73 lines
1.9 KiB
C#
73 lines
1.9 KiB
C#
using System;
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using Org.BouncyCastle.Asn1.Pkcs;
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namespace Org.BouncyCastle.Asn1.Smime;
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public class SmimeCapability : Asn1Encodable
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{
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public static readonly DerObjectIdentifier PreferSignedData = PkcsObjectIdentifiers.PreferSignedData;
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public static readonly DerObjectIdentifier CannotDecryptAny = PkcsObjectIdentifiers.CannotDecryptAny;
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public static readonly DerObjectIdentifier SmimeCapabilitiesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
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public static readonly DerObjectIdentifier DesCbc = new DerObjectIdentifier("1.3.14.3.2.7");
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public static readonly DerObjectIdentifier DesEde3Cbc = PkcsObjectIdentifiers.DesEde3Cbc;
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public static readonly DerObjectIdentifier RC2Cbc = PkcsObjectIdentifiers.RC2Cbc;
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private DerObjectIdentifier capabilityID;
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private Asn1Object parameters;
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public DerObjectIdentifier CapabilityID => capabilityID;
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public Asn1Object Parameters => parameters;
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public SmimeCapability(Asn1Sequence seq)
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{
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capabilityID = (DerObjectIdentifier)seq[0].ToAsn1Object();
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if (seq.Count > 1)
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{
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parameters = seq[1].ToAsn1Object();
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}
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}
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public SmimeCapability(DerObjectIdentifier capabilityID, Asn1Encodable parameters)
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{
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if (capabilityID == null)
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{
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throw new ArgumentNullException("capabilityID");
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}
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this.capabilityID = capabilityID;
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if (parameters != null)
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{
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this.parameters = parameters.ToAsn1Object();
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}
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}
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public static SmimeCapability GetInstance(object obj)
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{
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if (obj == null || obj is SmimeCapability)
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{
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return (SmimeCapability)obj;
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}
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if (obj is Asn1Sequence)
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{
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return new SmimeCapability((Asn1Sequence)obj);
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}
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throw new ArgumentException("Invalid SmimeCapability");
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}
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(capabilityID);
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if (parameters != null)
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{
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asn1EncodableVector.Add(parameters);
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}
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return new DerSequence(asn1EncodableVector);
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}
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}
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