直接上代码吧

?View Code PHP
class CryptAES{
    private $cipher     = "rijndael-128";
    private $mode       = "cbc";
    private $secret_key = "ef955cd2d062642c7b0988f20598d96f";
    private $iv         = "1010011918423013";
 
    function CryptAES($iv,$key){
        $this->iv = $iv;
        $this->secret_key = $key;
    }
 
    function encrypt($str){
        $td = mcrypt_module_open($this->cipher, "", $this->mode, $this->iv);
        mcrypt_generic_init($td, $this->secret_key, $this->iv);
        $cyper_text = mcrypt_generic($td, $str);
        $r = bin2hex($cyper_text);
        mcrypt_generic_deinit($td);
        mcrypt_module_close($td);
        return $r;
    }
 
    function decrypt($str){
        $td = mcrypt_module_open($this->cipher, "", $this->mode, $this->iv);
        mcrypt_generic_init($td, $this->secret_key, $this->iv);
        $decrypted_text = mdecrypt_generic($td, $this->hex2bin($str));
        $r = $decrypted_text;
        mcrypt_generic_deinit($td);
        mcrypt_module_close($td);
        return $r;
    }
 
    private function hex2bin($hexdata) {
        $bindata="";
        for ($i=0;$i<strlen($hexdata);$i+=2) {
            $bindata.=chr(hexdec(substr($hexdata,$i,2)));
        }
        return $bindata;
    }
}
 
$aes = new CryptAES("1010011518423013","af955cd2a0626b2c7f0988f20598d96f");
 
$s0 = "www.codigg.com";
echo "string:".$s0."\n";
$s1 = $aes->encrypt($s0);
echo "encrypted:".$s1."\n";
$s2 = $aes->decrypt($s1);
echo "decrypted:".$s2."\n";