Org.BouncyCastle.Crypto.Engines.NaccacheSternEngine.Init C# (CSharp) Метод

		public void Init(
			bool				forEncryption,
			ICipherParameters	parameters)
		{
			this.forEncryption = forEncryption;

			if (parameters is ParametersWithRandom)
			{
				parameters = ((ParametersWithRandom) parameters).Parameters;
			}

			key = (NaccacheSternKeyParameters)parameters;

			// construct lookup table for faster decryption if necessary
			if (!this.forEncryption)
			{
				if (debug)
				{
					Console.WriteLine("Constructing lookup Array");
				}
				NaccacheSternPrivateKeyParameters priv = (NaccacheSternPrivateKeyParameters)key;
				ArrayList primes = priv.SmallPrimes;
				lookup = new ArrayList[primes.Count];
				for (int i = 0; i < primes.Count; i++)
				{
					BigInteger actualPrime = (BigInteger) primes[i];
					int actualPrimeValue = actualPrime.IntValue;

					lookup[i] = new ArrayList(actualPrimeValue);
					lookup[i].Add(BigInteger.One);

					if (debug)
					{
						Console.WriteLine("Constructing lookup ArrayList for " + actualPrimeValue);
					}

					BigInteger accJ = BigInteger.Zero;

					for (int j = 1; j < actualPrimeValue; j++)
					{
//						BigInteger bigJ = BigInteger.ValueOf(j);
//						accJ = priv.PhiN.Multiply(bigJ);
						accJ = accJ.Add(priv.PhiN);
						BigInteger comp = accJ.Divide(actualPrime);
						lookup[i].Add(priv.G.ModPow(comp, priv.Modulus));
					}
				}
			}
		}