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<?php
class Xcrypt{
private $mcrypt;
private $key;
private $mode;
private $iv;
private $blocksize;
public function __construct($key, $mode = 'cbc', $iv = "off"){
switch (strlen($key)){
case 8:
$this->mcrypt = MCRYPT_DES;
break;
case 16:
$this->mcrypt = MCRYPT_RIJNDAEL_128;
break;
case 32:
$this->mcrypt = MCRYPT_RIJNDAEL_256;
break;
default:
die("Key size must be 8/16/32");
}Commonly used symmetric encryption algorithm class
Supported key: 64/128/256 bit (byte length 8/16/32)
Supported algorithm: DES/AES (according to the key Key length automatic matching uses: DES: 64bit AES: 128/256bit)
Supported mode: CBC/ECB/OFB/CFB
Ciphertext encoding: base64 string/hexadecimal character String/binary string stream
Padding method: PKCS5Padding (DES)
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