/**
* Replace the certificate and CRL information associated with this
* CMSSignedData object with the new one passed in.
* <p>
* The output stream is returned unclosed.
* </p>
* @param original the signed data stream to be used as a base.
* @param certsAndCrls the new certificates and CRLs to be used.
* @param out the stream to Write the new signed data object to.
* @return out.
* @exception CmsException if there is an error processing the CertStore
*/
public static Stream ReplaceCertificatesAndCrls(Stream original, IX509Store x509Certs, IX509Store x509Crls, IX509Store x509AttrCerts, Stream outStr)
{
// NB: SecureRandom would be ignored since using existing signatures only
var gen = new CmsSignedDataStreamGenerator();
var parser = new CmsSignedDataParser(original);
gen.AddDigests(parser.DigestOids);
CmsTypedStream signedContent = parser.GetSignedContent();
bool encapsulate = (signedContent != null);
using (Stream contentOut = gen.Open(outStr, parser.SignedContentType.Id, encapsulate))
{
if (encapsulate)
{
Streams.PipeAll(signedContent.ContentStream, contentOut);
}
// gen.AddAttributeCertificates(parser.GetAttributeCertificates("Collection"));
// gen.AddCertificates(parser.GetCertificates("Collection"));
// gen.AddCrls(parser.GetCrls("Collection"));
if (x509AttrCerts != null)
{
gen.AddAttributeCertificates(x509AttrCerts);
}
if (x509Certs != null)
{
gen.AddCertificates(x509Certs);
}
if (x509Crls != null)
{
gen.AddCrls(x509Crls);
}
gen.AddSigners(parser.GetSignerInfos());
}
return outStr;
}