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using System;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Cms;
using Org.BouncyCastle.Asn1.Crmf;
using Org.BouncyCastle.Cms;
namespace Org.BouncyCastle.Crmf
{
public class PkiArchiveControl
: IControl
{
public static readonly int encryptedPrivKey = PkiArchiveOptions.encryptedPrivKey;
public static readonly int keyGenParameters = PkiArchiveOptions.keyGenParameters;
public static readonly int archiveRemGenPrivKey = PkiArchiveOptions.archiveRemGenPrivKey;
private static readonly DerObjectIdentifier type = CrmfObjectIdentifiers.id_regCtrl_pkiArchiveOptions;
private readonly PkiArchiveOptions pkiArchiveOptions;
/// <summary>
/// Basic constructor - build from an PKIArchiveOptions structure.
/// </summary>
/// <param name="pkiArchiveOptions">the ASN.1 structure that will underlie this control.</param>
public PkiArchiveControl(PkiArchiveOptions pkiArchiveOptions)
{
this.pkiArchiveOptions = pkiArchiveOptions;
}
/// <summary>
/// Return the type of this control.
/// </summary>
/// <returns>CRMFObjectIdentifiers.id_regCtrl_pkiArchiveOptions</returns>
public DerObjectIdentifier Type
{
get { return type; }
}
/// <summary>
/// Return the underlying ASN.1 object.
/// </summary>
/// <returns>a PKIArchiveOptions structure.</returns>
public Asn1Encodable Value
{
get { return pkiArchiveOptions; }
}
/// <summary>
/// Return the archive control type, one of: encryptedPrivKey,keyGenParameters,or archiveRemGenPrivKey.
/// </summary>
/// <returns>the archive control type.</returns>
public int ArchiveType
{
get { return pkiArchiveOptions.Type; }
}
/// <summary>
/// Return whether this control contains enveloped data.
/// </summary>
/// <returns>true if the control contains enveloped data, false otherwise.</returns>
public bool EnvelopedData
{
get
{
EncryptedKey encKey = EncryptedKey.GetInstance(pkiArchiveOptions.Value);
return !encKey.IsEncryptedValue;
}
}
/// <summary>
/// Return the enveloped data structure contained in this control.
/// </summary>
/// <returns>a CMSEnvelopedData object.</returns>
public CmsEnvelopedData GetEnvelopedData()
{
try
{
EncryptedKey encKey = EncryptedKey.GetInstance(pkiArchiveOptions.Value);
EnvelopedData data = Org.BouncyCastle.Asn1.Cms.EnvelopedData.GetInstance(encKey.Value);
return new CmsEnvelopedData(new ContentInfo(CmsObjectIdentifiers.EnvelopedData, data));
}
catch (CmsException e)
{
throw new CrmfException("CMS parsing error: " + e.Message, e);
}
catch (Exception e)
{
throw new CrmfException("CRMF parsing error: " + e.Message, e);
}
}
}
}
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