<? /* * DEFINE CONSTANTS */ $HashPassPhrase = "passpharse"; $HashSalt = "saltvalue"; $HashAlgorithm = "SHA1"; $HashIterations = "2"; $InitVector = "1a2b3c4d5e6f7g8h"; // Must be 16 bytes $keySize = "256"; class Cipher { private $securekey, $iv; function __construct($textkey) { $this->securekey = hash($HashAlgorithm,$textkey,TRUE); $this->iv = $InitVector; } function encrypt($input) { return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $this->securekey, $input, MCRYPT_MODE_CBC, $this->iv)); } function decrypt($input) { return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $this->securekey, base64_decode($input), MCRYPT_MODE_CBC, $this->iv)); } } $cipher = new Cipher($HashPassPhrase); $encryptedtext = $cipher->encrypt("Text To Encrypt"); echo "->encrypt = $encryptedtext<br />"; $decryptedtext = $cipher->decrypt($encryptedtext); echo "->decrypt = $decryptedtext<br />"; var_dump($cipher); ?>
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