openssl 加密解密类

<?php
//openssl 加密解密类
class crypto{
    const KEY = 'z8QFEl7dJ3ZWryJP'.
                'fIWowJJFTJQOoEJ1'.
                'wYS51KHgVvJNEcQe'.
                'oqUY0NMp5zmluHvz';
    
    /**
     * 加密
     * @param $input
     * @param $key
     * @return string
     * @throws
     */
    public static function encryptForDES($input, $key = crypto::KEY){
        $data = openssl_encrypt($input, 'DES-ECB', $key, OPENSSL_RAW_DATA);
        $data = base64_encode($data);
        return $data;
    }

    /**
     * 解密
     * @param $input
     * @param $key
     * @return string
     * @throws
     */
    public static function decryptForDES($input, $key = crypto::KEY){
        $data = openssl_decrypt(base64_decode($input), 'DES-ECB', $key, OPENSSL_RAW_DATA);
        return $data;
    }
}

$str = '我的名字是齐天大圣！';

$ret = crypto::encryptForDES($str);
echo $ret.'<br>';
echo crypto::decryptForDES($ret);