using Org.BouncyCastle.Asn1.Cms; using System; namespace Org.BouncyCastle.Asn1.Crmf { public class EncryptedKey : Asn1Encodable, IAsn1Choice { private readonly EnvelopedData m_envelopedData; private readonly EncryptedValue m_encryptedValue; public virtual bool IsEncryptedValue => m_encryptedValue != null; public virtual Asn1Encodable Value { get { if (m_encryptedValue != null) return m_encryptedValue; return m_envelopedData; } } public static EncryptedKey GetInstance(object obj) { return Asn1Utilities.GetInstanceChoice(obj, GetOptional); } public static EncryptedKey GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return Asn1Utilities.GetInstanceChoice(taggedObject, declaredExplicit, GetInstance); } public static EncryptedKey GetOptional(Asn1Encodable element) { if (element == null) throw new ArgumentNullException("element"); EncryptedKey encryptedKey = element as EncryptedKey; if (encryptedKey != null) return encryptedKey; EncryptedValue optional = EncryptedValue.GetOptional(element); if (optional != null) return new EncryptedKey(optional); Asn1TaggedObject optional2 = Asn1TaggedObject.GetOptional(element); if (optional2 != null && optional2.HasContextTag(0)) return new EncryptedKey(EnvelopedData.GetTagged(optional2, false)); return null; } public static EncryptedKey GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) { return Asn1Utilities.GetTaggedChoice(taggedObject, declaredExplicit, GetInstance); } public EncryptedKey(EnvelopedData envelopedData) { m_envelopedData = envelopedData; } public EncryptedKey(EncryptedValue encryptedValue) { m_encryptedValue = encryptedValue; } public override Asn1Object ToAsn1Object() { if (m_encryptedValue != null) return m_encryptedValue.ToAsn1Object(); return new DerTaggedObject(false, 0, m_envelopedData); } } }