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70 lines
1.7 KiB
70 lines
1.7 KiB
using System;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Asn1.Cms
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{
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public class Attribute
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: Asn1Encodable
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{
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private DerObjectIdentifier attrType;
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private Asn1Set attrValues;
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/**
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* return an Attribute 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 Attribute GetInstance(
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object obj)
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{
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if (obj == null || obj is Attribute)
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return (Attribute) obj;
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if (obj is Asn1Sequence)
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return new Attribute((Asn1Sequence) obj);
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throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
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}
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public Attribute(
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Asn1Sequence seq)
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{
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attrType = (DerObjectIdentifier)seq[0];
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attrValues = (Asn1Set)seq[1];
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}
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public Attribute(
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DerObjectIdentifier attrType,
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Asn1Set attrValues)
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{
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this.attrType = attrType;
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this.attrValues = attrValues;
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}
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public DerObjectIdentifier AttrType
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{
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get { return attrType; }
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}
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public Asn1Set AttrValues
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{
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get { return attrValues; }
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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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* Attribute ::= SEQUENCE {
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* attrType OBJECT IDENTIFIER,
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* attrValues SET OF AttributeValue
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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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return new DerSequence(attrType, attrValues);
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}
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}
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}
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