Exemple #1
0
        static private void ScalarMultiplication64Test()
        {
            byte[] key = new byte[32];

            for (int i = 0; i < 32; i++)
            {
                key[i] = 42;
            }

            byte[] result = new byte[32];

            const int iterations = 100;

            // load the caches
            for (int i = 0; i < 100; i++)
            {
                ScalarMultiplication64.MultiplyBase(result, key);
            }

            Stopwatch stopwatch = Stopwatch.StartNew();

            for (int i = 0; i < iterations; i++)
            {
                ScalarMultiplication64.MultiplyBase(result, key);
            }

            stopwatch.Stop();

            PrintPerformance("ScalarMult64", stopwatch.ElapsedMilliseconds, iterations);
        }
        public void MultiplyBase1()
        {
            byte[] alicesk = new byte[] {
                0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d
                , 0x3c, 0x16, 0xc1, 0x72, 0x51, 0xb2, 0x66, 0x45
                , 0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0, 0x99, 0x2a
                , 0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a
            };

            byte[] alicepk = new byte[32];

            ScalarMultiplication64.MultiplyBase(alicepk, alicesk);

            Assert.IsTrue(Enumerable.SequenceEqual(alicepk, new byte[]
            {
                0x85, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54
                , 0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a
                , 0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4
                , 0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0x6a
            }));
        }
        public void MultiplyBase2()
        {
            byte[] bobsk =
            {
                0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a,     0x4b
                ,     0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6
                ,     0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd
                ,     0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb
            };

            byte[] bobpk = new byte[32];

            ScalarMultiplication64.MultiplyBase(bobpk, bobsk);

            Assert.IsTrue(Enumerable.SequenceEqual(bobpk, new byte[]
            {
                0xde, 0x9e, 0xdb, 0x7d, 0x7b, 0x7d, 0xc1, 0xb4
                , 0xd3, 0x5b, 0x61, 0xc2, 0xec, 0xe4, 0x35, 0x37
                , 0x3f, 0x83, 0x43, 0xc8, 0x5b, 0x78, 0x67, 0x4d
                , 0xad, 0xfc, 0x7e, 0x14, 0x6f, 0x88, 0x2b, 0x4f
            }));
        }