標籤:
/** * * DES FOR .NET版本 * @author Administrator * */class DES_NET{ var $key; var $iv; //位移量 function DES_NET( $key, $iv=0 ) { //key長度8例如:1234abcd $this->key = $key; if( $iv == 0 ) { $this->iv = $key; //預設以$key 作為 iv } else { $this->iv = $iv; //mcrypt_create_iv ( mcrypt_get_block_size (MCRYPT_DES, MCRYPT_MODE_CBC), MCRYPT_DEV_RANDOM ); } } function encrypt($str) { //加密,返回大寫十六進位字串 $size = mcrypt_get_block_size ( MCRYPT_DES, MCRYPT_MODE_CBC ); $str = $this->pkcs5Pad ( $str, $size ); return strtoupper( bin2hex( mcrypt_cbc(MCRYPT_DES, $this->key, $str, MCRYPT_ENCRYPT, $this->iv ) ) ); } function decrypt($str) { //解密 $strBin = $this->hex2bin( strtolower( $str ) ); $str = mcrypt_cbc( MCRYPT_DES, $this->key, $strBin, MCRYPT_DECRYPT, $this->iv ); $str = $this->pkcs5Unpad( $str ); return $str; } function hex2bin($hexData) { $binData = ""; for($i = 0; $i < strlen ( $hexData ); $i += 2) { $binData .= chr ( hexdec ( substr ( $hexData, $i, 2 ) ) ); } return $binData; } function pkcs5Pad($text, $blocksize) { $pad = $blocksize - (strlen ( $text ) % $blocksize); return $text . str_repeat ( chr ( $pad ), $pad ); } function pkcs5Unpad($text) { $pad = ord ( $text {strlen ( $text ) - 1} ); if ($pad > strlen ( $text )) return false; if (strspn ( $text, chr ( $pad ), strlen ( $text ) - $pad ) != $pad) return false; return substr ( $text, 0, - 1 * $pad ); } }/** * * DES JAVA版本 * @author Administrator * */class DES_JAVA{var $key;function DES_JAVA( $key ){$this->key = $key;}function encrypt($encrypt) {$encrypt = $this->pkcs5_pad($encrypt);$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_DES, MCRYPT_MODE_ECB), MCRYPT_RAND);$passcrypt = mcrypt_encrypt(MCRYPT_DES, $this->key, $encrypt, MCRYPT_MODE_ECB, $iv);return strtoupper( bin2hex($passcrypt) );}function decrypt($decrypt) {// $decoded = base64_decode($decrypt);$decoded = pack("H*", $decrypt);$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_DES, MCRYPT_MODE_ECB), MCRYPT_RAND);$decrypted = mcrypt_decrypt(MCRYPT_DES, $this->key, $decoded, MCRYPT_MODE_ECB, $iv);return $this->pkcs5_unpad($decrypted);}function pkcs5_unpad($text){$pad = ord($text{strlen($text)-1});if ($pad > strlen($text)) return $text;if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return $text;return substr($text, 0, -1 * $pad);}function pkcs5_pad($text){$len = strlen($text);$mod = $len % 8;$pad = 8 - $mod;return $text.str_repeat(chr($pad),$pad);}}
PHP版本DES加密解(對應.net版與JAVA版)