ElGamalParametersGenerator
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Crypto.Generators
{
public class ElGamalParametersGenerator
{
private int size;
private int certainty;
private SecureRandom random;
public void Init(int size, int certainty, SecureRandom random)
{
this.size = size;
this.certainty = certainty;
this.random = random;
}
public ElGamalParameters GenerateParameters()
{
BigInteger[] array = DHParametersHelper.GenerateSafePrimes(size, certainty, random);
BigInteger p = array[0];
BigInteger q = array[1];
BigInteger g = DHParametersHelper.SelectGenerator(p, q, random);
return new ElGamalParameters(p, g);
}
}
}