AsymmetricCipherKeyPair p2 = pGen.generateKeyPair();
//
// stream test
//
IESEngine i1 = new IESEngine(
new ECDHBasicAgreement(),
new KDF2BytesGenerator(new SHA1Digest()),
new HMac(new SHA1Digest()));
IESEngine i2 = new IESEngine(
new ECDHBasicAgreement(),
new KDF2BytesGenerator(new SHA1Digest()),
new HMac(new SHA1Digest()));
byte[] d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
byte[] e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
IESParameters p = new IESParameters(d, e, 64);
i1.init(true, p1.getPrivate(), p2.getPublic(), p);
i2.init(false, p2.getPrivate(), p1.getPublic(), p);
byte[] message = Hex.decode("1234567890abcdef");
try
{
byte[] out1 = i1.processBlock(message, 0, message.length);
byte[] out2 = i2.processBlock(out1, 0, out1.length);
if (!sameAs(out2, message))
{
return new SimpleTestResult(false, this.getName() + ": stream cipher test failed");
}
}
catch (Exception ex)
{
return new SimpleTestResult(false, this.getName() + ": stream cipher test exception " + ex.toString());
}
//
// twofish with IV0 test
//
BufferedBlockCipher c1 = new PaddedBufferedBlockCipher(
new CBCBlockCipher(new TwofishEngine()));
BufferedBlockCipher c2 = new PaddedBufferedBlockCipher(
new CBCBlockCipher(new TwofishEngine()));
i1 = new IESEngine(
new ECDHBasicAgreement(),
new KDF2BytesGenerator(new SHA1Digest()),
new HMac(new SHA1Digest()),
c1);
i2 = new IESEngine(
new ECDHBasicAgreement(),
new KDF2BytesGenerator(new SHA1Digest()),
new HMac(new SHA1Digest()),
c2);
d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
p = new IESWithCipherParameters(d, e, 64, 128);
i1.init(true, p1.getPrivate(), p2.getPublic(), p);
i2.init(false, p2.getPrivate(), p1.getPublic(), p);
message = Hex.decode("1234567890abcdef");
try
{
byte[] out1 = i1.processBlock(message, 0, message.length);
byte[] out2 = i2.processBlock(out1, 0, out1.length);
if (!sameAs(out2, message))
{
return new SimpleTestResult(false, this.getName() + ": twofish cipher test failed");
}