/**
* Sets the key-size for encryption/decryption in number of bits
* @param mixed $newsize The new key size. The valid integer values are: 128, 192, 256 (default)
* $newsize may be NULL or may be omited - in this case
* this method is just a getter of the current key size value.
* @return integer Returns the old key size value.
*/
public static function size($newsize = null)
{
$result = self::$key_size;
if (is_null($newsize)) {
return $result;
}
$newsize = (string) $newsize;
if ($newsize == '') {
return $result;
}
$valid_integer = ctype_digit($newsize);
$newsize = (int) $newsize;
if (!$valid_integer || !in_array($newsize, self::$valid_key_sizes)) {
trigger_error('GibberishAES: Invalid key size value was to be set. It should be an integer value (number of bits) amongst: ' . implode(', ', self::$valid_key_sizes) . '.', E_USER_WARNING);
} else {
self::$key_size = $newsize;
}
return $result;
}
/**
* Sets the key-size for encryption/decryption in number of bits
* @param mixed $newsize The new key size. The valid integer values are: 128, 192, 256 (default)
* $newsize may be NULL or may be omited - in this case
* this method is just a getter of the current key size value.
* @return integer Returns the old key size value.
*/
public static function size($newsize = null)
{
$result = self::$key_size;
if (is_null($newsize)) {
return $result;
}
$newsize = (string) $newsize;
if ($newsize == '') {
return $result;
}
$valid_integer = ctype_digit($newsize);
$newsize = (int) $newsize;
if (!$valid_integer || !in_array($newsize, self::$valid_key_sizes)) {
trigger_error('Invalid key size value was to be set. It should be integer value (number of bits) amongst: 128, 192, 256.', E_WARNING);
}
self::$key_size = $newsize;
return $result;
}
