private void VectorTest(byte[] Key, byte[] Input, byte[] Output)
{
byte[] outBytes = new byte[Input.Length];
using (THX tfx = new THX())
{
tfx.Initialize(true, new KeyParams(Key));
tfx.EncryptBlock(Input, outBytes);
}
if (Evaluate.AreEqual(outBytes, Output) == false)
{
throw new Exception("Twofish Vector: Encrypted arrays are not equal! Expected: " + HexConverter.ToString(Output) + " Received: " + HexConverter.ToString(outBytes));
}
using (THX tfx = new THX())
{
tfx.Initialize(false, new KeyParams(Key));
tfx.Transform(Output, outBytes);
}
if (Evaluate.AreEqual(outBytes, Input) == false)
{
throw new Exception("Twofish Vector: Decrypted arrays are not equal! Expected: " + HexConverter.ToString(Input) + " Received: " + HexConverter.ToString(outBytes));
}
}
private void MonteCarloTest(byte[] Key, byte[] Input, byte[] Output, bool Encrypt = true, int Count = 10000)
{
byte[] outBytes = new byte[Input.Length];
Array.Copy(Input, 0, outBytes, 0, outBytes.Length);
using (THX engine = new THX())
{
engine.Initialize(Encrypt, new KeyParams(Key));
for (int i = 0; i < Count; i++)
{
engine.Transform(outBytes, outBytes);
}
}
if (Evaluate.AreEqual(outBytes, Output) == false)
{
throw new Exception("Twofish MonteCarlo: Arrays are not equal! Expected: " + HexConverter.ToString(Output) + " Received: " + HexConverter.ToString(outBytes));
}
}
/// <summary>
/// Tests the SecureRandom access methods and return ranges
/// </summary>
/// <returns>Status</returns>
public string Run()
{
try
{
CbcModeTest();
OnProgress(new TestEventArgs("Passed CBC Mode tests.."));
CfbModeTest();
OnProgress(new TestEventArgs("Passed CFB Mode tests.."));
CtrModeTest();
OnProgress(new TestEventArgs("Passed CTR Mode tests.."));
OfbModeTest();
OnProgress(new TestEventArgs("Passed OFB Mode tests.."));
StreamTest();
OnProgress(new TestEventArgs("Passed Stream Cipher tests"));
SerializeStructTest();
OnProgress(new TestEventArgs("Passed CipherDescription serialization test.."));
OnProgress(new TestEventArgs(""));
OnProgress(new TestEventArgs("***Testing Cipher Parameters***.. "));
ParametersTest();
OnProgress(new TestEventArgs("Passed Cipher Parameters test.."));
RHX eng = new RHX();
OnProgress(new TestEventArgs("***Testing Padding Modes***.."));
StreamModesTest(new CBC(eng, false), new X923());
OnProgress(new TestEventArgs("Passed CBC/X923 CipherStream test.."));
StreamModesTest(new CBC(eng, false), new PKCS7());
OnProgress(new TestEventArgs("Passed CBC/PKCS7 CipherStream test.."));
StreamModesTest(new CBC(eng, false), new TBC());
OnProgress(new TestEventArgs("Passed CBC/TBC CipherStream test.."));
StreamModesTest(new CBC(eng, false), new ISO7816());
OnProgress(new TestEventArgs("Passed CBC/ISO7816 CipherStream test.."));
OnProgress(new TestEventArgs(""));
OnProgress(new TestEventArgs("***Testing Cipher Modes***.."));
StreamModesTest(new CTR(eng, false), new ISO7816());
OnProgress(new TestEventArgs("Passed CTR CipherStream test.."));
StreamModesTest(new CFB(eng, 16, false), new ISO7816());
OnProgress(new TestEventArgs("Passed CFB CipherStream test.."));
StreamModesTest(new OFB(eng, 16, false), new ISO7816());
OnProgress(new TestEventArgs("Passed OFB CipherStream test.."));
OnProgress(new TestEventArgs(""));
eng.Dispose();
OnProgress(new TestEventArgs("***Testing Stream Ciphers***.."));
StreamingTest(new ChaCha20());
OnProgress(new TestEventArgs("Passed ChaCha CipherStream test.."));
StreamingTest(new Salsa20());
OnProgress(new TestEventArgs("Passed Salsa20 CipherStream test.."));
OnProgress(new TestEventArgs(""));
OnProgress(new TestEventArgs("***Testing Cipher Description Initialization***.."));
CipherDescription cd = new CipherDescription(
SymmetricEngines.RHX, // cipher engine
32, // key size in bytes
IVSizes.V128, // cipher iv size
CipherModes.CTR, // cipher mode
PaddingModes.ISO7816, // cipher padding
BlockSizes.B128, // cipher block size
RoundCounts.R14, // number of transformation rounds
Digests.None, // optional key schedule engine (HX ciphers)
0, // optional HMAC size
Digests.None); // optional HMAC engine
DescriptionTest(cd);
OnProgress(new TestEventArgs("Passed CipherDescription stream test.."));
OnProgress(new TestEventArgs(""));
OnProgress(new TestEventArgs("***Testing Block Ciphers***.. "));
THX tfx = new THX();
StreamModesTest(new CBC(tfx, false), new ISO7816());
tfx.Dispose();
OnProgress(new TestEventArgs("Passed THX CipherStream test.."));
SHX spx = new SHX();
StreamModesTest(new CBC(spx, false), new ISO7816());
spx.Dispose();
OnProgress(new TestEventArgs("Passed SHX CipherStream test.."));
Array.Resize(ref _key, 192);
for (int i = 0; i < 192; i++)
{
_key[i] = (byte)i;
}
// test extended ciphers
RHX rhx = new RHX();
StreamModesTest(new CBC(rhx, false), new ISO7816());
rhx.Dispose();
OnProgress(new TestEventArgs("Passed RHX CipherStream test.."));
SHX shx = new SHX();
StreamModesTest(new CBC(shx, false), new ISO7816());
shx.Dispose();
OnProgress(new TestEventArgs("Passed SHX CipherStream test.."));
THX thx = new THX();
StreamModesTest(new CBC(thx, false), new ISO7816());
thx.Dispose();
OnProgress(new TestEventArgs("Passed THX CipherStream test.."));
OnProgress(new TestEventArgs(""));
return(SUCCESS);
}
catch (Exception Ex)
{
string message = Ex.Message == null ? "" : Ex.Message;
throw new Exception(FAILURE + message);
}
}