private void IdeaFunc(
int[] workingKey,
byte[] input,
int inOff,
byte[] outBytes,
int outOff)
{
int x0, x1, x2, x3, t0, t1;
int keyOff = 0;
x0 = BytesToWord(input, inOff);
x1 = BytesToWord(input, inOff + 2);
x2 = BytesToWord(input, inOff + 4);
x3 = BytesToWord(input, inOff + 6);
for (int round = 0; round < 8; round++)
{
x0 = Mul(x0, workingKey[keyOff++]);
x1 += workingKey[keyOff++];
x1 &= MASK;
x2 += workingKey[keyOff++];
x2 &= MASK;
x3 = Mul(x3, workingKey[keyOff++]);
t0 = x1;
t1 = x2;
x2 ^= x0;
x1 ^= x3;
x2 = Mul(x2, workingKey[keyOff++]);
x1 += x2;
x1 &= MASK;
x1 = Mul(x1, workingKey[keyOff++]);
x2 += x1;
x2 &= MASK;
x0 ^= x1;
x3 ^= x2;
x1 ^= t1;
x2 ^= t0;
}
WordToBytes(Mul(x0, workingKey[keyOff++]), outBytes, outOff);
WordToBytes(x2 + workingKey[keyOff++], outBytes, outOff + 2); /* NB: Order */
WordToBytes(x1 + workingKey[keyOff++], outBytes, outOff + 4);
WordToBytes(Mul(x3, workingKey[keyOff]), outBytes, outOff + 6);
}
/**
