Example #1
0
        public void SaveLoadUIntNET()
        {
            using (MemoryStream stream = new MemoryStream())
            {
                var value  = new BigUInt();
                var value2 = new BigUInt("100");
                stream.Seek(0, SeekOrigin.Begin);
                value.Save(stream);
                stream.Seek(0, SeekOrigin.Begin);
                value2.Load(stream);
                Assert.AreEqual(value, value2);

                value.Set("123");
                stream.Seek(0, SeekOrigin.Begin);
                value.Save(stream);
                stream.Seek(0, SeekOrigin.Begin);
                value2.Load(stream);
                Assert.AreEqual(value, value2);

                value.Set("FFFFFFFFFFFFFFFFFFFFFFFFFF");
                stream.Seek(0, SeekOrigin.Begin);
                value.Save(stream);
                stream.Seek(0, SeekOrigin.Begin);
                value2.Load(stream);
                Assert.AreEqual(value, value2);

                value.Set("0");
                stream.Seek(0, SeekOrigin.Begin);
                value.Save(stream);
                stream.Seek(0, SeekOrigin.Begin);
                value2.Load(stream);
                Assert.AreEqual(value, value2);
            }
        }
Example #2
0
        public void ExponentiateBigUIntModNET()
        {
            var myUInt   = new BigUInt("ABABABAB");
            var modulus  = new BigUInt("CAACAACAA");
            var exponent = new BigUInt("5");
            var result   = Utilities.ExponentiateUIntMod(myUInt, exponent, modulus);

            Assert.AreEqual("33773505765", result.ToDecimalString());

            myUInt.Set("1");
            exponent.Set("F00F00F00F00F00");
            result = Utilities.ExponentiateUIntMod(myUInt, exponent, modulus);
            Assert.AreEqual("1", result.ToDecimalString());

            modulus.Set("AAAAAAAAAAAAAAAAAAAAA");
            myUInt.Set("F00F00F00F00F00");
            exponent.Set("1");
            result = Utilities.ExponentiateUIntMod(myUInt, exponent, modulus);
            Assert.AreEqual("F00F00F00F00F00", result.ToString());

            myUInt.Set("F00F00F00F00F00");
            exponent.Set("0");
            result = Utilities.ExponentiateUIntMod(myUInt, exponent, modulus);
            Assert.AreEqual("1", result.ToString());
        }
Example #3
0
        public void BigPolyEvalUIntModNET()
        {
            var modulus = new BigUInt("5");
            var poly    = new BigPoly("1x^2 + 1x^1 + 1");
            var value   = new BigUInt("0");
            var result  = Utilities.PolyEvalUIntMod(poly, value, modulus);

            Assert.AreEqual("1", result.ToString());

            value.Set("1");
            result = Utilities.PolyEvalUIntMod(poly, value, modulus);
            Assert.AreEqual("3", result.ToString());

            value.Set("4");
            result = Utilities.PolyEvalUIntMod(poly, value, modulus);
            Assert.AreEqual("1", result.ToString());
        }
Example #4
0
        public void ExponentiatePolyPolyPolyModCoeffModNET()
        {
            var poly     = new BigPoly("1x^2 + 2x^1 + 3");
            var modulus  = new BigUInt("5");
            var exponent = new BigUInt("1");
            var polymod  = new BigPoly("1x^3 + 3x^1 + 1");
            var result   = Utilities.ExponentiatePolyPolymodCoeffmod(poly, exponent, polymod, modulus);

            Assert.AreEqual("1x^2 + 2x^1 + 3", result.ToString());
            exponent.Set("2");
            result = Utilities.ExponentiatePolyPolymodCoeffmod(poly, exponent, polymod, modulus);
            Assert.AreEqual("2x^2 + 4x^1", result.ToString());

            poly.Set("1");
            exponent.Set("2");
            result = Utilities.ExponentiatePolyPolymodCoeffmod(poly, exponent, polymod, modulus);
            Assert.AreEqual("1", result.ToString());
            exponent.Set("F00F000F00");
            result = Utilities.ExponentiatePolyPolymodCoeffmod(poly, exponent, polymod, modulus);
            Assert.AreEqual("1", result.ToString());
        }
Example #5
0
        public void BigUInt99BitsNET()
        {
            var biguint = new BigUInt(99);

