private void chachaTest1(
int rounds,
ICipherParameters parameters,
string v0,
string v192,
string v256,
string v448)
{
IStreamCipher salsa = new ChaChaEngine(rounds);
byte[] buf = new byte[64];
salsa.Init(true, parameters);
for (int i = 0; i != 7; i++)
{
salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
switch (i)
{
case 0:
if (!AreEqual(buf, Hex.Decode(v0)))
{
mismatch("v0/" + rounds, v0, buf);
}
break;
case 3:
if (!AreEqual(buf, Hex.Decode(v192)))
{
mismatch("v192/" + rounds, v192, buf);
}
break;
case 4:
if (!AreEqual(buf, Hex.Decode(v256)))
{
mismatch("v256/" + rounds, v256, buf);
}
break;
default:
// ignore
break;
}
}
for (int i = 0; i != 64; i++)
{
buf[i] = salsa.ReturnByte(zeroes[i]);
}
if (!AreEqual(buf, Hex.Decode(v448)))
{
mismatch("v448", v448, buf);
}
}