public void Init(uint version)
{
int[] shuffle = new int[256];
for (int i = 0; i < shuffle.Length; i++)
{
shuffle[i] = i;
}
Rand32 rand32 = new Rand32((uint)Math.Pow(version, 2));
Shuffle(shuffle, rand32);
// Shuffle the table of bytes
for (int i = 0; i < shuffle.Length; i++)
{
encrypted[i] = (byte)(shuffle[i] & 0xFF);
decrypted[encrypted[i] & 0xFF] = (byte)(i & 0xFF);
}
}
private void Shuffle(int[] data, Rand32 rand32)
{
int len = data.Length - 1;
while (len >= 1)
{
uint rand = (uint)(rand32.Random() % (len + 1));
if (len != rand)
{
if (rand >= data.Length || len >= data.Length)
{
return;
}
int val = data[len];
data[len] = data[rand];
data[rand] = val;
}
--len;
}
}
