private void longBlockTest()
{
byte[] data = new byte[16000];
byte[] res = new byte[64];
for (int i = 0; i != data.Length; i++)
{
data[i] = (byte)i;
}
for (int i = 10000; i != data.Length; i++)
{
KMac kmac_ = new KMac(128, Arrays.CopyOfRange(data, 0, i));
kmac_.Init(new KeyParameter(new byte[0]));
kmac_.BlockUpdate(Hex.Decode("00010203"), 0, 4);
kmac_.DoFinal(res, 0);
}
KMac kmac = new KMac(256, new byte[200]);
kmac.Init(new KeyParameter(new byte[0]));
kmac.BlockUpdate(Arrays.CopyOfRange(data, 0, 200), 0, 200);
kmac.DoFinal(res, 0);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("f9476d9b3e42bf23307af5ccb5287fd6f033b23c400566a2ebc5829bd119aa545cd9b6bde76ef61cd31c3c0f0aaf0945f44481e863b19e9c26fb46c8b2a8a9bb"), res), Hex.ToHexString(res));
}
public byte[] CalculateKMAC(IEnumerable <byte> data, int outputLength)
{
var mac = new KMac(KmacBitLength, null);
mac.Init(new KeyParameter(internalKey));
var dataArray = data.ToArray();
mac.BlockUpdate(dataArray, 0, dataArray.Length);
var output = new byte[outputLength];
mac.DoFinal(output, 0, outputLength);
return(output);
}
private void doFinalTest()
{
KMac kmac = new KMac(128, Encoding.ASCII.GetBytes("My Tagged Application"));
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
kmac.BlockUpdate(Hex.Decode("00010203"), 0, 4);
byte[] res = new byte[32];
kmac.DoOutput(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("31a44527b4ed9f5c6101d11de6d26f0620aa5c341def41299657fe9df1a3b16c"), res), Hex.ToHexString(res));
kmac.DoOutput(res, 0, res.Length);
Assert.IsTrue(!Arrays.AreEqual(Hex.Decode("31a44527b4ed9f5c6101d11de6d26f0620aa5c341def41299657fe9df1a3b16c"), res));
kmac.DoFinal(res, 0, res.Length);
kmac.BlockUpdate(Hex.Decode("00010203"), 0, 4);
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("3B1FBA963CD8B0B59E8C1A6D71888B7143651AF8BA0A7070C0979E2811324AA5"), res));
kmac.BlockUpdate(Hex.Decode("00010203"), 0, 4);
kmac.DoOutput(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("31a44527b4ed9f5c6101d11de6d26f0620aa5c341def41299657fe9df1a3b16c"), res));
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("ffcb48c7620ccd67d1c83224186892cef2f2a99278d5cfdde10e48bdc89718c2"), res), Hex.ToHexString(res));
}
private void checkKMAC(int bitSize, KMac kmac, byte[] msg)
{
KMac ref_ = new KMac(bitSize, null);
ref_.Init(new KeyParameter(new byte[0]));
kmac.Init(new KeyParameter(new byte[0]));
ref_.BlockUpdate(msg, 0, msg.Length);
kmac.BlockUpdate(msg, 0, msg.Length);
byte[] res1 = new byte[32];
byte[] res2 = new byte[32];
ref_.DoFinal(res1, 0, res1.Length);
kmac.DoFinal(res2, 0, res2.Length);
Assert.IsTrue(Arrays.AreEqual(res1, res2));
}
private void paddingCheckTest()
{
byte[] data = Hex.Decode("01880204187B3E43EDA8D51EC181D37DDE5B17ECCDD8BE84C268DC6C9500700857");
byte[] out_ = new byte[32];
KMac k128 = new KMac(128, new byte[0]);
k128.Init(new KeyParameter(new byte[163]));
k128.BlockUpdate(data, 0, data.Length);
k128.DoOutput(out_, 0, out_.Length);
Assert.IsTrue(Arrays.AreEqual(out_, Hex.Decode("6e6ab56468c7445f81c679f89f45c90a95a9c01afbaab5f7065b7e2e96f7d2bb")), "128 failed");
KMac k256 = new KMac(256, new byte[0]);
k256.Init(new KeyParameter(new byte[131]));
k256.BlockUpdate(data, 0, data.Length);
k256.DoOutput(out_, 0, out_.Length);
Assert.IsTrue(Arrays.AreEqual(out_, Hex.Decode("f6302d4f854b4872e811b37993b6bfe027258089b6a9fbb26a755b1ebfc0d830")), "256 failed");
}
public override void PerformTest()
{
KMac kmac = new KMac(128, new byte[0] {
});
Assert.AreEqual("KMAC128", kmac.AlgorithmName);
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
kmac.BlockUpdate(Hex.Decode("00010203"), 0, 4);
byte[] res = new byte[32];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("E5780B0D3EA6F7D3A429C5706AA43A00FADBD7D49628839E3187243F456EE14E"), res), "oops: " + Hex.ToHexString(res));
