/**
* Encrypts a string then returns the data
*
* @param $string
*
* @param $key
*
* @return null|string
*/
public static function EncryptString($string, $key)
{
/**
* This string is not a string! only strings will work here!
*/
if (is_string($string) == false) {
return null;
}
/**
* By converting to Base64, it allows us to store this data
*/
$vector = base64_encode(Encryption::CreateVector());
/**
* Return the encrypted string
*/
$encrypted_string = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $string, MCRYPT_MODE_CBC, base64_decode($vector)));
/**
* We then return an array
*/
return ['encrypted_string' => $encrypted_string, 'vector' => $vector];
}