public void FillUp()
{
sh.Initialize();
sh.Update(o1);
sh.Update(o0);
sh.Update(o2);
memcopy(o0, sh.Final());
taken = 0;
}
public Sha1Warden(byte[] buff, UInt32 size)
{
sh = new Sha1Hash();
taken = size / 2;
byte[] buff2 = new byte[taken];
memcopy(buff2, buff);
sh.Initialize();
sh.Update(buff2);
memcopy(o1, sh.Final());
byte[] buff3 = new byte[20];
memcopy(buff3, buff, 20);
sh.Initialize();
sh.Update(buff3);
memcopy(o2, sh.Final());
memset(o0, 0x00);
FillUp();
}