Exemple #1
0
        public void TestThreefish256Nist01()
        {
            byte[] key =
            {
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
                0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F
            };
            byte[] input =
            {
                0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, 0xF0,
                0xEF, 0xEE, 0xED, 0xEC, 0xEB, 0xEA, 0xE9, 0xE8, 0xE7, 0xE6, 0xE5, 0xE4, 0xE3, 0xE2, 0xE1, 0xE0
            };
            ulong[] tweak      = { 0x0706050403020100, 0x0F0E0D0C0B0A0908 };
            byte[]  goodResult =
            {
                0xE0, 0xD0, 0x91, 0xFF, 0x0E, 0xEA, 0x8F, 0xDF, 0xC9, 0x81, 0x92, 0xE6, 0x2E, 0xD8, 0x0A, 0xD5,
                0x9D, 0x86, 0x5D, 0x08, 0x58, 0x8D, 0xF4, 0x76, 0x65, 0x70, 0x56, 0xB5, 0x95, 0x5E, 0x97, 0xDF
            };
            var thf = new Threefish {
                KeySize   = 256,
                BlockSize = 256,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #2
0
        public void TestThreefish1024Nist00()
        {
            byte[]  key        = Key1024Dz;
            byte[]  input      = Input1024Dz;
            ulong[] tweak      = { 0, 0 };
            byte[]  goodResult =
            {
                0xF0, 0x5C, 0x3D, 0x0A, 0x3D, 0x05, 0xB3, 0x04, 0xF7, 0x85, 0xDD, 0xC7, 0xD1, 0xE0, 0x36, 0x01,
                0x5C, 0x8A, 0xA7, 0x6E, 0x2F, 0x21, 0x7B, 0x06, 0xC6, 0xE1, 0x54, 0x4C, 0x0B, 0xC1, 0xA9, 0x0D,
                0xF0, 0xAC, 0xCB, 0x94, 0x73, 0xC2, 0x4E, 0x0F, 0xD5, 0x4F, 0xEA, 0x68, 0x05, 0x7F, 0x43, 0x32,
                0x9C, 0xB4, 0x54, 0x76, 0x1D, 0x6D, 0xF5, 0xCF, 0x7B, 0x2E, 0x9B, 0x36, 0x14, 0xFB, 0xD5, 0xA2,
                0x0B, 0x2E, 0x47, 0x60, 0xB4, 0x06, 0x03, 0x54, 0x0D, 0x82, 0xEA, 0xBC, 0x54, 0x82, 0xC1, 0x71,
                0xC8, 0x32, 0xAF, 0xBE, 0x68, 0x40, 0x6B, 0xC3, 0x95, 0x00, 0x36, 0x7A, 0x59, 0x29, 0x43, 0xFA,
                0x9A, 0x5B, 0x4A, 0x43, 0x28, 0x6C, 0xA3, 0xC4, 0xCF, 0x46, 0x10, 0x4B, 0x44, 0x31, 0x43, 0xD5,
                0x60, 0xA4, 0xB2, 0x30, 0x48, 0x83, 0x11, 0xDF, 0x4F, 0xEE, 0xF7, 0xE1, 0xDF, 0xE8, 0x39, 0x1E
            };
            var thf = new Threefish {
                KeySize   = 1024,
                BlockSize = 1024,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #3
0
        public void TestThreefish512Nist00()
        {
            byte[]  key        = Key512Dz;
            byte[]  input      = Input512Dz;
            ulong[] tweak      = { 0, 0 };
            ulong[] goodResult =
            {
                0xB1, 0xA2, 0xBB, 0xC6, 0xEF, 0x60, 0x25, 0xBC, 0x40, 0xEB, 0x38, 0x22, 0x16, 0x1F, 0x36, 0xE3,
                0x75, 0xD1, 0xBB, 0x0A, 0xEE, 0x31, 0x86, 0xFB, 0xD1, 0x9E, 0x47, 0xC5, 0xD4, 0x79, 0x94, 0x7B,
                0x7B, 0xC2, 0xF8, 0x58, 0x6E, 0x35, 0xF0, 0xCF, 0xF7, 0xE7, 0xF0, 0x30, 0x84, 0xB0, 0xB7, 0xB1,
                0xF1, 0xAB, 0x39, 0x61, 0xA5, 0x80, 0xA3, 0xE9, 0x7E, 0xB4, 0x1E, 0xA1, 0x4A, 0x6D, 0x7B, 0xBE
            };
            var thf = new Threefish {
                KeySize   = 512,
                BlockSize = 512,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #4
0
        public void TestThreefish256Ofb2()
        {
            byte[] input = Input256DiX2;
            byte[] key   = Key256Di;
            var    thf   = new Threefish
            {
                BlockSize    = 256,
                Key          = key,
                IV           = key,
                Mode         = CipherMode.OFB,
                FeedbackSize = 8,
                Padding      = PaddingMode.None
            };
            var enc = thf.CreateEncryptor();

