Completed
Push — master ( bc7d7f...7a9596 )
by Théo
02:46
created

OpenSsl::verify()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 22
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 22
c 0
b 0
f 0
rs 9.2
cc 3
eloc 12
nc 3
nop 1
1
<?php
2
3
declare(strict_types=1);
4
5
/*
6
 * This file is part of the box project.
7
 *
8
 * (c) Kevin Herrera <[email protected]>
9
 *     Théo Fidry <[email protected]>
10
 *
11
 * This source file is subject to the MIT license that is bundled
12
 * with this source code in the file LICENSE.
13
 */
14
15
namespace KevinGH\Box\Signature;
16
17
use KevinGH\Box\Exception\OpenSslException;
18
19
/**
20
 * Uses OpenSSL to verify the signature.
21
 *
22
 * @author Kevin Herrera <[email protected]>
23
 */
24
class OpenSsl extends AbstractPublicKey
25
{
26
    /**
27
     * @see VerifyInterface::verify
28
     *
29
     * @param mixed $signature
30
     */
31
    public function verify($signature)
32
    {
33
        OpenSslException::reset();
34
35
        ob_start();
36
37
        $result = openssl_verify(
38
            $this->getData(),
39
            @pack('H*', $signature),
40
            $this->getKey()
41
        );
42
43
        $error = trim(ob_get_clean());
44
45
        if (-1 === $result) {
46
            throw OpenSslException::lastError();
47
        }
48
        if (!empty($error)) {
49
            throw new OpenSslException($error);
50
        }
51
52
        return 1 === $result;
53
    }
54
}
55