BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Rfc7748.X25519Field.CMov C# (CSharp) Метод

        public static void CMov(int cond, int[] x, int xOff, int[] z, int zOff)
        {
            Debug.Assert(0 == cond || -1 == cond);

            for (int i = 0; i < Size; ++i)
            {
                int z_i = z[zOff + i], diff = z_i ^ x[xOff + i];
                z_i ^= (diff & cond);
                z[zOff + i] = z_i;
            }
        }