            Assert.AreEqual(99, biguint.BitCount);
            Assert.IsTrue(biguint.UInt64Count != 0ul);
            Assert.AreEqual(13ul, biguint.ByteCount);
            Assert.AreEqual(2ul, biguint.UInt64Count);
            Assert.AreEqual(0, biguint.GetSignificantBitCount());
            Assert.AreEqual("0", biguint.ToString());
            Assert.IsTrue(biguint.IsZero);
            Assert.AreEqual(0UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));
            Assert.AreEqual(0, biguint[0]);
            Assert.AreEqual(0, biguint[1]);
            Assert.AreEqual(0, biguint[2]);
            Assert.AreEqual(0, biguint[3]);
            Assert.AreEqual(0, biguint[4]);
            Assert.AreEqual(0, biguint[5]);
            Assert.AreEqual(0, biguint[6]);
            Assert.AreEqual(0, biguint[7]);
            Assert.AreEqual(0, biguint[8]);
            Assert.AreEqual(0, biguint[9]);
            Assert.AreEqual(0, biguint[10]);
            Assert.AreEqual(0, biguint[11]);
            Assert.AreEqual(0, biguint[12]);

            biguint.Set(1);
            Assert.AreEqual(1, biguint.GetSignificantBitCount());
            Assert.AreEqual("1", biguint.ToString());
            Assert.IsFalse(biguint.IsZero);
            Assert.AreEqual(13ul, biguint.ByteCount);
            Assert.AreEqual(2ul, biguint.UInt64Count);
            Assert.AreEqual(1UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));
            Assert.AreEqual(1, biguint[0]);
            Assert.AreEqual(0, biguint[1]);
            Assert.AreEqual(0, biguint[2]);
            Assert.AreEqual(0, biguint[3]);
            Assert.AreEqual(0, biguint[4]);
            Assert.AreEqual(0, biguint[5]);
            Assert.AreEqual(0, biguint[6]);
            Assert.AreEqual(0, biguint[7]);
            Assert.AreEqual(0, biguint[8]);
            Assert.AreEqual(0, biguint[9]);
            Assert.AreEqual(0, biguint[10]);
            Assert.AreEqual(0, biguint[11]);
            Assert.AreEqual(0, biguint[12]);
            biguint.SetZero();
            Assert.IsTrue(biguint.IsZero);
            Assert.AreEqual(0UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));

            biguint.Set("7FFFFFFFFFFFFFFFFFFFFFFFF");
            Assert.AreEqual(99, biguint.GetSignificantBitCount());
            Assert.AreEqual("7FFFFFFFFFFFFFFFFFFFFFFFF", biguint.ToString());
            Assert.IsFalse(biguint.IsZero);
            Assert.AreEqual(0xFFFFFFFFFFFFFFFFUL, biguint.Data(0));
            Assert.AreEqual(0x7FFFFFFFFUL, biguint.Data(1));
            Assert.AreEqual(0xFF, biguint[0]);
            Assert.AreEqual(0xFF, biguint[1]);
            Assert.AreEqual(0xFF, biguint[2]);
            Assert.AreEqual(0xFF, biguint[3]);
            Assert.AreEqual(0xFF, biguint[4]);
            Assert.AreEqual(0xFF, biguint[5]);
            Assert.AreEqual(0xFF, biguint[6]);
            Assert.AreEqual(0xFF, biguint[7]);
            Assert.AreEqual(0xFF, biguint[8]);
            Assert.AreEqual(0xFF, biguint[9]);
            Assert.AreEqual(0xFF, biguint[10]);
            Assert.AreEqual(0xFF, biguint[11]);
            Assert.AreEqual(0x07, biguint[12]);
            biguint.SetZero();
            Assert.IsTrue(biguint.IsZero);
            Assert.AreEqual(0UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));

