ProcessBlock() публичный Метод

public ProcessBlock ( byte input, int inOff, int inLen ) : byte[]
input byte
inOff int
inLen int
Результат byte[]
Пример #1
0
		private void DoTest(
			AsymmetricCipherKeyPair	p1,
			AsymmetricCipherKeyPair	p2)
		{
			//
			// 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.Private, p2.Public, p);
			i2.Init(false, p2.Private, p1.Public, p);

			byte[] message = Hex.Decode("1234567890abcdef");

			byte[] out1 = i1.ProcessBlock(message, 0, message.Length);

			byte[] out2 = i2.ProcessBlock(out1, 0, out1.Length);

			if (!AreEqual(out2, message))
			{
				Fail("stream cipher test failed");
			}

			//
			// twofish with CBC
			//
			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.Private, p2.Public, p);
			i2.Init(false, p2.Private, p1.Public, p);

			message = Hex.Decode("1234567890abcdef");

			out1 = i1.ProcessBlock(message, 0, message.Length);

			out2 = i2.ProcessBlock(out1, 0, out1.Length);

			if (!AreEqual(out2, message))
			{
				Fail("twofish cipher test failed");
			}
		}
Пример #2
0
		private void StaticTest()
		{
			FpCurve curve = new FpCurve(
				new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
				new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
				new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b

			ECDomainParameters parameters = new ECDomainParameters(
				curve,
				curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), // G
				new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n

			ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
				"ECDH",
				new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
				parameters);

			ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
				"ECDH",
				curve.DecodePoint(Hex.Decode("0262b12d60690cdcf330babab6e69763b471f994dd702d16a5")), // Q
				parameters);

			AsymmetricCipherKeyPair p1 = new AsymmetricCipherKeyPair(pubKey, priKey);
			AsymmetricCipherKeyPair p2 = new AsymmetricCipherKeyPair(pubKey, priKey);

			//
			// 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.Private, p2.Public, p);
			i2.Init(false, p2.Private, p1.Public, p);

			byte[] message = Hex.Decode("1234567890abcdef");

			byte[] out1 = i1.ProcessBlock(message, 0, message.Length);

			if (!AreEqual(out1, Hex.Decode("468d89877e8238802403ec4cb6b329faeccfa6f3a730f2cdb3c0a8e8")))
			{
				Fail("stream cipher test failed on enc");
			}

			byte[] out2 = i2.ProcessBlock(out1, 0, out1.Length);

			if (!AreEqual(out2, message))
			{
				Fail("stream cipher test failed");
			}

			//
			// twofish with CBC
			//
			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.Private, p2.Public, p);
			i2.Init(false, p2.Private, p1.Public, p);

			message = Hex.Decode("1234567890abcdef");

			out1 = i1.ProcessBlock(message, 0, message.Length);

			if (!AreEqual(out1, Hex.Decode("b8a06ea5c2b9df28b58a0a90a734cde8c9c02903e5c220021fe4417410d1e53a32a71696")))
			{
				Fail("twofish cipher test failed on enc");
			}

			out2 = i2.ProcessBlock(out1, 0, out1.Length);

			if (!AreEqual(out2, message))
			{
				Fail("twofish cipher test failed");
			}
		}
Пример #3
0
        private void StaticTest()
        {
            FpCurve curve = new FpCurve(
                new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
                new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
                new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b

            ECDomainParameters parameters = new ECDomainParameters(
                curve,
                curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), // G
                new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n

            ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
                "ECDH",
                new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
                parameters);

            ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
                "ECDH",
                curve.DecodePoint(Hex.Decode("0262b12d60690cdcf330babab6e69763b471f994dd702d16a5")), // Q
                parameters);

            AsymmetricCipherKeyPair p1 = new AsymmetricCipherKeyPair(pubKey, priKey);
            AsymmetricCipherKeyPair p2 = new AsymmetricCipherKeyPair(pubKey, priKey);

            //
            // 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.Private, p2.Public, p);
            i2.Init(false, p2.Private, p1.Public, p);

            byte[] message = Hex.Decode("1234567890abcdef");

            byte[] out1 = i1.ProcessBlock(message, 0, message.Length);

            if (!AreEqual(out1, Hex.Decode("2442ae1fbf90dd9c06b0dcc3b27e69bd11c9aee4ad4cfc9e50eceb44")))
            {
                Fail("stream cipher test failed on enc");
            }

            byte[] out2 = i2.ProcessBlock(out1, 0, out1.Length);

            if (!AreEqual(out2, message))
            {
                Fail("stream cipher test failed");
            }

            //
            // twofish with CBC
            //
            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.Private, p2.Public, p);
            i2.Init(false, p2.Private, p1.Public, p);

            message = Hex.Decode("1234567890abcdef");

            out1 = i1.ProcessBlock(message, 0, message.Length);

            if (!AreEqual(out1, Hex.Decode("2ea288651e21576215f2424bbb3f68816e282e3931b44bd1c429ebdb5f1b290cf1b13309")))
            {
                Fail("twofish cipher test failed on enc");
            }

            out2 = i2.ProcessBlock(out1, 0, out1.Length);

            if (!AreEqual(out2, message))
            {
                Fail("twofish cipher test failed");
            }
        }