reset method

@override void reset()

Reset the digest to its original state.

Implementation

@override
void reset() {
  _xOff = 0;
  _x.fillRange(0, _x.length, 0);

  _mOff = 0;
  _m.fillRange(0, _m.length, 0);

  _cOff = 0;
  _c.fillRange(0, _c.length, 0);
}