<?php

class SED {
    public static function encryption($string){
        $output=FALSE;
        $key=hash('sha256', SECRET_KEY);
        $iv=substr(hash('sha256', SECRET_IV), 0, 16);
        $output=openssl_encrypt($string, METHOD, $key, 0, $iv);
        $output=base64_encode($output);
        return $output;
    }
    
    public static function decryption($string){
        $key=hash('sha256', SECRET_KEY);
        $iv=substr(hash('sha256', SECRET_IV), 0, 16);
        $output=openssl_decrypt(base64_decode($string), METHOD, $key, 0, $iv);
        return $output;
    }
}


?>