/// <summary><inheritDoc></inheritDoc></summary>
/// <exception cref="System.IO.IOException"></exception>
protected override Document SignDocumentInternal(Document document, SignatureParameters parameters,
DigestSigner signer)
{
if (parameters.SignaturePackaging != SignaturePackaging.ENVELOPING &&
parameters.SignaturePackaging != SignaturePackaging.DETACHED)
{
throw new ArgumentException("Unsupported signature packaging " + parameters.SignaturePackaging);
}
ExternalDigestSigner factory = new ExternalDigestSigner(signer, parameters);
CmsSignedDataGenerator generator = CreateCMSSignedDataGenerator(
factory, parameters, GetSigningProfile(parameters), true, null);
byte[] toBeSigned = Streams.ReadAll(document.OpenStream());
var content = new CmsProcessableByteArray(toBeSigned);
CmsSignedData data = generator.Generate(content, parameters.SignaturePackaging != SignaturePackaging.DETACHED);
Document signedDocument = new CMSSignedDocument(data);
CAdESSignatureExtension extension = GetExtensionProfile(parameters);
if (extension != null)
{
signedDocument = extension.ExtendSignatures(
new CMSSignedDocument(data), document, parameters);
}
return(signedDocument);
}
public Document SignDocument(Document document, SignatureParameters parameters, DigestSigner signer)
{
return(SignDocumentInternal(document, parameters, signer));
}
protected abstract Document SignDocumentInternal(Document document, SignatureParameters parameters, DigestSigner signer);
public ExternalDigestSigner(DigestSigner signer, SignatureParameters parameters)
{
m_stream = new MemoryStream();
this.signer = signer;
m_digestAlgorithm = parameters.DigestAlgorithm;
}
