1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
<?php
/**
* @author Andreas Fischer <bantu@phpbb.com>
* @copyright MMXIII Andreas Fischer
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Base;
use phpseclib\Crypt\Blowfish;
use phpseclib\Crypt\Random;
class Unit_Crypt_BlowfishTest extends PhpseclibTestCase
{
public function engineVectors()
{
$engines = array(
Base::ENGINE_INTERNAL => 'internal',
Base::ENGINE_MCRYPT => 'mcrypt',
Base::ENGINE_OPENSSL => 'OpenSSL',
);
// tests from https://www.schneier.com/code/vectors.txt
$tests = array(
// key, plaintext, ciphertext
array(pack('H*', '0000000000000000'), pack('H*', '0000000000000000'), pack('H*', '4EF997456198DD78')),
array(pack('H*', 'FFFFFFFFFFFFFFFF'), pack('H*', 'FFFFFFFFFFFFFFFF'), pack('H*', '51866FD5B85ECB8A')),
array(pack('H*', '3000000000000000'), pack('H*', '1000000000000001'), pack('H*', '7D856F9A613063F2')),
array(pack('H*', '1111111111111111'), pack('H*', '1111111111111111'), pack('H*', '2466DD878B963C9D')),
array(pack('H*', '0123456789ABCDEF'), pack('H*', '1111111111111111'), pack('H*', '61F9C3802281B096')),
array(pack('H*', '1111111111111111'), pack('H*', '0123456789ABCDEF'), pack('H*', '7D0CC630AFDA1EC7')),
array(pack('H*', '0000000000000000'), pack('H*', '0000000000000000'), pack('H*', '4EF997456198DD78')),
array(pack('H*', 'FEDCBA9876543210'), pack('H*', '0123456789ABCDEF'), pack('H*', '0ACEAB0FC6A0A28D')),
array(pack('H*', '7CA110454A1A6E57'), pack('H*', '01A1D6D039776742'), pack('H*', '59C68245EB05282B')),
array(pack('H*', '0131D9619DC1376E'), pack('H*', '5CD54CA83DEF57DA'), pack('H*', 'B1B8CC0B250F09A0')),
array(pack('H*', '07A1133E4A0B2686'), pack('H*', '0248D43806F67172'), pack('H*', '1730E5778BEA1DA4')),
array(pack('H*', '3849674C2602319E'), pack('H*', '51454B582DDF440A'), pack('H*', 'A25E7856CF2651EB')),
array(pack('H*', '04B915BA43FEB5B6'), pack('H*', '42FD443059577FA2'), pack('H*', '353882B109CE8F1A')),
array(pack('H*', '0113B970FD34F2CE'), pack('H*', '059B5E0851CF143A'), pack('H*', '48F4D0884C379918')),
array(pack('H*', '0170F175468FB5E6'), pack('H*', '0756D8E0774761D2'), pack('H*', '432193B78951FC98')),
array(pack('H*', '43297FAD38E373FE'), pack('H*', '762514B829BF486A'), pack('H*', '13F04154D69D1AE5')),
array(pack('H*', '07A7137045DA2A16'), pack('H*', '3BDD119049372802'), pack('H*', '2EEDDA93FFD39C79')),
array(pack('H*', '04689104C2FD3B2F'), pack('H*', '26955F6835AF609A'), pack('H*', 'D887E0393C2DA6E3')),
array(pack('H*', '37D06BB516CB7546'), pack('H*', '164D5E404F275232'), pack('H*', '5F99D04F5B163969')),
array(pack('H*', '1F08260D1AC2465E'), pack('H*', '6B056E18759F5CCA'), pack('H*', '4A057A3B24D3977B')),
array(pack('H*', '584023641ABA6176'), pack('H*', '004BD6EF09176062'), pack('H*', '452031C1E4FADA8E')),
array(pack('H*', '025816164629B007'), pack('H*', '480D39006EE762F2'), pack('H*', '7555AE39F59B87BD')),
array(pack('H*', '49793EBC79B3258F'), pack('H*', '437540C8698F3CFA'), pack('H*', '53C55F9CB49FC019')),
