using Org.BouncyCastle.Math; using System.Collections.Generic; namespace Org.BouncyCastle.Asn1.Pkcs { public class DHParameter : Asn1Encodable { internal DerInteger p; internal DerInteger g; internal DerInteger l; public BigInteger P => p.PositiveValue; public BigInteger G => g.PositiveValue; public BigInteger L { get { if (l != null) return l.PositiveValue; return null; } } public DHParameter(BigInteger p, BigInteger g, int l) { this.p = new DerInteger(p); this.g = new DerInteger(g); if (l != 0) this.l = new DerInteger(l); } public DHParameter(Asn1Sequence seq) { IEnumerator<Asn1Encodable> enumerator = seq.GetEnumerator(); enumerator.MoveNext(); p = (DerInteger)enumerator.Current; enumerator.MoveNext(); g = (DerInteger)enumerator.Current; if (enumerator.MoveNext()) l = (DerInteger)enumerator.Current; } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(p, g); asn1EncodableVector.AddOptional(l); return new DerSequence(asn1EncodableVector); } } }