private static bool checkDuplexModByHash(SHA3 sha3)
{
byte[] m1 = new byte[72 * 8 - 1];
byte[] m2 = new byte[72 * 8 - 1];
byte[] m = new byte[m1.Length + m2.Length + 1];
var rnd = new Random(98732796);
for (int i = 0; i < m.Length; i++)
{
if (m.Length - i == 72)
{
m[i] = 0x81;
}
else
{
m[i] = (byte)rnd.Next(0, 255);
}
}
rnd = new Random(98732796);
for (int i = 0, j = 0, k = 0; i < m.Length - 1; i++)
{
if (i % 144 >= 72 || k >= m2.Length)
{
m1[j++] = (byte)rnd.Next(0, 255);
}
else
{
m2[k++] = (byte)rnd.Next(0, 255);
}
}
byte[] hash = sha3.getHash512(m);
byte[] gamma = sha3.getDuplexMod(m1, m2);
byte[] tmp = new byte[64];
BytesBuilder.CopyTo(gamma, tmp, 0, -1, 72 * 7);
bool errorFlag = false;
for (int i = 0; i < hash.Length; i++)
{
if (hash[i] != tmp[i])
{
errorFlag = true;
}
}
if (errorFlag)
{
Console.WriteLine("DuplexMod and hash unequal, duplexMod is incorrect");
}
else
{
Console.WriteLine("Well. DuplexMod and hash equal, duplexMod is correct.");
}
return(!errorFlag);
}
public override void ProcessCryptoVariant(long variant)
{
SHA3 gs1 = new SHA3(0);
SHA3 gs2 = new SHA3(0);
var key = prepareKey(variant);
var s = prepareOIV(variant);
var bt = Convert.FromBase64String("GL4C/c+hpZrVQcIg771ujdjHN/2Jqoj+UpS6cZ5fbG7zU1qwXMMg5P3YgnLY9byB1laMMu557wK1J7EewmkKJ0wPjA8u3uVO7oOhmtVSc6rnGMCaTrRHtLVLv9a9dBFnNxGjxbCLOcaGkZZYeBT1KUraXh/5reXVQmedmkijKvEwJ4d3CPSMUoPGca+lv7I=");
var g1 = gs1.getDuplex(bt);
var g2 = gs2.getDuplex(key);
g1 = gs1.getDuplex(g2, true);
g2 = gs2.getDuplex(g1, true);
g1 = gs1.getDuplex(g2, true);
g2 = gs2.getDuplex(g1, true);
g1 = gs1.getDuplex(g2, true);
g2 = gs2.getDuplex(g1, true);
g1 = gs1.getDuplex(g2, true);
g2 = gs2.getDuplex(g1, true);
g1 = gs1.getDuplex(g2, true);
g2 = gs2.getDuplex(g1, true);
var gamma = gs1.getDuplexMod(g1, g2);
if (gamma[0] == 1)
{
if ((variant & 1) > 0)
{
c1f++;
}
else
{
c1t++;
}
}
calcResult(gamma, variant, key);
}
private static void duplexModTest(ref int errorFlag)
{
var keccak = new SHA3(0);
byte[] a, b, c, e;
a = new byte[72 * 3];
b = new byte[72 * 3];
e = keccak.getDuplexMod(a, b);
c = keccak.getDuplexMod(a, b);
if (!BytesBuilder.Compare(c, e))
{
goto error;
}
c = keccak.getDuplexMod(a, b, true);
if (e[0] == c[0])
{
goto error;
}
b[b.Length - 1] = 1;
c = keccak.getDuplexMod(a, b);
int i;
BytesBuilder.Compare(c, e, out i);
if (i != 72 * 2)
{
goto error;
}
b[b.Length - 1] = 0;
b[b.Length - 72] = 1;
c = keccak.getDuplexMod(a, b);
BytesBuilder.Compare(c, e, out i);
if (i != 72 * 2)
{
goto error;
}
b[b.Length - 72] = 0;
b[b.Length - 144] = 1;
c = keccak.getDuplexMod(a, b);
BytesBuilder.Compare(c, e, out i);
if (i != 72 || e[72 * 2] == c[72 * 2])
{
goto error;
}
b[b.Length - 144] = 0;
b[b.Length - 145] = 1;
c = keccak.getDuplexMod(a, b);
BytesBuilder.Compare(c, e, out i);
if (i != 0 || e[72 * 2] == c[72 * 2] || e[72] == c[72])
{
goto error;
}
b[b.Length - 145] = 0;
b[0] = 1;
c = keccak.getDuplexMod(a, b);
BytesBuilder.Compare(c, e, out i);
if (i != 0 || e[72 * 2] == c[72 * 2] || e[72] == c[72])
{
goto error;
}
return;
error:
Interlocked.Increment(ref errorFlag);
Console.WriteLine("duplexModTest is incorrect");
}