protected void PrepareKey(byte[] pass)
{
rnd = SteganographyProvider.PrepareISAAC(pass);
for (int i = 0, isaac = 0; i < key.Length; i++, isaac++)
{
if (isaac >= ISAAC.SIZE)
{
isaac = 0;
rnd.Isaac();
}
key[i] = (byte)(key[i] ^ rnd.rsl[isaac]);
}
}
protected static ISAAC PrepareISAAC(byte[] seed)
{
ISAAC rnd = new ISAAC();
rnd.Isaac();
for (int i = 0; i < ISAAC.SIZE; i++)
{
rnd.mem[i] ^= seed[i % seed.Length];
}
for (int i = 0; i < 3; i++)
{
rnd.Isaac();
}
return(rnd);
}