public virtual void Update(byte[] input, int offset, int len)
{
if (Log.Level >= 5)
{
Log.WriteLine("update: " + _updates + " " + offset + ":" + len);
Hexdump.ToHexdump(Log, input, offset, Math.Min(len, 256));
Log.Flush();
}
if (len == 0)
{
return;
}
_digest.Update(input, offset, len);
_updates++;
}