reset method

@override void reset()

Reset the digest to its original state.

Implementation

@override
void reset() {
  _a.set(0x01234567, 0x89ABCDEF);
  _b.set(0xFEDCBA98, 0x76543210);
  _c.set(0xF096A5B4, 0xC3B2E187);

  _bufferOffset = 0;
  _buffer.fillRange(0, _buffer.length, 0);

  _wordBufferOffset = 0;
  _wordBuffer.fillRange(0, _wordBuffer.length, 0);

  _byteCount.set(0);
}