Org.BouncyCastle.Crypto.Digests.Sha3Digest.Theta C# (CSharp) Méthode

        private void Theta(ulong[] A)
        {
            for (int x = 0; x < 5; x++)
            {
                C[x] = 0;
                for (int y = 0; y < 5; y++)
                {
                    C[x] ^= A[x + 5 * y];
                }
            }
            for (int x = 0; x < 5; x++)
            {
                ulong dX = ((((C[(x + 1) % 5]) << 1) ^ ((C[(x + 1) % 5]) >> (64 - 1)))) ^ C[(x + 4) % 5];
                for (int y = 0; y < 5; y++)
                {
                    A[x + 5 * y] ^= dX;
                }
            }
        }