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
|
<?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime\Tests;
use ParagonIE\ConstantTime\Base64DotSlash;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
use RangeException;
use function bin2hex;
use function random_bytes;
use function rtrim;
class Base64DotSlashTest extends TestCase
{
use CanonicalTrait;
public function testRandom()
{
for ($i = 1; $i < 32; ++$i) {
for ($j = 0; $j < 50; ++$j) {
$random = random_bytes($i);
$enc = Base64DotSlash::encode($random);
$this->assertSame(
$random,
Base64DotSlash::decode($enc)
);
$unpadded = rtrim($enc, '=');
$this->assertSame(
$random,
Base64DotSlash::decode($unpadded)
);
$this->assertSame(
$random,
Base64DotSlash::decode($unpadded)
);
}
}
}
public function testUnpadded()
{
for ($i = 1; $i < 32; ++$i) {
$random = random_bytes($i);
$encoded = Base64DotSlash::encodeUnpadded($random);
$decoded = Base64DotSlash::decodeNoPadding($encoded);
$this->assertSame(
bin2hex($random),
bin2hex($decoded)
);
}
}
/**
* We need this for PHP before attributes
* @dataProvider canonicalDataProvider
*/
#[DataProvider("canonicalDataProvider")]
public function testNonCanonical(string $input)
{
$w = Base64DotSlash::encodeUnpadded($input);
Base64DotSlash::decode($w);
Base64DotSlash::decode($w, true);
// Mess with padding:
$x = $this->increment($w);
Base64DotSlash::decode($x);
// Should throw in strict mode:
$this->expectException(RangeException::class);
Base64DotSlash::decode($x, true);
}
protected function getNextChar(string $c): string
{
return strtr(
$c,
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789./',
'BCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789./A'
);
}
public static function invalidCharactersProvider(): array
{
return [
['ab-d'],
['ab d'],
['ab[d'],
];
}
/**
* @dataProvider invalidCharactersProvider
*/
#[DataProvider("invalidCharactersProvider")]
public function testInvalidCharacters(string $encoded)
{
$this->expectException(RangeException::class);
Base64DotSlash::decode($encoded);
}
}
|