kmac = new KMac(128, Encoding.ASCII.GetBytes("My Tagged Application"));
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
kmac.BlockUpdate(Hex.Decode("00010203"), 0, 4);
res = new byte[32];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("3B1FBA963CD8B0B59E8C1A6D71888B7143651AF8BA0A7070C0979E2811324AA5"), res), "oops: " + Hex.ToHexString(res));
kmac = new KMac(128, Encoding.ASCII.GetBytes("My Tagged Application"));
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
byte[] data = Hex.Decode(
"000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1" +
"F202122232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3" +
"E3F404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5" +
"D5E5F606162636465666768696A6B6C6D6E6F707172737475767778797A7B7" +
"C7D7E7F808182838485868788898A8B8C8D8E8F909192939495969798999A9" +
"B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9B" +
"ABBBCBDBEBFC0C1C2C3C4C5C6C7");
kmac.BlockUpdate(data, 0, data.Length);
res = new byte[32];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("1F5B4E6CCA02209E0DCB5CA635B89A15E271ECC760071DFD805FAA38F9729230"), res), "oops:" + Hex.ToHexString(res));
kmac = new KMac(256, Encoding.ASCII.GetBytes("My Tagged Application"));
Assert.AreEqual("KMAC256", kmac.AlgorithmName);
kmac.Init(new KeyParameter(Hex.Decode("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
data = Hex.Decode("00 01 02 03");
kmac.BlockUpdate(data, 0, data.Length);
res = new byte[64];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("20C570C31346F703C9AC36C61C03CB64C3970D0CFC787E9B79599D273A68D2F7F69D4CC3DE9D104A351689F27CF6F5951F0103F33F4F24871024D9C27773A8DD"), res), "oops:" + Hex.ToHexString(res));
kmac = new KMac(256, new byte[] { });
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
data = Hex.Decode(
"000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1" +
"F202122232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3" +
"E3F404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5" +
"D5E5F606162636465666768696A6B6C6D6E6F707172737475767778797A7B7" +
"C7D7E7F808182838485868788898A8B8C8D8E8F909192939495969798999A9" +
"B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9B" +
"ABBBCBDBEBFC0C1C2C3C4C5C6C7");
kmac.BlockUpdate(data, 0, data.Length);
res = new byte[64];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("75358CF39E41494E949707927CEE0AF20A3FF553904C86B08F21CC414BCFD691589D27CF5E15369CBBFF8B9A4C2EB17800855D0235FF635DA82533EC6B759B69"), res), "oops:" + Hex.ToHexString(res));
kmac = new KMac(256, Encoding.ASCII.GetBytes("My Tagged Application"));
kmac.Init(new KeyParameter(Hex.Decode(
"404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F")));
data = Hex.Decode(
"000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1" +
"F202122232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3" +
"E3F404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5" +
"D5E5F606162636465666768696A6B6C6D6E6F707172737475767778797A7B7" +
"C7D7E7F808182838485868788898A8B8C8D8E8F909192939495969798999A9" +
"B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9B" +
"ABBBCBDBEBFC0C1C2C3C4C5C6C7");
kmac.BlockUpdate(data, 0, data.Length);
res = new byte[64];
kmac.DoFinal(res, 0, res.Length);
Assert.IsTrue(Arrays.AreEqual(Hex.Decode("B58618F71F92E1D56C1B8C55DDD7CD188B97B4CA4D99831EB2699A837DA2E4D970FBACFDE50033AEA585F1A2708510C32D07880801BD182898FE476876FC8965"), res), "oops:" + Hex.ToHexString(res));
doFinalTest();
longBlockTest();
paddingCheckTest();
checkKMAC(128, new KMac(128, new byte[0]), Hex.Decode("eeaabeef"));
checkKMAC(256, new KMac(256, null), Hex.Decode("eeaabeef"));
checkKMAC(128, new KMac(128, new byte[0]), Hex.Decode("eeaabeef"));
checkKMAC(128, new KMac(128, null), Hex.Decode("eeaabeef"));
checkKMAC(256, new KMac(256, null), Hex.Decode("eeaabeef"));
}