public void Test_Performance()
{
int dataLen = 4 * 1024;
var data = new byte[dataLen];
var random = new Random();
random.NextBytes(data);
//
var keys = new byte[]
{
0xA3, 0x45, 0x34, 0x68, 0x98, 0x01, 0x2A, 0xBF,
0xCD, 0xBE, 0x34, 0x56, 0x78, 0xBF, 0xEA, 0x32,
0x12, 0xAE, 0x34, 0x21, 0x45, 0x78, 0x98, 0x50
};
var macCalc = new TrippleDesMacCalculator(keys);
//
var sw = new Stopwatch();
sw.Start();
int count = 100;
for (int i = 0; i < count; i++)
{
macCalc.CalcMac(data);
}
sw.Stop();
//
Console.WriteLine(string.Format("计算{0}次MAC（数据长度{1}）使用时间={2}毫秒。", count, dataLen, sw.ElapsedMilliseconds));
}
public void Test2()
{
var keys = new byte[]
{
0xA3, 0x45, 0x34, 0x68, 0x98, 0x01, 0x2A, 0xBF,
0xCD, 0xBE, 0x34, 0x56, 0x78, 0xBF, 0xEA, 0x32,
0x12, 0xAE, 0x34, 0x21, 0x45, 0x78, 0x98, 0x50
};
var macCalc = new TrippleDesMacCalculator(keys);
macCalc.RandomA = new byte[] { 0x1F, 0xD3, 0xA1, 0xCE, 0x7B, 0x87, 0xE9, 0xB0 };
macCalc.RandomB = new byte[] { 0x0F, 0x95, 0xEF, 0x4A, 0x66, 0x25, 0xA9, 0x0D };
macCalc.UpdateSessionKeys();
var destAddr = new byte[] { 0x8a, 0xc0, 0x02 };
var text2 = new byte[] { 0x00, 0x1B /*L*/, 0x8a, 0xc0, 0x02 /*DA*/, 0xc5 /*ETY+MTI+DF*/, 0x8a, 0xc0, 0x01 /*SA*/, 01 /*SaF*/ };
var data = text2.Concat(macCalc.RandomA).Concat(macCalc.RandomB).Concat(destAddr).ToArray(); // Text2|RandA|RandB
var macActual = macCalc.CalcMac(data);
var macExpected = new byte[] { 0xa6, 0x86, 0x33, 0x93, 0xb9, 0x3b, 0x51, 0x0d };
CollectionAssert.AreEqual(macExpected, macActual);
}
public void Test4()
{
var keys = new byte[]
{
0xA3, 0x45, 0x34, 0x68, 0x98, 0x01, 0x2A, 0xBF,
0xCD, 0xBE, 0x34, 0x56, 0x78, 0xBF, 0xEA, 0x32,
0x12, 0xAE, 0x34, 0x21, 0x45, 0x78, 0x98, 0x50
};
var macCalc = new TrippleDesMacCalculator(keys);
macCalc.RandomA = new byte[] { 0x1F, 0xD3, 0xA1, 0xCE, 0x7B, 0x87, 0xE9, 0xB0 };
macCalc.RandomB = new byte[] { 0x0F, 0x95, 0xEF, 0x4A, 0x66, 0x25, 0xA9, 0x0D };
macCalc.UpdateSessionKeys();
var text5 = new byte[] { 0x00, 0x14 /*L*/, 0x8a, 0xc0, 0x01 /*DA*/, 0x06 /*ETY+MTI+DF*/ };
var data = text5.Concat(macCalc.RandomB).Concat(macCalc.RandomA).ToArray(); // Text5|RandB|RandA
var macActual = macCalc.CalcMac(data);
var macExpected = new byte[] { 0x2e, 0x93, 0x89, 0x47, 0x97, 0xec, 0x28, 0x74 };
CollectionAssert.AreEqual(macExpected, macActual);
}
