private static int[] generateWorkingKey(byte[] userKey)
{
if (userKey.Length != 32)
{
throw new ArgumentException("Key length invalid. Key needs to be 32 byte - 256 bit!!!");
}
int[] array = new int[8];
for (int num = 0; num != 8; num++)
{
array[num] = Gost28147Mac.bytesToint(userKey, num * 4);
}
return(array);
}
private void gost28147MacFunc(int[] workingKey, byte[] input, int inOff, byte[] output, int outOff)
{
int num = Gost28147Mac.bytesToint(input, inOff);
int num2 = Gost28147Mac.bytesToint(input, inOff + 4);
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 8; j++)
{
int num3 = num;
num = (num2 ^ this.gost28147_mainStep(num, workingKey[j]));
num2 = num3;
}
}
Gost28147Mac.intTobytes(num, output, outOff);
Gost28147Mac.intTobytes(num2, output, outOff + 4);
}
