Esempio n. 1
0
        private void testFF3_1w()
        {
            byte[] key        = Hex.Decode("EF4359D8D580AA4F7F036D6F04FC6A942B7E151628AED2A6");
            byte[] plainText  = Hex.Decode("0327035100210215");
            byte[] cipherText = Hex.Decode("02fb024900310220");
            byte[] tweak      = Hex.Decode("39383736353433");

            FpeEngine fpeEngine = new FpeFf3_1Engine();

            fpeEngine.Init(true, new FpeParameters(new KeyParameter(key), 1024, tweak));

            byte[] enc = new byte[plainText.Length];

            fpeEngine.ProcessBlock(plainText, 0, plainText.Length, enc, 0);

            IsTrue("enc failed: " + Hex.ToHexString(enc), AreEqual(cipherText, enc));

            fpeEngine.Init(false, new FpeParameters(new KeyParameter(key), 1024, tweak));

            fpeEngine.ProcessBlock(cipherText, 0, cipherText.Length, enc, 0);

            IsTrue(AreEqual(plainText, enc));

            byte[] outPt = Hex.Decode("03270F5100210215");

            try
            {
                fpeEngine.ProcessBlock(outPt, 0, outPt.Length, enc, 0);
            }
            catch (ArgumentException e)
            {
                IsEquals("input data outside of radix", e.Message);
            }
        }
Esempio n. 2
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        private void testFF3_1_255()
        {
            byte[] key   = Hex.Decode("339BB5B1F2D44BAABF87CA1B7380CDC8");
            byte[] tweak = Hex.Decode("3F096DE35BFA31");
            int    radix = 256;

            FpeEngine fpeEngine = new FpeFf3_1Engine();

            fpeEngine.Init(true, new FpeParameters(new KeyParameter(key), radix, tweak));

            ulong valueToEncrypt = 0x31009155FFL;

            byte[] bytes = Hex.Decode("00000031009155FF");
            byte[] enc   = new byte[bytes.Length];
            //Encrypt

            fpeEngine.ProcessBlock(bytes, 0, bytes.Length, enc, 0);

            IsTrue(Arrays.AreEqual(Hex.Decode("18fa139dc978a681"), enc));

            //Decrypt
            fpeEngine.Init(false, new FpeParameters(new KeyParameter(key), radix, tweak));

            fpeEngine.ProcessBlock(enc, 0, enc.Length, enc, 0);

            IsTrue(Arrays.AreEqual(bytes, enc));
        }
Esempio n. 3
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        private void testFF3_1Sample(FFSample ff3_1)
        {
            FpeEngine fpeEngine = new FpeFf3_1Engine();

            fpeEngine.Init(true, new FpeParameters(new KeyParameter(ff3_1.getKey()), ff3_1.getRadix(), ff3_1.getTweak()));

            byte[] plain = ff3_1.getPlaintext();
            byte[] enc   = new byte[plain.Length];

            fpeEngine.ProcessBlock(plain, 0, plain.Length, enc, 0);

            IsTrue(AreEqual(ff3_1.getCiphertext(), enc));

            fpeEngine.Init(false, new FpeParameters(new KeyParameter(ff3_1.getKey()), ff3_1.getRadix(), ff3_1.getTweak()));

            fpeEngine.ProcessBlock(ff3_1.getCiphertext(), 0, plain.Length, enc, 0);

            IsTrue(AreEqual(ff3_1.getPlaintext(), enc));
        }
Esempio n. 4
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        public void testFF3_1()
        {
            for (int i = 0; i < ff3_1Samples.Length; ++i)
            {
                testFF3_1Sample(ff3_1Samples[i]);
            }

            byte[] key       = Hex.Decode("EF4359D8D580AA4F7F036D6F04FC6A942B7E151628AED2A6");
            byte[] plainText = Hex.Decode("0327035100210215");
            byte[] tweak     = Hex.Decode("39383736353433");

            FpeEngine fpeEngine = new FpeFf3_1Engine();

            fpeEngine.Init(true, new FpeParameters(new KeyParameter(key), 24, tweak));

            try
            {
                fpeEngine.ProcessBlock(plainText, 0, plainText.Length, plainText, 0);
                Fail("no exception");
            }
            catch (ArgumentException e)
            {
                IsEquals("input data outside of radix", e.Message);
            }

            try
            {
                fpeEngine.Init(true, new FpeParameters(new KeyParameter(key), 24, Hex.Decode("beef")));

                Fail("no exception");
            }
            catch (ArgumentException e)
            {
                IsEquals("tweak should be 56 bits", e.Message);
            }
        }