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14d4f286 S |
1 | <?php |
2 | /** | |
3 | * The core Key Factory | |
4 | * | |
5 | * PHP version 5.3 | |
6 | * | |
7 | * @category PHPCryptLib | |
8 | * @package Key | |
9 | * @author Anthony Ferrara <ircmaxell@ircmaxell.com> | |
10 | * @copyright 2011 The Authors | |
11 | * @license http://www.opensource.org/licenses/mit-license.html MIT License | |
12 | * @version Build @@version@@ | |
13 | */ | |
14 | ||
15 | namespace CryptLib\Key; | |
16 | ||
17 | /** | |
18 | * The core Key Factory | |
19 | * | |
20 | * @category PHPCryptLib | |
21 | * @package Key | |
22 | * @author Anthony Ferrara <ircmaxell@ircmaxell.com> | |
23 | */ | |
24 | class Factory extends \CryptLib\Core\AbstractFactory { | |
25 | ||
26 | /** | |
27 | * @var array An array of KDF class implementations | |
28 | */ | |
29 | protected $kdf = array(); | |
30 | ||
31 | /** | |
32 | * @var array An array of PBKDF class implementations | |
33 | */ | |
34 | protected $pbkdf = array(); | |
35 | ||
36 | /** | |
37 | * @var array An array of symmetric key generator implementations | |
38 | */ | |
39 | protected $symmetricGenerators = array(); | |
40 | ||
41 | /** | |
42 | * Construct the instance, loading the core implementations | |
43 | * | |
44 | * @return void | |
45 | */ | |
46 | public function __construct() { | |
47 | $this->loadPBKDF(); | |
48 | $this->loadKDF(); | |
49 | //$this->loadSymmetricGenerators(); | |
50 | } | |
51 | ||
52 | public function getKDF($name = 'kdf3', array $options = array()) { | |
53 | if (isset($this->kdf[$name])) { | |
54 | $class = $this->kdf[$name]; | |
55 | return new $class($options); | |
56 | } | |
57 | throw new \InvalidArgumentException('Unsupported KDF'); | |
58 | } | |
59 | ||
60 | public function getPBKDF($name = 'pbkdf2', array $options = array()) { | |
61 | if (isset($this->pbkdf[$name])) { | |
62 | $class = $this->pbkdf[$name]; | |
63 | return new $class($options); | |
64 | } | |
65 | throw new \InvalidArgumentException('Unsupported PBKDF'); | |
66 | } | |
67 | ||
68 | public function getPBKDFFromSignature($signature) { | |
69 | list ($name, $hash) = explode('-', $signature, 2); | |
70 | return $this->getPBKDF($name, array('hash' => $hash)); | |
71 | } | |
72 | ||
73 | public function getSymmetricKeyGenerator() { | |
74 | } | |
75 | ||
76 | public function registerKDF($name, $class) { | |
77 | $this->registerType( | |
78 | 'kdf', | |
79 | __NAMESPACE__ . '\\Derivation\\KDF', | |
80 | $name, | |
81 | $class | |
82 | ); | |
83 | } | |
84 | ||
85 | public function registerPBKDF($name, $class) { | |
86 | $this->registerType( | |
87 | 'pbkdf', | |
88 | __NAMESPACE__ . '\\Derivation\\PBKDF', | |
89 | $name, | |
90 | $class | |
91 | ); | |
92 | } | |
93 | ||
94 | protected function loadKDF() { | |
95 | $this->loadFiles( | |
96 | __DIR__ . '/Derivation/KDF', | |
97 | __NAMESPACE__ . '\\Derivation\\KDF\\', | |
98 | array($this, 'registerKDF') | |
99 | ); | |
100 | } | |
101 | ||
102 | protected function loadPBKDF() { | |
103 | $this->loadFiles( | |
104 | __DIR__ . '/Derivation/PBKDF', | |
105 | __NAMESPACE__ . '\\Derivation\\PBKDF\\', | |
106 | array($this, 'registerPBKDF') | |
107 | ); | |
108 | } | |
109 | ||
110 | } |