/// <exception cref="System.IO.IOException"></exception>
public virtual Stream ToBeSigned(Document document, SignatureParameters parameters
)
{
if (parameters.SignaturePackaging != SignaturePackaging.ENVELOPING && parameters
.SignaturePackaging != SignaturePackaging.DETACHED)
{
throw new ArgumentException("Unsupported signature packaging " + parameters.SignaturePackaging);
}
//jbonilla - No aplica para C#
//SignatureInterceptorProvider provider = new SignatureInterceptorProvider();
//Security.AddProvider(provider);
//string jsAlgorithm = parameters.GetSignatureAlgorithm().GetJavaSignatureAlgorithm
// (parameters.GetDigestAlgorithm());
//PreComputedContentSigner contentSigner = new PreComputedContentSigner(jsAlgorithm
// );
PreComputedSigner signer = new PreComputedSigner();
//CmsSignedDataGenerator generator = CreateCMSSignedDataGenerator(contentSigner, digestCalculatorProvider
// , parameters, GetSigningProfile(parameters), false, null);
CmsSignedDataGenerator generator = CreateCMSSignedDataGenerator
(signer, parameters, GetSigningProfile(parameters), false, null);
byte[] toBeSigned = Streams.ReadAll(document.OpenStream());
CmsProcessableByteArray content = new CmsProcessableByteArray(toBeSigned);
try
{
bool includeContent = true;
if (parameters.SignaturePackaging == SignaturePackaging.DETACHED)
{
includeContent = false;
}
CmsSignedData signed = generator.Generate(content, includeContent);
//jbonilla - El ISigner devuelve el mismo hash sin firmar para permitir
//la generación de la firma por un medio externo, como un token.
/*return new ByteArrayInputStream(contentSigner.GetByteOutputStream().ToByteArray());*/
return new MemoryStream(signer.CurrentSignature());
}
catch (CmsException e)
{
throw new IOException("CmsException", e);
}
}
