FezHwp03

1function my_simple_crypt( $string, $action = 'e' ) {
2        // you may change these values to your own
3        $secret_key = 'abcdefgh';
4        $secret_iv  = 'xyz12345';
5
6        $output = false;
7        $encrypt_method = "AES-256-CBC";
8        $key = hash( 'sha256', $secret_key );
9        $iv = substr( hash( 'sha256', $secret_iv ), 0, 16 );
10
11        if( $action == 'e' ) {
12            $output = base64_encode( openssl_encrypt( $string, $encrypt_method, $key, 0, $iv ) );
13        }
14        else if( $action == 'd' ){
15            $output = openssl_decrypt( base64_decode( $string ), $encrypt_method, $key, 0, $iv );
16        }
17    return $output;
18}