            thf = new Threefish
            {
                BlockSize    = 256,
                Key          = key,
                IV           = key,
                Mode         = CipherMode.OFB,
                FeedbackSize = 256,
                Padding      = PaddingMode.None
            };
            var dec256      = thf.CreateDecryptor();
            var cipher      = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher256 = dec256.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreNotEqual(input, decipher256);
        }
Exemple #5
0
        public void TestThreefish1024Ecb()
        {
            byte[] input      = Input1024Di;
            byte[] key        = Key1024Di;
            byte[] goodCipher =
            {
                0xf1, 0x14, 0x58, 0x92, 0xc9, 0xe6, 0xa8, 0x86, 0xdb, 0x86, 0x58, 0x5d, 0x7d, 0x32, 0x88, 0xca,
                0xef, 0x8c, 0x6f, 0x3d, 0x01, 0x78, 0x0d, 0x23, 0x45, 0xb7, 0x36, 0xf3, 0xf7, 0xf4, 0xe1, 0x65,
                0x41, 0x47, 0x8d, 0x09, 0x4f, 0x07, 0x46, 0xd8, 0x4d, 0x98, 0x4a, 0xa9, 0x64, 0x86, 0x7c, 0x0e,
                0xc1, 0x97, 0x7f, 0x54, 0xed, 0x3d, 0x5c, 0x3d, 0xd5, 0x27, 0xda, 0xbd, 0xa2, 0x78, 0x48, 0x6f,
                0xa7, 0x1c, 0xcf, 0xf2, 0x8c, 0x69, 0x31, 0x8d, 0x6d, 0xb5, 0x80, 0x41, 0xc7, 0x28, 0x42, 0xd0,
                0x55, 0xf5, 0x6f, 0x70, 0xe2, 0xcc, 0xc1, 0xdd, 0x21, 0x26, 0x8d, 0x2e, 0x0e, 0x69, 0x74, 0xcf,
                0x33, 0xa5, 0xab, 0x7d, 0x39, 0xb5, 0x23, 0x3f, 0xdf, 0x16, 0xe2, 0xdc, 0x49, 0x9c, 0x7c, 0x79,
                0x75, 0xf4, 0xe5, 0xfb, 0x1d, 0x6f, 0x63, 0x82, 0x58, 0xba, 0x5b, 0xab, 0xf4, 0xd5, 0x3c, 0xc7
            };
            var thf = new Threefish {
                BlockSize = 1024,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(goodCipher, cipher);
            Assert.AreEqual(input, decipher);
        }
Exemple #6
0
        public void TestThreefish512Ecb()
        {
            byte[] input      = Input512Di;
            byte[] key        = Key512Di;
            byte[] goodCipher =
            {
                0xf6, 0x0c, 0x84, 0x98, 0x58, 0x2d, 0x09, 0x38, 0xa5, 0x93, 0x59, 0x70, 0x4c, 0xfb, 0x92, 0x7e,
                0x7b, 0xb6, 0xe7, 0x0a, 0x06, 0x42, 0xcf, 0x45, 0x36, 0xd6, 0x56, 0x01, 0x87, 0x89, 0xe8, 0x70,
                0x1e, 0xba, 0x54, 0x06, 0x1d, 0xf6, 0x3d, 0x75, 0x49, 0xe6, 0x82, 0xe3, 0x23, 0x9e, 0x24, 0x08,
                0xf3, 0x70, 0x82, 0x5a, 0x32, 0xbe, 0x4b, 0x59, 0xcf, 0x89, 0x4d, 0x73, 0x25, 0x37, 0x7a, 0xf2
            };
            var thf = new Threefish {
                BlockSize = 512,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(goodCipher, cipher);
            Assert.AreEqual(input, decipher);
        }
Exemple #7
0
        public void TestThreefish1024Nist01()
        {
            byte[] key =
            {
