init method

@override void init(covariant ScryptParameters params)

Init the derivator with its initialization params. The type of CipherParameters depends on the algorithm being used (see the documentation of each implementation to find out more).

Implementation

@override
void init(covariant ScryptParameters params) {
  _params = params;

  final N = _params!.N;
  final r = _params!.r;
  final p = _params!.p;

  if (N < 2 || (N & (N - 1)) != 0) {
    throw ArgumentError('N must be a power of 2 greater than 1');
  }

  if (N > _maxValue ~/ 128 ~/ r) {
    throw ArgumentError('Parameter N is too large');
  }

  if (r > _maxValue ~/ 128 ~/ p) {
    throw ArgumentError('Parameter r is too large');
  }
}