| public Init ( bool forEncryption, ICipherParameters parameters ) : void | ||
| forEncryption | bool | |
| parameters | ICipherParameters | |
| Результат | void | |
private void salsa20Test2(
ICipherParameters parameters,
string v0,
string v65472,
string v65536)
{
IStreamCipher salsa = new Salsa20Engine();
byte[] buf = new byte[64];
salsa.Init(true, parameters);
for (int i = 0; i != 1025; i++)
{
salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
switch (i)
{
case 0:
if (!AreEqual(buf, Hex.Decode(v0)))
{
mismatch("v0", v0, buf);
}
break;
case 1023:
if (!AreEqual(buf, Hex.Decode(v65472)))
{
mismatch("v65472", v65472, buf);
}
break;
case 1024:
if (!AreEqual(buf, Hex.Decode(v65536)))
{
mismatch("v65536", v65536, buf);
}
break;
default:
// ignore
break;
}
}
}
private void reinitBug()
{
KeyParameter key = new KeyParameter(Hex.Decode("80000000000000000000000000000000"));
ParametersWithIV parameters = new ParametersWithIV(key, Hex.Decode("0000000000000000"));
IStreamCipher salsa = new Salsa20Engine();
salsa.Init(true, parameters);
try
{
salsa.Init(true, key);
Fail("Salsa20 should throw exception if no IV in Init");
}
catch (ArgumentException)
{
}
}
private void salsa20Test1(
int rounds,
ICipherParameters parameters,
string v0,
string v192,
string v256,
string v448)
{
IStreamCipher salsa = new Salsa20Engine(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);
}
}