            biguint.Set("4000000000000000000000000");
            Assert.AreEqual(99, biguint.GetSignificantBitCount());
            Assert.AreEqual("4000000000000000000000000", biguint.ToString());
            Assert.IsFalse(biguint.IsZero);
            Assert.AreEqual(0UL, biguint.Data(0));
            Assert.AreEqual(0x400000000UL, biguint.Data(1));
            Assert.AreEqual(0, biguint[0]);
            Assert.AreEqual(0, biguint[1]);
            Assert.AreEqual(0, biguint[2]);
            Assert.AreEqual(0, biguint[3]);
            Assert.AreEqual(0, biguint[4]);
            Assert.AreEqual(0, biguint[5]);
            Assert.AreEqual(0, biguint[6]);
            Assert.AreEqual(0, biguint[7]);
            Assert.AreEqual(0, biguint[8]);
            Assert.AreEqual(0, biguint[9]);
            Assert.AreEqual(0, biguint[10]);
            Assert.AreEqual(0, biguint[11]);
            Assert.AreEqual(0x04, biguint[12]);

            biguint.Set(0x8001);
            Assert.AreEqual(16, biguint.GetSignificantBitCount());
            Assert.AreEqual("8001", biguint.ToString());
            Assert.IsFalse(biguint.IsZero);
            Assert.AreEqual(0x8001UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));
            Assert.AreEqual(0x01, biguint[0]);
            Assert.AreEqual(0x80, biguint[1]);
            Assert.AreEqual(0, biguint[2]);
            Assert.AreEqual(0, biguint[3]);
            Assert.AreEqual(0, biguint[4]);
            Assert.AreEqual(0, biguint[5]);
            Assert.AreEqual(0, biguint[6]);
            Assert.AreEqual(0, biguint[7]);
            Assert.AreEqual(0, biguint[8]);
            Assert.AreEqual(0, biguint[9]);
            Assert.AreEqual(0, biguint[10]);
            Assert.AreEqual(0, biguint[11]);
            Assert.AreEqual(0, biguint[12]);

            var biguint2 = new BigUInt("123");

            Assert.IsFalse(biguint.Equals(biguint2));
            Assert.IsFalse(biguint2.Equals(biguint));
            Assert.AreNotEqual(biguint.GetHashCode(), biguint2.GetHashCode());

            biguint.Set(biguint2);
            Assert.IsTrue(biguint.Equals(biguint2));
            Assert.IsTrue(biguint2.Equals(biguint));
            Assert.AreEqual(biguint.GetHashCode(), biguint2.GetHashCode());
            Assert.AreEqual(9, biguint.GetSignificantBitCount());
            Assert.AreEqual("123", biguint.ToString());
            Assert.AreEqual(0x123UL, biguint.Data(0));
            Assert.AreEqual(0UL, biguint.Data(1));
            Assert.AreEqual(0x23, biguint[0]);
            Assert.AreEqual(0x01, biguint[1]);
            Assert.AreEqual(0, biguint[2]);
            Assert.AreEqual(0, biguint[3]);
            Assert.AreEqual(0, biguint[4]);
            Assert.AreEqual(0, biguint[5]);
            Assert.AreEqual(0, biguint[6]);
            Assert.AreEqual(0, biguint[7]);
            Assert.AreEqual(0, biguint[8]);
            Assert.AreEqual(0, biguint[9]);
            Assert.AreEqual(0, biguint[10]);
            Assert.AreEqual(0, biguint[11]);
            Assert.AreEqual(0, biguint[12]);

            biguint.Resize(8);
            Assert.AreEqual(8, biguint.BitCount);
            Assert.AreEqual(1ul, biguint.UInt64Count);
            Assert.AreEqual("23", biguint.ToString());

            biguint.Resize(100);
            Assert.AreEqual(100, biguint.BitCount);
            Assert.AreEqual(2ul, biguint.UInt64Count);
            Assert.AreEqual("23", biguint.ToString());

            biguint.Resize(0);
            Assert.AreEqual(0, biguint.BitCount);
            Assert.AreEqual(0ul, biguint.UInt64Count);
            Assert.IsTrue(biguint.UInt64Count == 0);
        }