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11
iTechSharp/srcbc/asn1/smime/SMIMEAttributes.cs
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11
iTechSharp/srcbc/asn1/smime/SMIMEAttributes.cs
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.Pkcs;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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public abstract class SmimeAttributes
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{
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public static readonly DerObjectIdentifier SmimeCapabilities = PkcsObjectIdentifiers.Pkcs9AtSmimeCapabilities;
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public static readonly DerObjectIdentifier EncrypKeyPref = PkcsObjectIdentifiers.IdAAEncrypKeyPref;
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}
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}
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112
iTechSharp/srcbc/asn1/smime/SMIMECapabilities.cs
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112
iTechSharp/srcbc/asn1/smime/SMIMECapabilities.cs
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using System;
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using System.Collections;
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.Pkcs;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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/**
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* Handler class for dealing with S/MIME Capabilities
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*/
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public class SmimeCapabilities
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: Asn1Encodable
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{
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/**
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* general preferences
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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 SmimeCapabilitesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
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/**
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* encryption algorithms preferences
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*/
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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 Asn1Sequence capabilities;
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/**
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* return an Attr object from the given object.
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*
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* @param o the object we want converted.
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* @exception ArgumentException if the object cannot be converted.
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*/
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public static SmimeCapabilities GetInstance(
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object obj)
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{
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if (obj == null || obj is SmimeCapabilities)
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{
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return (SmimeCapabilities) obj;
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}
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if (obj is Asn1Sequence)
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{
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return new SmimeCapabilities((Asn1Sequence) obj);
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}
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if (obj is AttributeX509)
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{
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return new SmimeCapabilities(
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(Asn1Sequence)(((AttributeX509) obj).AttrValues[0]));
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}
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throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
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}
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public SmimeCapabilities(
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Asn1Sequence seq)
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{
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capabilities = seq;
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}
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/**
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* returns an ArrayList with 0 or more objects of all the capabilities
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* matching the passed in capability Oid. If the Oid passed is null the
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* entire set is returned.
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*/
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public ArrayList GetCapabilities(
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DerObjectIdentifier capability)
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{
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ArrayList list = new ArrayList();
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if (capability == null)
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{
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foreach (object o in capabilities)
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{
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SmimeCapability cap = SmimeCapability.GetInstance(o);
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list.Add(cap);
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}
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}
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else
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{
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foreach (object o in capabilities)
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{
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SmimeCapability cap = SmimeCapability.GetInstance(o);
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if (capability.Equals(cap.CapabilityID))
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{
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list.Add(cap);
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}
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}
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}
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return list;
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}
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/**
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* Produce an object suitable for an Asn1OutputStream.
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* <pre>
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* SMIMECapabilities ::= Sequence OF SMIMECapability
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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return capabilities;
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}
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}
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}
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16
iTechSharp/srcbc/asn1/smime/SMIMECapabilitiesAttribute.cs
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16
iTechSharp/srcbc/asn1/smime/SMIMECapabilitiesAttribute.cs
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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public class SmimeCapabilitiesAttribute
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: AttributeX509
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{
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public SmimeCapabilitiesAttribute(
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SmimeCapabilityVector capabilities)
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: base(SmimeAttributes.SmimeCapabilities,
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new DerSet(new DerSequence(capabilities.ToAsn1EncodableVector())))
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{
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}
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}
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}
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101
iTechSharp/srcbc/asn1/smime/SMIMECapability.cs
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101
iTechSharp/srcbc/asn1/smime/SMIMECapability.cs
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using System;
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.Pkcs;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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public class SmimeCapability
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: Asn1Encodable
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{
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/**
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* general preferences
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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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/**
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* encryption algorithms preferences
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*/
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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 SmimeCapability(
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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(
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DerObjectIdentifier capabilityID,
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Asn1Encodable parameters)
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{
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if (capabilityID == null)
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throw new ArgumentNullException("capabilityID");
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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(
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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 DerObjectIdentifier CapabilityID
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{
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get { return capabilityID; }
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}
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public Asn1Object Parameters
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{
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get { return parameters; }
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}
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/**
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* Produce an object suitable for an Asn1OutputStream.
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* <pre>
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* SMIMECapability ::= Sequence {
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* capabilityID OBJECT IDENTIFIER,
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* parameters ANY DEFINED BY capabilityID OPTIONAL
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* }
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector v = new Asn1EncodableVector(capabilityID);
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if (parameters != null)
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{
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v.Add(parameters);
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}
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return new DerSequence(v);
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}
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}
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}
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37
iTechSharp/srcbc/asn1/smime/SMIMECapabilityVector.cs
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37
iTechSharp/srcbc/asn1/smime/SMIMECapabilityVector.cs
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@@ -0,0 +1,37 @@
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using Org.BouncyCastle.Asn1;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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/**
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* Handler for creating a vector S/MIME Capabilities
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*/
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public class SmimeCapabilityVector
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{
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private readonly Asn1EncodableVector capabilities = new Asn1EncodableVector();
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public void AddCapability(
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DerObjectIdentifier capability)
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{
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capabilities.Add(new DerSequence(capability));
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}
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public void AddCapability(
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DerObjectIdentifier capability,
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int value)
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{
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capabilities.Add(new DerSequence(capability, new DerInteger(value)));
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}
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public void AddCapability(
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DerObjectIdentifier capability,
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Asn1Encodable parameters)
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{
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capabilities.Add(new DerSequence(capability, parameters));
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}
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public Asn1EncodableVector ToAsn1EncodableVector()
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{
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return capabilities;
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}
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}
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}
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@@ -0,0 +1,44 @@
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.Cms;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Smime
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{
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/**
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* The SmimeEncryptionKeyPreference object.
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* <pre>
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* SmimeEncryptionKeyPreference ::= CHOICE {
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* issuerAndSerialNumber [0] IssuerAndSerialNumber,
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* receipentKeyId [1] RecipientKeyIdentifier,
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* subjectAltKeyIdentifier [2] SubjectKeyIdentifier
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* }
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* </pre>
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*/
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public class SmimeEncryptionKeyPreferenceAttribute
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: AttributeX509
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{
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public SmimeEncryptionKeyPreferenceAttribute(
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IssuerAndSerialNumber issAndSer)
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: base(SmimeAttributes.EncrypKeyPref,
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new DerSet(new DerTaggedObject(false, 0, issAndSer)))
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{
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}
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public SmimeEncryptionKeyPreferenceAttribute(
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RecipientKeyIdentifier rKeyID)
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: base(SmimeAttributes.EncrypKeyPref,
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new DerSet(new DerTaggedObject(false, 1, rKeyID)))
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{
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}
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/**
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* @param sKeyId the subjectKeyIdentifier value (normally the X.509 one)
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*/
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public SmimeEncryptionKeyPreferenceAttribute(
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Asn1OctetString sKeyID)
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: base(SmimeAttributes.EncrypKeyPref,
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new DerSet(new DerTaggedObject(false, 2, sKeyID)))
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{
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}
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}
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}
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