ircmaxell /
RandomLib
| @@ 111-121 (lines=11) @@ | ||
| 108 | * @param string $key Encryption key |
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| 109 | * @return string Resulting ciphertext |
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| 110 | */ |
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| 111 | private function encryptBlock($input, $key) { |
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| 112 | if (!$input && !$key) { |
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| 113 | return ''; |
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| 114 | } |
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| 115 | ||
| 116 | $this->prepareCipher($key); |
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| 117 | $result = mcrypt_generic($this->mcrypt, $input); |
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| 118 | mcrypt_generic_deinit($this->mcrypt); |
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| 119 | ||
| 120 | return $result; |
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| 121 | } |
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| 122 | ||
| 123 | /** |
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| 124 | * Derypts a block using the suppied key |
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| @@ 130-140 (lines=11) @@ | ||
| 127 | * @param string $key Encryption key |
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| 128 | * @return string Resulting plaintext |
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| 129 | */ |
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| 130 | private function decryptBlock($input, $key) { |
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| 131 | if (!$input && !$key) { |
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| 132 | return ''; |
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| 133 | } |
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| 134 | ||
| 135 | $this->prepareCipher($key); |
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| 136 | $result = mdecrypt_generic($this->mcrypt, $input); |
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| 137 | mcrypt_generic_deinit($this->mcrypt); |
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| 138 | ||
| 139 | return $result; |
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| 140 | } |
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| 141 | ||
| 142 | /** |
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| 143 | * Sets up the mcrypt module |
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