79 lines
1.9 KiB
C#
79 lines
1.9 KiB
C#
using System;
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using System.Collections;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Pkcs
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{
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public class EncryptedPrivateKeyInfo
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: Asn1Encodable
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{
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private readonly AlgorithmIdentifier algId;
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private readonly Asn1OctetString data;
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private EncryptedPrivateKeyInfo(
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Asn1Sequence seq)
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{
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if (seq.Count != 2)
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throw new ArgumentException("Wrong number of elements in sequence", "seq");
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algId = AlgorithmIdentifier.GetInstance(seq[0]);
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data = Asn1OctetString.GetInstance(seq[1]);
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}
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public EncryptedPrivateKeyInfo(
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AlgorithmIdentifier algId,
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byte[] encoding)
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{
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this.algId = algId;
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this.data = new DerOctetString(encoding);
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}
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public static EncryptedPrivateKeyInfo GetInstance(
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object obj)
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{
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if (obj is EncryptedPrivateKeyInfo)
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{
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return (EncryptedPrivateKeyInfo) obj;
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}
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if (obj is Asn1Sequence)
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{
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return new EncryptedPrivateKeyInfo((Asn1Sequence) obj);
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}
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throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
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}
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public AlgorithmIdentifier EncryptionAlgorithm
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{
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get { return algId; }
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}
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public byte[] GetEncryptedData()
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{
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return data.GetOctets();
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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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* EncryptedPrivateKeyInfo ::= Sequence {
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* encryptionAlgorithm AlgorithmIdentifier {{KeyEncryptionAlgorithms}},
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* encryptedData EncryptedData
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* }
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*
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* EncryptedData ::= OCTET STRING
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*
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* KeyEncryptionAlgorithms ALGORITHM-IDENTIFIER ::= {
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* ... -- For local profiles
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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(algId, data);
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}
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}
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}
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