ElGamalParameter
using Org.BouncyCastle.Math;
using System;
namespace Org.BouncyCastle.Asn1.Oiw
{
public class ElGamalParameter : Asn1Encodable
{
private readonly DerInteger m_p;
private readonly DerInteger m_g;
public BigInteger P => m_p.PositiveValue;
public BigInteger G => m_g.PositiveValue;
public static ElGamalParameter GetInstance(object obj)
{
if (obj == null)
return null;
ElGamalParameter elGamalParameter = obj as ElGamalParameter;
if (elGamalParameter != null)
return elGamalParameter;
return new ElGamalParameter(Asn1Sequence.GetInstance(obj));
}
public static ElGamalParameter GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new ElGamalParameter(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static ElGamalParameter GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new ElGamalParameter(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
[Obsolete("Use 'GetInstance' instead")]
public ElGamalParameter(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 2)
throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq");
m_p = DerInteger.GetInstance(seq[0]);
m_g = DerInteger.GetInstance(seq[1]);
}
public ElGamalParameter(BigInteger p, BigInteger g)
{
m_p = new DerInteger(p);
m_g = new DerInteger(g);
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_p, m_g);
}
}
}