92 lines
2.5 KiB
C#
92 lines
2.5 KiB
C#
using System;
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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.Cms
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{
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public class OriginatorPublicKey
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: Asn1Encodable
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{
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private AlgorithmIdentifier algorithm;
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private DerBitString publicKey;
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public OriginatorPublicKey(
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AlgorithmIdentifier algorithm,
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byte[] publicKey)
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{
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this.algorithm = algorithm;
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this.publicKey = new DerBitString(publicKey);
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}
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public OriginatorPublicKey(
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Asn1Sequence seq)
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{
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algorithm = AlgorithmIdentifier.GetInstance(seq[0]);
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publicKey = (DerBitString) seq[1];
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}
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/**
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* return an OriginatorPublicKey object from a tagged object.
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*
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* @param obj the tagged object holding the object we want.
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* @param explicitly true if the object is meant to be explicitly
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* tagged false otherwise.
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* @exception ArgumentException if the object held by the
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* tagged object cannot be converted.
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*/
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public static OriginatorPublicKey GetInstance(
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Asn1TaggedObject obj,
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bool explicitly)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
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}
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/**
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* return an OriginatorPublicKey object from the given object.
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*
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* @param obj 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 OriginatorPublicKey GetInstance(
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object obj)
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{
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if (obj == null || obj is OriginatorPublicKey)
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{
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return (OriginatorPublicKey)obj;
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}
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if (obj is Asn1Sequence)
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{
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return new OriginatorPublicKey((Asn1Sequence) obj);
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}
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throw new ArgumentException("Invalid OriginatorPublicKey: " + obj.GetType().Name);
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}
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public AlgorithmIdentifier Algorithm
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{
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get { return algorithm; }
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}
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public DerBitString PublicKey
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{
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get { return publicKey; }
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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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* OriginatorPublicKey ::= Sequence {
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* algorithm AlgorithmIdentifier,
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* publicKey BIT STRING
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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(algorithm, publicKey);
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}
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}
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}
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