<?php
function my_simple_crypt( $string, $action = 'e' ) {
// you may change these values to your own
$secret_key = 'my_simple_secret_key';
$secret_iv = 'my_simple_secret_iv';
$output = false;
$encrypt_method = "AES-256-CBC";
$key = hash( 'sha256', $secret_key );
$iv = substr( hash( 'sha256', $secret_iv ), 0, 16 );
if( $action == 'e' ) {
$output = base64_encode( openssl_encrypt( $string, $encrypt_method, $key, 0, $iv ) );
}
else if( $action == 'd' ){
$output = openssl_decrypt( base64_decode( $string ), $encrypt_method, $key, 0, $iv );
}
return $output;
}
$encrypted = my_simple_crypt( 'Hello World!', 'e' );
echo $encrypted;
$decrypted = my_simple_crypt( 'RTlOMytOZStXdjdHbDZtamNDWFpGdz09', 'd' );
preferences:
47.43 ms | 402 KiB | 5 Q