using Org.BouncyCastle.Asn1.X509; using Org.BouncyCastle.Math; using System; namespace Org.BouncyCastle.Asn1.Cms { public class IssuerAndSerialNumber : Asn1Encodable { private readonly X509Name m_issuer; private readonly DerInteger m_serialNumber; public X509Name Issuer => m_issuer; [Obsolete("Use 'Issuer' property instead")] public X509Name Name { get { return m_issuer; } } public DerInteger SerialNumber => m_serialNumber; public static IssuerAndSerialNumber GetInstance(object obj) { if (obj == null) return null; IssuerAndSerialNumber issuerAndSerialNumber = obj as IssuerAndSerialNumber; if (issuerAndSerialNumber != null) return issuerAndSerialNumber; return new IssuerAndSerialNumber(Asn1Sequence.GetInstance(obj)); } public static IssuerAndSerialNumber GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new IssuerAndSerialNumber(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); } public static IssuerAndSerialNumber GetOptional(Asn1Encodable element) { if (element == null) throw new ArgumentNullException("element"); IssuerAndSerialNumber issuerAndSerialNumber = element as IssuerAndSerialNumber; if (issuerAndSerialNumber != null) return issuerAndSerialNumber; Asn1Sequence optional = Asn1Sequence.GetOptional(element); if (optional != null) return new IssuerAndSerialNumber(optional); return null; } public static IssuerAndSerialNumber GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new IssuerAndSerialNumber(Asn1Sequence.GetTagged(taggedObject, declaredExplicit)); } private IssuerAndSerialNumber(Asn1Sequence seq) { int count = seq.Count; if (count != 2) throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq"); m_issuer = X509Name.GetInstance(seq[0]); m_serialNumber = DerInteger.GetInstance(seq[1]); } public IssuerAndSerialNumber(X509Name name, BigInteger serialNumber) { if (name == null) throw new ArgumentNullException("name"); m_issuer = name; m_serialNumber = new DerInteger(serialNumber); } public IssuerAndSerialNumber(X509Name name, DerInteger serialNumber) { if (name == null) throw new ArgumentNullException("name"); m_issuer = name; if (serialNumber == null) throw new ArgumentNullException("serialNumber"); m_serialNumber = serialNumber; } public IssuerAndSerialNumber(X509CertificateStructure x509CertificateStructure) { m_issuer = x509CertificateStructure.Issuer; m_serialNumber = x509CertificateStructure.SerialNumber; } public override Asn1Object ToAsn1Object() { return new DerSequence(m_issuer, m_serialNumber); } } }