public ulong[] Encrypt(ulong[] plainText, ulong[] chipherKey)
{
int round = 0;
ulong[] state = new ulong[Nb];
ulong[][] roundKeys = KalynaTransformation.KeyExpansion(chipherKey, ref state, Nb, Nk, Nr);
Array.Copy(plainText, state, Nb);
KalynaTransformation.AddRoundKey(roundKeys[round], state);
for (round = 1; round < Nr; ++round)
{
KalynaTransformation.EncipherRound(ref state);
KalynaTransformation.XorRoundKey(roundKeys[round], state);
}
KalynaTransformation.EncipherRound(ref state);
KalynaTransformation.AddRoundKey(roundKeys[Nr], state);
return(state);
}
public ulong[] Decrypt(ulong[] chipherText, ulong[] chipherKey)
{
uint round = Nr;
ulong[] state = new ulong[Nb];
ulong[][] roundKeys = KalynaTransformation.KeyExpansion(chipherKey, ref state, Nb, Nk, Nr);
Array.Copy(chipherText, state, Nb);
KalynaTransformation.SubRoundKey(roundKeys[round], state);
for (round = Nr - 1; round > 0; --round)
{
KalynaTransformation.DecipherRound(ref state);
KalynaTransformation.XorRoundKey(roundKeys[round], state);
}
KalynaTransformation.DecipherRound(ref state);
KalynaTransformation.SubRoundKey(roundKeys[0], state);
return(state);
}