1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace NFePHP\Common\Certificate; |
4
|
|
|
|
5
|
|
|
/** |
6
|
|
|
* Class for management and use of digital certificates A1 (PKCS # 12) |
7
|
|
|
* @category NFePHP |
8
|
|
|
* @package NFePHP\Common\ProvateKey |
9
|
|
|
* @copyright Copyright (c) 2008-2016 |
10
|
|
|
* @license http://www.gnu.org/licenses/lesser.html LGPL v3 |
11
|
|
|
* @author Antonio Spinelli <tonicospinelli85 at gmail dot com> |
12
|
|
|
* @link http://github.com/nfephp-org/sped-common for the canonical source repository |
13
|
|
|
*/ |
14
|
|
|
|
15
|
|
|
use NFePHP\Common\Exception\CertificateException; |
16
|
|
|
|
17
|
|
|
class PrivateKey implements SignatureInterface |
18
|
|
|
{ |
19
|
|
|
/** |
20
|
|
|
* @var string |
21
|
|
|
*/ |
22
|
|
|
private $rawKey; |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* @var resource |
26
|
|
|
*/ |
27
|
|
|
private $resource; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* @var array |
31
|
|
|
*/ |
32
|
|
|
private $details = []; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* PublicKey constructor. |
36
|
|
|
* @param string $privateKey Content of private key file |
37
|
|
|
*/ |
38
|
10 |
|
public function __construct($privateKey) |
39
|
|
|
{ |
40
|
10 |
|
$this->rawKey = $privateKey; |
41
|
10 |
|
$this->read(); |
42
|
10 |
|
} |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* Get a private key |
46
|
|
|
* @link http://php.net/manual/en/function.openssl-pkey-get-private.php |
47
|
|
|
* @return void |
48
|
|
|
* @throws CertificateException An error has occurred when get private key |
49
|
|
|
*/ |
50
|
10 |
|
protected function read() |
51
|
|
|
{ |
52
|
10 |
|
if (!$resource = openssl_pkey_get_private($this->rawKey)) { |
53
|
|
|
throw CertificateException::getPrivateKey(); |
54
|
|
|
} |
55
|
10 |
|
$this->details = openssl_pkey_get_details($resource); |
56
|
10 |
|
$this->resource = $resource; |
57
|
10 |
|
} |
58
|
|
|
|
59
|
|
|
/** |
60
|
|
|
* {@inheritdoc} |
61
|
|
|
*/ |
62
|
5 |
|
public function sign($content, $algorithm = OPENSSL_ALGO_SHA1) |
63
|
|
|
{ |
64
|
5 |
|
$encryptedData = ''; |
65
|
5 |
|
if (!openssl_sign($content, $encryptedData, $this->resource, $algorithm)) { |
66
|
|
|
throw CertificateException::signContent(); |
67
|
|
|
} |
68
|
5 |
|
return $encryptedData; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Return the modulus of private key |
73
|
|
|
* @return string |
74
|
|
|
*/ |
75
|
|
|
public function modulus() |
76
|
|
|
{ |
77
|
|
|
if (empty($this->details['n'])) { |
78
|
|
|
return ''; |
79
|
|
|
} |
80
|
|
|
return base64_encode($this->details['n']); |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
/** |
84
|
|
|
* Return the expoent of private key |
85
|
|
|
* @return string |
86
|
|
|
*/ |
87
|
|
|
public function expoent() |
88
|
|
|
{ |
89
|
|
|
if (empty($this->details['e'])) { |
90
|
|
|
return ''; |
91
|
|
|
} |
92
|
|
|
return base64_encode($this->details['e']); |
93
|
|
|
} |
94
|
|
|
|
95
|
|
|
/** |
96
|
|
|
* Return raw private key |
97
|
|
|
* @return string |
98
|
|
|
*/ |
99
|
1 |
|
public function __toString() |
100
|
|
|
{ |
101
|
1 |
|
return $this->rawKey; |
102
|
|
|
} |
103
|
|
|
} |
104
|
|
|
|