public static CmsSignedData ReplaceSigners(CmsSignedData signedData, SignerInformationStore signerInformationStore)
{
CmsSignedData cmsSignedData = new CmsSignedData(signedData);
cmsSignedData.signerInfoStore = signerInformationStore;
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
Asn1EncodableVector asn1EncodableVector2 = new Asn1EncodableVector();
foreach (SignerInformation signer in signerInformationStore.GetSigners())
{
asn1EncodableVector.Add(Helper.FixAlgID(signer.DigestAlgorithmID));
asn1EncodableVector2.Add(signer.ToSignerInfo());
}
Asn1Set asn1Set = new DerSet(asn1EncodableVector);
Asn1Set asn1Set2 = new DerSet(asn1EncodableVector2);
Asn1Sequence asn1Sequence = (Asn1Sequence)signedData.signedData.ToAsn1Object();
asn1EncodableVector2 = new Asn1EncodableVector(asn1Sequence[0], asn1Set);
for (int i = 2; i != asn1Sequence.Count - 1; i++)
{
asn1EncodableVector2.Add(asn1Sequence[i]);
}
asn1EncodableVector2.Add(asn1Set2);
cmsSignedData.signedData = SignedData.GetInstance(new BerSequence(asn1EncodableVector2));
cmsSignedData.contentInfo = new ContentInfo(cmsSignedData.contentInfo.ContentType, cmsSignedData.signedData);
return(cmsSignedData);
}
/**
* generate a signed object that for a CMS Signed Data
* object - if encapsulate is true a copy
* of the message will be included in the signature. The content type
* is set according to the OID represented by the string signedContentType.
*/
public CmsSignedData Generate(
string signedContentType,
CmsProcessable content,
bool encapsulate)
{
Asn1EncodableVector digestAlgs = new Asn1EncodableVector();
Asn1EncodableVector signerInfos = new Asn1EncodableVector();
_digests.Clear(); // clear the current preserved digest state
//
// add the precalculated SignerInfo objects.
//
foreach (SignerInformation signer in _signers)
{
digestAlgs.Add(Helper.FixAlgID(signer.DigestAlgorithmID));
signerInfos.Add(signer.ToSignerInfo());
}
//
// add the SignerInfo objects
//
bool isCounterSignature = (signedContentType == null);
DerObjectIdentifier contentTypeOID = isCounterSignature
? CmsObjectIdentifiers.Data
: new DerObjectIdentifier(signedContentType);
foreach (SignerInf signer in signerInfs)
{
try
{
digestAlgs.Add(signer.DigestAlgorithmID);
signerInfos.Add(signer.ToSignerInfo(contentTypeOID, content, rand, isCounterSignature));
}
catch (IOException e)
{
throw new CmsException("encoding error.", e);
}
catch (InvalidKeyException e)
{
throw new CmsException("key inappropriate for signature.", e);
}
catch (SignatureException e)
{
throw new CmsException("error creating signature.", e);
}
catch (CertificateEncodingException e)
{
throw new CmsException("error creating sid.", e);
}
}
Asn1Set certificates = null;
if (_certs.Count != 0)
{
certificates = CmsUtilities.CreateBerSetFromList(_certs);
}
Asn1Set certrevlist = null;
if (_crls.Count != 0)
{
certrevlist = CmsUtilities.CreateBerSetFromList(_crls);
}
Asn1OctetString octs = null;
if (encapsulate)
{
MemoryStream bOut = new MemoryStream();
if (content != null)
{
try
{
content.Write(bOut);
}
catch (IOException e)
{
throw new CmsException("encapsulation error.", e);
}
}
octs = new BerOctetString(bOut.ToArray());
}
ContentInfo encInfo = new ContentInfo(contentTypeOID, octs);
SignedData sd = new SignedData(
new DerSet(digestAlgs),
encInfo,
certificates,
certrevlist,
new DerSet(signerInfos));
ContentInfo contentInfo = new ContentInfo(CmsObjectIdentifiers.SignedData, sd);
return(new CmsSignedData(content, contentInfo));
}
public CmsSignedData Generate(string signedContentType, CmsProcessable content, bool encapsulate)
{
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
Asn1EncodableVector asn1EncodableVector2 = new Asn1EncodableVector();
_digests.Clear();
foreach (SignerInformation signer in _signers)
{
asn1EncodableVector.Add(Helper.FixAlgID(signer.DigestAlgorithmID));
asn1EncodableVector2.Add(signer.ToSignerInfo());
}
DerObjectIdentifier contentType = (signedContentType == null) ? null : new DerObjectIdentifier(signedContentType);
foreach (SignerInf signerInf in signerInfs)
{
try
{
asn1EncodableVector.Add(signerInf.DigestAlgorithmID);
asn1EncodableVector2.Add(signerInf.ToSignerInfo(contentType, content, rand));
}
catch (IOException e)
{
throw new CmsException("encoding error.", e);
}
catch (InvalidKeyException e2)
{
throw new CmsException("key inappropriate for signature.", e2);
}
catch (SignatureException e3)
{
throw new CmsException("error creating signature.", e3);
}
catch (CertificateEncodingException e4)
{
throw new CmsException("error creating sid.", e4);
}
}
Asn1Set certificates = null;
if (_certs.Count != 0)
{
certificates = CmsUtilities.CreateBerSetFromList(_certs);
}
Asn1Set crls = null;
if (_crls.Count != 0)
{
crls = CmsUtilities.CreateBerSetFromList(_crls);
}
Asn1OctetString content2 = null;
if (encapsulate)
{
MemoryStream memoryStream = new MemoryStream();
if (content != null)
{
try
{
content.Write(memoryStream);
}
catch (IOException e5)
{
throw new CmsException("encapsulation error.", e5);
}
}
content2 = new BerOctetString(memoryStream.ToArray());
}
ContentInfo contentInfo = new ContentInfo(contentType, content2);
SignedData content3 = new SignedData(new DerSet(asn1EncodableVector), contentInfo, certificates, crls, new DerSet(asn1EncodableVector2));
ContentInfo sigData = new ContentInfo(CmsObjectIdentifiers.SignedData, content3);
return(new CmsSignedData(content, sigData));
}
