chacha20 method

@override Chacha20 chacha20({ required MacAlgorithm macAlgorithm, })

A factory used by Chacha20.

Implementation

@override
Chacha20 chacha20({required MacAlgorithm macAlgorithm}) {
  return DartChacha20(
    macAlgorithm: macAlgorithm,
    random: _random,
  );
}