override public BitArray getKey(int length, double seed)
        {
            BitArray result = new BitArray(length);
            double p = 71;
            double g = 7;
            double sp = 3;
            for(int i = 0; i < length; i++)
            {
                seed = Math.Pow(g, seed) % p;
                if (seed <= sp) result[i] = true;
                else result[i] = false;
            }
            return result;
        }