array(pack('H*', '4FB05E1515AB73A7'), pack('H*', '072D43A077075292'), pack('H*', '7A8E7BFA937E89A3')),
array(pack('H*', '49E95D6D4CA229BF'), pack('H*', '02FE55778117F12A'), pack('H*', 'CF9C5D7A4986ADB5')),
array(pack('H*', '018310DC409B26D6'), pack('H*', '1D9D5C5018F728C2'), pack('H*', 'D1ABB290658BC778')),
array(pack('H*', '1C587F1C13924FEF'), pack('H*', '305532286D6F295A'), pack('H*', '55CB3774D13EF201')),
array(pack('H*', '0101010101010101'), pack('H*', '0123456789ABCDEF'), pack('H*', 'FA34EC4847B268B2')),
array(pack('H*', '1F1F1F1F0E0E0E0E'), pack('H*', '0123456789ABCDEF'), pack('H*', 'A790795108EA3CAE')),
array(pack('H*', 'E0FEE0FEF1FEF1FE'), pack('H*', '0123456789ABCDEF'), pack('H*', 'C39E072D9FAC631D')),
array(pack('H*', '0000000000000000'), pack('H*', 'FFFFFFFFFFFFFFFF'), pack('H*', '014933E0CDAFF6E4')),
array(pack('H*', 'FFFFFFFFFFFFFFFF'), pack('H*', '0000000000000000'), pack('H*', 'F21E9A77B71C49BC')),
array(pack('H*', '0123456789ABCDEF'), pack('H*', '0000000000000000'), pack('H*', '245946885754369A')),
array(pack('H*', 'FEDCBA9876543210'), pack('H*', 'FFFFFFFFFFFFFFFF'), pack('H*', '6B5C5A9C5D9E0A5A'))
);
$result = array();
foreach ($engines as $engine => $engineName) {
foreach ($tests as $test) {
$result[] = array($engine, $engineName, $test[0], $test[1], $test[2]);
}
}
return $result;
}
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $plaintext, $expected)
{
if (PHP_INT_SIZE == 4) {
self::markTestSkipped('Skip test failing on 32-bit architectures');
}
$bf = new Blowfish();
$bf->setKey($key);
if (!$bf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
}
$bf->setPreferredEngine($engine);
$bf->disablePadding();
$result = $bf->encrypt($plaintext);
$plaintext = bin2hex($plaintext);
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engineName engine");
}
public function testKeySizes()
{
$objects = $engines = array();
$temp = new Blowfish(Base::MODE_CTR);
$temp->setPreferredEngine(Base::ENGINE_INTERNAL);
$objects[] = $temp;
$engines[] = 'internal';
if ($temp->isValidEngine(Base::ENGINE_MCRYPT)) {
$temp = new Blowfish(Base::MODE_CTR);
$temp->setPreferredEngine(Base::ENGINE_MCRYPT);
$objects[] = $temp;
$engines[] = 'mcrypt';
}
if ($temp->isValidEngine(Base::ENGINE_OPENSSL)) {
$temp = new Blowfish(Base::MODE_CTR);
$temp->setPreferredEngine(Base::ENGINE_OPENSSL);
$objects[] = $temp;
$engines[] = 'OpenSSL';
}
if (count($objects) < 2) {
self::markTestSkipped('Unable to initialize two or more engines');
}
for ($i = 0; $i < count($objects); $i++) {
$objects[$i]->setIV(str_repeat('x', $objects[$i]->getBlockLength() >> 3));
}
$plaintext = str_repeat('.', 100);
for ($keyLen = 4; $keyLen <= 56; $keyLen++) {
$key = Random::string($keyLen);
$objects[0]->setKey($key);
$ref = $objects[0]->encrypt($plaintext);
for ($i = 1; $i < count($objects); $i++) {
$objects[$i]->setKey($key);
$this->assertEquals($ref, $objects[$i]->encrypt($plaintext), "Failed asserting that {$engines[$i]} yields the same output as the internal engine with a key size of $keyLen");
}
}
}
}
|
