private void PadAndSwitchToSqueezingPhase()
{
_dataQueue[_bitsInQueue >> 3] |= (byte)(1 << (_bitsInQueue & 7));
if (++_bitsInQueue == _rate)
{
KeccakAbsorb(_dataQueue, 0);
}
else
{
int full = _bitsInQueue >> 6, partial = _bitsInQueue & 63;
int off = 0;
for (int i = 0; i < full; ++i)
{
_state[i] ^= NativeFastShaUtils.LE_To_UInt64(_dataQueue, off);
off += 8;
}
if (partial > 0)
{
ulong mask = (1UL << partial) - 1UL;
_state[full] ^= NativeFastShaUtils.LE_To_UInt64(_dataQueue, off) & mask;
}
}
_state[(_rate - 1) >> 6] ^= (1UL << 63);
_bitsInQueue = 0;
_squeezing = true;
}
private void KeccakAbsorb(byte[] data, int off)
{
int count = _rate >> 6;
for (int i = 0; i < count; ++i)
{
_state[i] ^= NativeFastShaUtils.LE_To_UInt64(data, off);
off += 8;
}
KeccakPermutation();
}