SmimeCapability
using Org.BouncyCastle.Asn1.Oiw;
using Org.BouncyCastle.Asn1.Pkcs;
using System;
namespace Org.BouncyCastle.Asn1.Smime
{
public class SmimeCapability : Asn1Encodable
{
public static readonly DerObjectIdentifier PreferSignedData = PkcsObjectIdentifiers.PreferSignedData;
public static readonly DerObjectIdentifier CannotDecryptAny = PkcsObjectIdentifiers.CannotDecryptAny;
public static readonly DerObjectIdentifier SmimeCapabilitiesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
public static readonly DerObjectIdentifier DesCbc = OiwObjectIdentifiers.DesCbc;
public static readonly DerObjectIdentifier DesEde3Cbc = PkcsObjectIdentifiers.DesEde3Cbc;
public static readonly DerObjectIdentifier RC2Cbc = PkcsObjectIdentifiers.RC2Cbc;
private readonly DerObjectIdentifier m_capabilityID;
private readonly Asn1Encodable m_parameters;
public DerObjectIdentifier CapabilityID => m_capabilityID;
public Asn1Object Parameters => m_parameters?.ToAsn1Object();
public static SmimeCapability GetInstance(object obj)
{
if (obj == null)
return null;
SmimeCapability smimeCapability = obj as SmimeCapability;
if (smimeCapability != null)
return smimeCapability;
return new SmimeCapability(Asn1Sequence.GetInstance(obj));
}
public static SmimeCapability GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SmimeCapability(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static SmimeCapability GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SmimeCapability(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
[Obsolete("Use 'GetInstance' instead")]
public SmimeCapability(Asn1Sequence seq)
{
int count = seq.Count;
if (count < 1 || count > 2)
throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq");
m_capabilityID = DerObjectIdentifier.GetInstance(seq[0]);
if (seq.Count > 1)
m_parameters = seq[1];
}
public SmimeCapability(DerObjectIdentifier capabilityID, Asn1Encodable parameters)
{
if (capabilityID == null)
throw new ArgumentNullException("capabilityID");
m_capabilityID = capabilityID;
m_parameters = parameters;
}
public override Asn1Object ToAsn1Object()
{
if (m_parameters != null)
return new DerSequence(m_capabilityID, m_parameters);
return new DerSequence(m_capabilityID);
}
}
}