<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />

IssuerAndSerialNumber

using Org.BouncyCastle.Asn1.X509; using Org.BouncyCastle.Math; using Org.BouncyCastle.Utilities; using System; namespace Org.BouncyCastle.Asn1.Pkcs { public class IssuerAndSerialNumber : Asn1Encodable { private readonly X509Name name; private readonly DerInteger certSerialNumber; public X509Name Name => name; public DerInteger CertificateSerialNumber => certSerialNumber; public static IssuerAndSerialNumber GetInstance(object obj) { if (obj is IssuerAndSerialNumber) return (IssuerAndSerialNumber)obj; if (obj is Asn1Sequence) return new IssuerAndSerialNumber((Asn1Sequence)obj); throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj"); } private IssuerAndSerialNumber(Asn1Sequence seq) { if (seq.Count != 2) throw new ArgumentException("Wrong number of elements in sequence", "seq"); name = X509Name.GetInstance(seq[0]); certSerialNumber = DerInteger.GetInstance(seq[1]); } public IssuerAndSerialNumber(X509Name name, BigInteger certSerialNumber) { this.name = name; this.certSerialNumber = new DerInteger(certSerialNumber); } public IssuerAndSerialNumber(X509Name name, DerInteger certSerialNumber) { this.name = name; this.certSerialNumber = certSerialNumber; } public override Asn1Object ToAsn1Object() { return new DerSequence(name, certSerialNumber); } } }