using Org.BouncyCastle.Asn1.X509; using System; namespace Org.BouncyCastle.Asn1.Cms { public class EncryptedContentInfo : Asn1Encodable { private DerObjectIdentifier contentType; private AlgorithmIdentifier contentEncryptionAlgorithm; private Asn1OctetString encryptedContent; public DerObjectIdentifier ContentType => contentType; public AlgorithmIdentifier ContentEncryptionAlgorithm => contentEncryptionAlgorithm; public Asn1OctetString EncryptedContent => encryptedContent; public static EncryptedContentInfo GetInstance(object obj) { if (obj == null) return null; EncryptedContentInfo encryptedContentInfo = obj as EncryptedContentInfo; if (encryptedContentInfo != null) return encryptedContentInfo; return new EncryptedContentInfo(Asn1Sequence.GetInstance(obj)); } public static EncryptedContentInfo GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new EncryptedContentInfo(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); } public EncryptedContentInfo(DerObjectIdentifier contentType, AlgorithmIdentifier contentEncryptionAlgorithm, Asn1OctetString encryptedContent) { this.contentType = contentType; this.contentEncryptionAlgorithm = contentEncryptionAlgorithm; this.encryptedContent = encryptedContent; } [Obsolete("Use 'GetInstance' instead")] public EncryptedContentInfo(Asn1Sequence seq) { contentType = (DerObjectIdentifier)seq[0]; contentEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]); if (seq.Count > 2) encryptedContent = Asn1OctetString.GetInstance((Asn1TaggedObject)seq[2], false); } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(contentType, contentEncryptionAlgorithm); if (encryptedContent != null) asn1EncodableVector.Add(new BerTaggedObject(false, 0, encryptedContent)); return new BerSequence(asn1EncodableVector); } } }