24, 14, 32, 27, 3, 9,
19, 13, 30, 6, 22, 11, 4, 25,
}
var shift = []int{1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1}
// Crypt is a implementation of crypt(3) like as perl or ruby and ...etc.
//
// Behavior of this func is same as perl-5.18.2's crypt on OSX Yosemite.
func Crypt(pw string, salt string) string {
if sLen := len(salt); sLen < 2 {
src := []byte(salt)
for len(src) < 2 {
src = append(src, 0x00)
}
salt = string(src)
}
block := make([]byte, 66)
for i := 0; i < 8 && i < len(pw); i++ {
for j := 0; j < 7; j++ {
block[(8*i)+j] = (pw[i] >> byte(6-j)) & 1
}
}
C := make([]byte, 28)
D := make([]byte, 28)
for i := 0; i < 28; i++ {
C[i] = block[PC1_C[i]-1]
D[i] = block[PC1_D[i]-1]
}
KS := make([][]byte, 16)
for i := 0; i < 16; i++ {
KS[i] = make([]byte, 48)
}
for i := 0; i < 16; i++ {
for k := 0; k < shift[i]; k++ {
t := C[0]
for j := 0; j < 28-1; j++ {
C[j] = C[j+1]
}
C[27] = t
t = D[0]
for j := 0; j < 28-1; j++ {
D[j] = D[j+1]
}
D[27] = t
}
for j := 0; j < 24; j++ {
KS[i][j] = C[PC2_C[j]-1]
KS[i][j+24] = D[PC2_D[j]-28-1]
}
}
E := make([]byte, 48)
for i := 0; i < 48; i++ {
E[i] = e2[i]
}
iobuf := make([]byte, 16)
for i := 0; i < 2; i++ {
c := byte(salt[i])
iobuf[i] = c
if c > 'Z' {
c -= 6
}
if c > '9' {
c -= 7
}
c -= '.'
for j := 0; j < 6; j++ {
if (c>>byte(j))&1 != 0 {
k := E[6*i+j]
E[6*i+j] = E[6*i+j+24]
E[6*i+j+24] = k
}
}
}
for i := 0; i < 66; i++ {
block[i] = 0
}
R := make([]byte, 32)
L := make([]byte, 32)
DMY := make([]byte, 32)
preS := make([]byte, 48)
f := make([]byte, 32)
dmy_block := make([]byte, 64)
for m := 0; m < 25; m++ {
for i := 0; i < 32; i++ {
L[i] = block[IP[i]-1]
}
for i := 32; i < 64; i++ {
R[i-32] = block[IP[i]-1]
}
for i := 0; i < 16; i++ {
for j := 0; j < 32; j++ {
DMY[j] = R[j]
}
for j := 0; j < 48; j++ {
preS[j] = R[E[j]-1] ^ KS[i][j]
}
for j := 0; j < 8; j++ {
t := 6 * j
k := S[j][(preS[t+0]<<5)+
(preS[t+1]<<3)+
(preS[t+2]<<2)+
(preS[t+3]<<1)+
(preS[t+4]<<0)+
(preS[t+5]<<4)]
t = 4 * j
f[t+0] = (k >> 3) & 01
f[t+1] = (k >> 2) & 01
f[t+2] = (k >> 1) & 01
f[t+3] = (k >> 0) & 01
}
for j := 0; j < 32; j++ {
R[j] = L[j] ^ f[P[j]-1]
}
for j := 0; j < 32; j++ {
L[j] = DMY[j]
}
}
for i := 0; i < 32; i++ {
L[i], R[i] = R[i], L[i]
}
for i := 0; i < 32; i++ {
dmy_block[i] = L[i]
}
for i := 32; i < 64; i++ {
dmy_block[i] = R[i-32]
}
for i := 0; i < 64; i++ {
block[i] = dmy_block[FP[i]-1]
}
}
var i int
for i = 0; i < 11; i++ {
c := byte(0)
for j := 0; j < 6; j++ {
c = c << 1
c = c | block[6*i+j]
}
c = c + '.'
if c > '9' {
c += 7
}
if c > 'Z' {
c += 6
}
iobuf[i+2] = c
}
iobuf[i+2] = 0
return string(bytes.Replace(iobuf, []byte{0x00}, []byte{}, -1))
}

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package crypt
import (
"fmt"
"testing"
)
func TestCrypt(t *testing.T) {
if ret := Crypt("testtest", "es"); ret != `esDRYJnY4VaGM` {
t.Fatal(fmt.Sprintf(`result of Crypt is musmatch: %+v`, []byte(ret)))
}
}
func ExampleCrypt() {
fmt.Println(Crypt("testtest", "es"))
// Output:
// esDRYJnY4VaGM
}

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// Package crypt is a implementation of crypt(3) by golang.
//
// This is a fork of iasija's orignal implementation.
//
// Orignal soruce code Copyrights (C) iasija All rights reserved,
// and original source code is under the 3-Clause BSD.
//
// Modification codes for supporting latest golang and added test codes are
// Copyright (c) 2013-2014 Naoki OKAMURA <nyarla@thotep.net>,
// and modifiration code and test codes are under same as the orignal source code license. (3-Clause BSD)
package crypt