using Org.BouncyCastle.Asn1.X509; using System; namespace Org.BouncyCastle.Asn1.Cmp { public class CmpCertificate : Asn1Encodable, IAsn1Choice { private readonly X509CertificateStructure m_x509v3PKCert; private readonly int m_otherTag; private readonly Asn1Encodable m_otherObject; public virtual bool IsX509v3PKCert => m_x509v3PKCert != null; public virtual X509CertificateStructure X509v3PKCert => m_x509v3PKCert; public virtual int OtherCertTag => m_otherTag; public virtual Asn1Encodable OtherCert => m_otherObject; public static CmpCertificate GetInstance(object obj) { if (obj == null) return null; CmpCertificate cmpCertificate = obj as CmpCertificate; if (cmpCertificate != null) return cmpCertificate; X509CertificateStructure x509CertificateStructure = obj as X509CertificateStructure; if (x509CertificateStructure != null) return new CmpCertificate(x509CertificateStructure); Asn1TaggedObject asn1TaggedObject = obj as Asn1TaggedObject; if (asn1TaggedObject != null) return new CmpCertificate(asn1TaggedObject); Asn1Object asn1Object = null; IAsn1Convertible asn1Convertible = obj as IAsn1Convertible; if (asn1Convertible != null) asn1Object = asn1Convertible.ToAsn1Object(); else { byte[] array = obj as byte[]; if (array != null) asn1Object = Asn1Object.FromByteArray(array); } Asn1TaggedObject asn1TaggedObject2 = asn1Object as Asn1TaggedObject; if (asn1TaggedObject2 != null) return new CmpCertificate(asn1TaggedObject2); return new CmpCertificate(X509CertificateStructure.GetInstance(asn1Object ?? obj)); } public static CmpCertificate GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return Asn1Utilities.GetInstanceChoice(taggedObject, declaredExplicit, GetInstance); } public static CmpCertificate GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) { return Asn1Utilities.GetTaggedChoice(taggedObject, declaredExplicit, GetInstance); } [Obsolete("Use 'GetInstance' from tagged object instead")] public CmpCertificate(int type, Asn1Encodable otherCert) { m_otherTag = type; m_otherObject = otherCert; } internal CmpCertificate(Asn1TaggedObject taggedObject) { if (!taggedObject.HasContextTag(1)) throw new ArgumentException("Invalid CHOICE element", "taggedObject"); AttributeCertificate.GetInstance(taggedObject, true); m_otherTag = taggedObject.TagNo; m_otherObject = taggedObject.GetExplicitBaseObject(); } internal CmpCertificate(CmpCertificate other) { m_x509v3PKCert = other.m_x509v3PKCert; m_otherTag = other.m_otherTag; m_otherObject = other.m_otherObject; } public CmpCertificate(X509CertificateStructure x509v3PKCert) { if (x509v3PKCert.Version != 3) throw new ArgumentException("only version 3 certificates allowed", "x509v3PKCert"); m_x509v3PKCert = x509v3PKCert; } public override Asn1Object ToAsn1Object() { if (m_otherObject != null) return new DerTaggedObject(true, m_otherTag, m_otherObject); if (m_x509v3PKCert != null) return m_x509v3PKCert.ToAsn1Object(); throw new InvalidOperationException(); } } }