Org.BouncyCastle.Crypto.Engines.VmpcEngine.InitKey C# (CSharp) Метод

        protected virtual void InitKey(
            byte[]	keyBytes,
            byte[]	ivBytes)
        {
            s = 0;
            P = new byte[256];
            for (int i = 0; i < 256; i++)
            {
                P[i] = (byte) i;
            }

            for (int m = 0; m < 768; m++)
            {
                s = P[(s + P[m & 0xff] + keyBytes[m % keyBytes.Length]) & 0xff];
                byte temp = P[m & 0xff];
                P[m & 0xff] = P[s & 0xff];
                P[s & 0xff] = temp;
            }
            for (int m = 0; m < 768; m++)
            {
                s = P[(s + P[m & 0xff] + ivBytes[m % ivBytes.Length]) & 0xff];
                byte temp = P[m & 0xff];
                P[m & 0xff] = P[s & 0xff];
                P[s & 0xff] = temp;
            }
            n = 0;
        }