SmimeCapabilities
using Org.BouncyCastle.Asn1.Misc;
using Org.BouncyCastle.Asn1.Nist;
using Org.BouncyCastle.Asn1.Oiw;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Asn1.X509;
using System;
using System.Collections.Generic;
namespace Org.BouncyCastle.Asn1.Smime
{
public class SmimeCapabilities : Asn1Encodable
{
public static readonly DerObjectIdentifier PreferSignedData = PkcsObjectIdentifiers.PreferSignedData;
public static readonly DerObjectIdentifier CannotDecryptAny = PkcsObjectIdentifiers.CannotDecryptAny;
public static readonly DerObjectIdentifier SmimeCapabilitesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
public static readonly DerObjectIdentifier Aes256Cbc = NistObjectIdentifiers.IdAes256Cbc;
public static readonly DerObjectIdentifier Aes192Cbc = NistObjectIdentifiers.IdAes192Cbc;
public static readonly DerObjectIdentifier Aes128Cbc = NistObjectIdentifiers.IdAes128Cbc;
public static readonly DerObjectIdentifier IdeaCbc = MiscObjectIdentifiers.as_sys_sec_alg_ideaCBC;
public static readonly DerObjectIdentifier Cast5Cbc = MiscObjectIdentifiers.cast5CBC;
public static readonly DerObjectIdentifier DesCbc = OiwObjectIdentifiers.DesCbc;
public static readonly DerObjectIdentifier DesEde3Cbc = PkcsObjectIdentifiers.DesEde3Cbc;
public static readonly DerObjectIdentifier RC2Cbc = PkcsObjectIdentifiers.RC2Cbc;
private readonly Asn1Sequence m_capabilities;
public static SmimeCapabilities GetInstance(object obj)
{
if (obj == null)
return null;
SmimeCapabilities smimeCapabilities = obj as SmimeCapabilities;
if (smimeCapabilities != null)
return smimeCapabilities;
AttributeX509 attributeX = obj as AttributeX509;
if (attributeX != null)
return new SmimeCapabilities((Asn1Sequence)attributeX.AttrValues[0]);
return new SmimeCapabilities(Asn1Sequence.GetInstance(obj));
}
public static SmimeCapabilities GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SmimeCapabilities(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static SmimeCapabilities GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SmimeCapabilities(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
public SmimeCapabilities(Asn1Sequence seq)
{
if (seq == null)
throw new ArgumentNullException("seq");
m_capabilities = seq;
}
public IList<SmimeCapability> GetCapabilitiesForOid(DerObjectIdentifier capability)
{
List<SmimeCapability> list = new List<SmimeCapability>();
DoGetCapabilitiesForOid(capability, list);
return list;
}
private void DoGetCapabilitiesForOid(DerObjectIdentifier capability, List<SmimeCapability> list)
{
foreach (Asn1Encodable capability2 in m_capabilities) {
SmimeCapability instance = SmimeCapability.GetInstance(capability2);
if (instance.CapabilityID.Equals(capability))
list.Add(instance);
}
}
public override Asn1Object ToAsn1Object()
{
return m_capabilities;
}
}
}