DsaParameter
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Asn1.X509
{
public class DsaParameter : Asn1Encodable
{
internal readonly DerInteger p;
internal readonly DerInteger q;
internal readonly DerInteger g;
public BigInteger P => p.PositiveValue;
public BigInteger Q => q.PositiveValue;
public BigInteger G => g.PositiveValue;
public static DsaParameter GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
}
public static DsaParameter GetInstance(object obj)
{
if (obj == null || obj is DsaParameter)
return (DsaParameter)obj;
if (obj is Asn1Sequence)
return new DsaParameter((Asn1Sequence)obj);
throw new ArgumentException("Invalid DsaParameter: " + Platform.GetTypeName(obj));
}
public DsaParameter(BigInteger p, BigInteger q, BigInteger g)
{
this.p = new DerInteger(p);
this.q = new DerInteger(q);
this.g = new DerInteger(g);
}
private DsaParameter(Asn1Sequence seq)
{
if (seq.Count != 3)
throw new ArgumentException("Bad sequence size: " + seq.Count.ToString(), "seq");
p = DerInteger.GetInstance(seq[0]);
q = DerInteger.GetInstance(seq[1]);
g = DerInteger.GetInstance(seq[2]);
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(p, q, g);
}
}
}