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
                0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
                0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
                0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
                0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
                0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
                0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
                0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F
            };
            byte[] input =
            {
                0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, 0xF0,
                0xEF, 0xEE, 0xED, 0xEC, 0xEB, 0xEA, 0xE9, 0xE8, 0xE7, 0xE6, 0xE5, 0xE4, 0xE3, 0xE2, 0xE1, 0xE0,
                0xDF, 0xDE, 0xDD, 0xDC, 0xDB, 0xDA, 0xD9, 0xD8, 0xD7, 0xD6, 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xD0,
                0xCF, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, 0xC9, 0xC8, 0xC7, 0xC6, 0xC5, 0xC4, 0xC3, 0xC2, 0xC1, 0xC0,
                0xBF, 0xBE, 0xBD, 0xBC, 0xBB, 0xBA, 0xB9, 0xB8, 0xB7, 0xB6, 0xB5, 0xB4, 0xB3, 0xB2, 0xB1, 0xB0,
                0xAF, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, 0xA8, 0xA7, 0xA6, 0xA5, 0xA4, 0xA3, 0xA2, 0xA1, 0xA0,
                0x9F, 0x9E, 0x9D, 0x9C, 0x9B, 0x9A, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90,
                0x8F, 0x8E, 0x8D, 0x8C, 0x8B, 0x8A, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80
            };
            ulong[] tweak      = { 0x0706050403020100, 0x0F0E0D0C0B0A0908 };
            byte[]  goodResult =
            {
                0xA6, 0x65, 0x4D, 0xDB, 0xD7, 0x3C, 0xC3, 0xB0, 0x5D, 0xD7, 0x77, 0x10, 0x5A, 0xA8, 0x49, 0xBC,
                0xE4, 0x93, 0x72, 0xEA, 0xAF, 0xFC, 0x55, 0x68, 0xD2, 0x54, 0x77, 0x1B, 0xAB, 0x85, 0x53, 0x1C,
                0x94, 0xF7, 0x80, 0xE7, 0xFF, 0xAA, 0xE4, 0x30, 0xD5, 0xD8, 0xAF, 0x8C, 0x70, 0xEE, 0xBB, 0xE1,
                0x76, 0x0F, 0x3B, 0x42, 0xB7, 0x37, 0xA8, 0x9C, 0xB3, 0x63, 0x49, 0x0D, 0x67, 0x03, 0x14, 0xBD,
                0x8A, 0xA4, 0x1E, 0xE6, 0x3C, 0x2E, 0x1F, 0x45, 0xFB, 0xD4, 0x77, 0x92, 0x2F, 0x83, 0x60, 0xB3,
                0x88, 0xD6, 0x12, 0x5E, 0xA6, 0xC7, 0xAF, 0x0A, 0xD7, 0x05, 0x6D, 0x01, 0x79, 0x6E, 0x90, 0xC8,
                0x33, 0x13, 0xF4, 0x15, 0x0A, 0x57, 0x16, 0xB3, 0x0E, 0xD5, 0xF5, 0x69, 0x28, 0x8A, 0xE9, 0x74,
                0xCE, 0x2B, 0x43, 0x47, 0x92, 0x6F, 0xCE, 0x57, 0xDE, 0x44, 0x51, 0x21, 0x77, 0xDD, 0x7C, 0xDE
            };
            var thf = new Threefish {
                KeySize   = 1024,
                BlockSize = 1024,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #8
0
        public void TestThreefish256EcbIso10126Stream()
        {
            var inputBytes = Input388Dt;

