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);
}
private static bool checkDuplexByHash(SHA3 sha3)
{
byte[] keyAndMessage = new byte[72 * 8 - 1];
var rnd = new Random(98732796);
for (int i = 0; i < 64; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
keyAndMessage[64] = 0x01;
keyAndMessage[71] = 0x80;
for (int i = 72; i < keyAndMessage.Length; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
byte[] hash = sha3.getHash512(keyAndMessage);
byte[] gamma = sha3.getDuplex(keyAndMessage);
bool errorFlag = false;
for (int i = 0; i < hash.Length; i++)
{
if (hash[i] != gamma[gamma.Length - 72 + i])
{
errorFlag = true;
}
}
if (errorFlag)
{
Console.WriteLine("Duplex and hash unequal, duplex is incorrect");
}
else
{
Console.WriteLine("Well. Duplex and hash equal, duplex is correct.");
}
return(!errorFlag);
}
private static bool checkGammaByHash(SHA3 sha3)
{
byte[] keyAndMessage = new byte[72 * 8 - 1];
byte[] key = new byte[64];
byte[] message = new byte[72 * 7 - 1];
var rnd = new Random(98732796);
for (int i = 0; i < 64; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
keyAndMessage[64] = 0x01;
keyAndMessage[71] = 0x80;
for (int i = 72; i < keyAndMessage.Length; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
rnd = new Random(98732796);
for (int i = 0; i < 64; i++)
{
key[i] = (byte)rnd.Next(0, 255);
}
for (int i = 0; i < message.Length; i++)
{
message[i] = (byte)rnd.Next(0, 255);
}
byte[] hash = sha3.getHash512(keyAndMessage);
sha3.prepareGamma(key, message);
byte[] gamma = sha3.getGamma(64, true);
bool errorFlag = false;
for (int i = 0; i < hash.Length; i++)
{
if (hash[i] != gamma[i])
{
errorFlag = true;
}
}
if (hash.Length != gamma.Length)
{
errorFlag = true;
}
if (errorFlag)
{
Console.WriteLine("Gamma and hash unequal, gamma is incorrect");
}
else
{
Console.WriteLine("Well. Gamma and hash equal, gamma is correct.");
}
return(!errorFlag);
}
