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using System;
using Org.BouncyCastle.Asn1.Cmp;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Cms;
namespace Org.BouncyCastle.Crmf
{
/// <summary>High level wrapper for the CertResponse CRMF structure.</summary>
public class CertificateResponse
{
private readonly CertResponse m_certResponse;
public CertificateResponse(CertResponse certResponse)
{
m_certResponse = certResponse;
}
/**
* Return true if the response contains an encrypted certificate.
*
* @return true if certificate in response encrypted, false otherwise.
*/
public virtual bool HasEncryptedCertificate =>
m_certResponse.CertifiedKeyPair.CertOrEncCert.HasEncryptedCertificate;
/**
* Return a CMSEnvelopedData representing the encrypted certificate contained in the response.
*
* @return a CMEEnvelopedData if an encrypted certificate is present.
* @throws IllegalStateException if no encrypted certificate is present, or there is an issue with the enveloped data.
*/
public virtual CmsEnvelopedData GetEncryptedCertificate()
{
if (!HasEncryptedCertificate)
throw new InvalidOperationException("encrypted certificate asked for, none found");
CertifiedKeyPair receivedKeyPair = m_certResponse.CertifiedKeyPair;
var contentInfo = new Asn1.Cms.ContentInfo(PkcsObjectIdentifiers.EnvelopedData,
receivedKeyPair.CertOrEncCert.EncryptedCert.Value);
CmsEnvelopedData envelopedData = new CmsEnvelopedData(contentInfo);
if (envelopedData.GetRecipientInfos().Count != 1)
throw new InvalidOperationException("data encrypted for more than one recipient");
return envelopedData;
}
// TODO[crmf]
#if false
/**
* Return the CMPCertificate representing the plaintext certificate in the response.
*
* @return a CMPCertificate if a plaintext certificate is present.
* @throws IllegalStateException if no plaintext certificate is present.
*/
public virtual CmpCertificate GetCertificate(Recipient recipient)
{
CmsEnvelopedData encryptedCert = GetEncryptedCertificate();
RecipientInformationStore recipients = encryptedCert.GetRecipientInfos();
var c = recipients.GetRecipients();
RecipientInformation recInfo = c[0];
return CmpCertificate.GetInstance(recInfo.GetContent(recipient));
}
#endif
/**
* Return the CMPCertificate representing the plaintext certificate in the response.
*
* @return a CMPCertificate if a plaintext certificate is present.
* @throws IllegalStateException if no plaintext certificate is present.
*/
public virtual CmpCertificate GetCertificate()
{
if (HasEncryptedCertificate)
throw new InvalidOperationException("plaintext certificate asked for, none found");
return m_certResponse.CertifiedKeyPair.CertOrEncCert.Certificate;
}
/**
* Return this object's underlying ASN.1 structure.
*
* @return a CertResponse
*/
public virtual CertResponse ToAsn1Structure() => m_certResponse;
}
}
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