public override void PerformTest()
{
byte[] key = Hex.Decode("9661410AB797D8A9EB767C21172DF6C7");
byte[] iv = Hex.Decode("4B5C2F003E67F39557A8D26F3DA2B155");
ICipherParameters kp = new KeyParameter(key);
ICipherParameters kpwiv = new ParametersWithIV(kp, iv);
VmpcKsa3Engine engine = new VmpcKsa3Engine();
try
{
engine.Init(true, kp);
Fail("Init failed to throw expected exception");
}
catch (ArgumentException)
{
// Expected
}
engine.Init(true, kpwiv);
checkEngine(engine);
engine.Reset();
byte[] output = checkEngine(engine);
engine.Init(false, kpwiv);
byte[] recovered = new byte[output.Length];
engine.ProcessBytes(output, 0, output.Length, recovered, 0);
if (!Arrays.AreEqual(input, recovered))
{
Fail("decrypted bytes differ from original bytes");
}
}
public void Crypt(byte[] data, int nOffset = 0, int nLength = 0)
{
if (nLength == 0)
{
nLength = data.Length;
}
if (m_engine != null)
{
m_engine.ProcessBytes(data, nOffset, nLength, data, nOffset);
}
else
{
throw new Exception("Engine not Initalized");
}
}
private byte[] checkEngine(VmpcKsa3Engine engine)
{
byte[] output = new byte[input.Length];
engine.ProcessBytes(input, 0, output.Length, output, 0);
checkByte(output, 0, (byte)0xB6);
checkByte(output, 1, (byte)0xEB);
checkByte(output, 2, (byte)0xAE);
checkByte(output, 3, (byte)0xFE);
checkByte(output, 252, (byte)0x48);
checkByte(output, 253, (byte)0x17);
checkByte(output, 254, (byte)0x24);
checkByte(output, 255, (byte)0x73);
checkByte(output, 1020, (byte)0x1D);
checkByte(output, 1021, (byte)0xAE);
checkByte(output, 1022, (byte)0xC3);
checkByte(output, 1023, (byte)0x5A);
checkByte(output, 102396, (byte)0x1D);
checkByte(output, 102397, (byte)0xA7);
checkByte(output, 102398, (byte)0xE1);
checkByte(output, 102399, (byte)0xDC);
return(output);
}