            byte[] key = Key256Di;
            var    thf = new Threefish {
                BlockSize = 256,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.ISO10126
            };
            var enc = thf.CreateEncryptor();

            byte[] encBytes;
            long   encByteCount;

            using (var cipherMs = new MemoryStream())
            {
                using (var cs = new CryptoStream(cipherMs, enc, CryptoStreamMode.Write))
                {
                    cs.Write(inputBytes, 0, inputBytes.Length);
                    cs.FlushFinalBlock();
                    encBytes     = cipherMs.GetBuffer();
                    encByteCount = cipherMs.Length;
                }
            }
            var dec   = thf.CreateDecryptor();
            var decMs = new MemoryStream();
            var buf   = new byte[4096];

            byte[] decBytes;
            long   decByteCount;

            using (var cipherMs = new MemoryStream(encBytes, 0, (int)encByteCount))
            {
                using (var cs = new CryptoStream(cipherMs, dec, CryptoStreamMode.Read))
                {
                    for (int r; (r = cs.Read(buf, 0, buf.Length)) > 0;)
                    {
                        decMs.Write(buf, 0, r);
                    }
                    decBytes     = decMs.GetBuffer();
                    decByteCount = decMs.Length;
                }
            }
            Array.Resize(ref decBytes, (int)decByteCount);
            Assert.AreEqual(inputBytes, decBytes);
        }
Exemple #9
0
        public void TestThreefish1024Cbc()
        {
            byte[] input = Input1024DiX2;
            byte[] key   = Key1024Di;
            var    thf   = new Threefish {
                BlockSize = 1024,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.CBC,
                Padding   = PaddingMode.None
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(input, decipher);
        }
Exemple #10
0
        public void TestThreefish1024EcbPkcs7()
        {
            // remove 16 trailing bytes to test padding
            byte[] input = Input896Di;
            byte[] key   = Key1024Di;
            var    thf   = new Threefish {
                BlockSize = 1024,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.PKCS7
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(input, decipher);
        }
Exemple #11
0
        public void TestThreefish256EcbPkcs7Inp256()
        {
            byte[] input = Input256Di;
            byte[] key   = Key256Di;
            var    thf   = new Threefish
            {
                BlockSize = 256,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.PKCS7
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(input, decipher);
        }
Exemple #12
0
        public void TestThreefish512Nist01()
        {
            byte[] key =
            {
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
                0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
                0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
                0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F
            };
            byte[] input =
            {
                0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, 0xF0,
                0xEF, 0xEE, 0xED, 0xEC, 0xEB, 0xEA, 0xE9, 0xE8, 0xE7, 0xE6, 0xE5, 0xE4, 0xE3, 0xE2, 0xE1, 0xE0,
                0xDF, 0xDE, 0xDD, 0xDC, 0xDB, 0xDA, 0xD9, 0xD8, 0xD7, 0xD6, 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xD0,
                0xCF, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, 0xC9, 0xC8, 0xC7, 0xC6, 0xC5, 0xC4, 0xC3, 0xC2, 0xC1, 0xC0
            };
            ulong[] tweak      = { 0x0706050403020100, 0x0F0E0D0C0B0A0908 };
            byte[]  goodResult =
            {
                0xE3, 0x04, 0x43, 0x96, 0x26, 0xD4, 0x5A, 0x2C, 0xB4, 0x01, 0xCA, 0xD8, 0xD6, 0x36, 0x24, 0x9A,
                0x63, 0x38, 0x33, 0x0E, 0xB0, 0x6D, 0x45, 0xDD, 0x8B, 0x36, 0xB9, 0x0E, 0x97, 0x25, 0x47, 0x79,
                0x27, 0x2A, 0x0A, 0x8D, 0x99, 0x46, 0x35, 0x04, 0x78, 0x44, 0x20, 0xEA, 0x18, 0xC9, 0xA7, 0x25,
                0xAF, 0x11, 0xDF, 0xFE, 0xA1, 0x01, 0x62, 0x34, 0x89, 0x27, 0x67, 0x3D, 0x5C, 0x1C, 0xAF, 0x3D
            };
            var thf = new Threefish {
                KeySize   = 512,
                BlockSize = 512,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #13
0
        public void TestThreefish256Nist00()
        {
            byte[]  key        = Key256Dz;
            byte[]  input      = Input256Dz;
            ulong[] tweak      = { 0, 0 };
            byte[]  goodResult =
            {
                0x84, 0xDA, 0x2A, 0x1F, 0x8B, 0xEA, 0xEE, 0x94, 0x70, 0x66, 0xAE, 0x3E, 0x31, 0x03, 0xF1, 0xAD,
                0x53, 0x6D, 0xB1, 0xF4, 0xA1, 0x19, 0x24, 0x95, 0x11, 0x6B, 0x9F, 0x3C, 0xE6, 0x13, 0x3F, 0xD8
            };
            var thf = new Threefish {
                KeySize   = 256,
                BlockSize = 256,
                Key       = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };

            thf.SetTweak(tweak);
            var enc    = thf.CreateEncryptor();
            var result = enc.TransformFinalBlock(input, 0, input.Length);

            Assert.AreEqual(goodResult, result);
        }
Exemple #14
0
        public void TestThreefish256Ecb()
        {
            byte[] input      = Input256Di;
            byte[] key        = Key256Di;
            byte[] goodCipher =
            {
                0xe7, 0xfe, 0x5b, 0x77, 0x7f, 0xdb, 0xea, 0x68, 0x7e, 0x68, 0x7e, 0x83, 0x72, 0xcf, 0xdd, 0xfa,
                0x4e, 0xbd, 0x57, 0x4f, 0x47, 0xd4, 0x2d, 0x8c, 0x07, 0xe9, 0xf7, 0xf6, 0x1a, 0x0c, 0x13, 0x7a
            };
            var thf = new Threefish {
                BlockSize = 256,
                Key       = key,
                IV        = key,
                Mode      = CipherMode.ECB,
                Padding   = PaddingMode.None
            };
            var enc      = thf.CreateEncryptor();
            var dec      = thf.CreateDecryptor();
            var cipher   = enc.TransformFinalBlock(input, 0, input.Length);
            var decipher = dec.TransformFinalBlock(cipher, 0, cipher.Length);

            Assert.AreEqual(goodCipher, cipher);
            Assert.AreEqual(input, decipher);
        }