C

PHP: class JoDES { private static $_instance = NULL; /** * @return JoDES */ public static function share() { if (is_null(self::$_instance)) { self::$_instance = new JoDES(); } return self::$_instance; } /** * Encryption * @param string $str The string to be processed * @param string $key encryption key, 8 bytes long * @return string */ public function encode($str, $key) { $size = mcrypt_get_block_size(MCRYPT_DES, MCRYPT_MODE_CBC); $str = $this->pkcs5Pad($str, $size); $aaa = mcrypt_cbc(MCRYPT_DES, $key, $str, MCRYPT_ENCRYPT, $key); $ret = base64_encode($aaa); return $ret; } /** * Decrypt * @param string $str The string to be processed * @param string $key decryption Key, 8 bytes long * @return string */ public function decode($str, $key) { $strBin = base64_decode($str); $str = mcrypt_cbc(MCRYPT_DES, $key, $strBin, MCRYPT_DECRYPT, $key); $str = $this->pkcs5Unpad($str); return $str; } function hex2bin($hexData) { $binData = “”; for ($i = 0; $i strlen($text)) return false; if (strspn($text, chr($pad), strlen($text) – $pad) != $pad) return false; return substr($text, 0, – 1 * $pad); } } C# public class MyDes { /// /// DES encryption method /// /// Plain text /// Key /// Vector /// Cryptotext public static string Encode(string source, string _DESKey) { StringBuilder sb = new StringBuilder(); using (DESCryptoServiceProvider des = new DESCryptoServiceProvider()) {…