Signer using a provided pre-computed signature, used by DSS
상속: ISigner
예제 #1
0
        /// <summary><inheritDoc></inheritDoc></summary>
        /// <exception cref="System.IO.IOException"></exception>
        public virtual Document SignDocument(Document document, SignatureParameters parameters
            , byte[] signatureValue)
        {
            if (parameters.SignaturePackaging != SignaturePackaging.ENVELOPING && parameters
                .SignaturePackaging != SignaturePackaging.DETACHED)
            {
                throw new ArgumentException("Unsupported signature packaging " + parameters.SignaturePackaging);
            }
            try
            {
                //jbonilla - No aplica para C#
                //string jsAlgorithm = parameters.GetSignatureAlgorithm().GetJavaSignatureAlgorithm
                //    (parameters.GetDigestAlgorithm());
                //PreComputedContentSigner cs = new PreComputedContentSigner(jsAlgorithm, signatureValue
                //    );
                PreComputedSigner s = new PreComputedSigner(signatureValue);

                //DigestCalculatorProvider digestCalculatorProvider = new BcDigestCalculatorProvider
                //    ();
                //CMSSignedDataGenerator generator = CreateCMSSignedDataGenerator(cs, digestCalculatorProvider
                //    , parameters, GetSigningProfile(parameters), true, null);
                CmsSignedDataGenerator generator = CreateCMSSignedDataGenerator(s, parameters
                    , GetSigningProfile(parameters), true, null);
                byte[] toBeSigned = Streams.ReadAll(document.OpenStream());
                CmsProcessableByteArray content = new CmsProcessableByteArray(toBeSigned);
                bool includeContent = true;
                if (parameters.SignaturePackaging == SignaturePackaging.DETACHED)
                {
                    includeContent = false;
                }
                CmsSignedData data = generator.Generate(content, includeContent);
                Document signedDocument = new CMSSignedDocument(data);
                CAdESSignatureExtension extension = GetExtensionProfile(parameters);
                if (extension != null)
                {
                    signedDocument = extension.ExtendSignatures(new CMSSignedDocument(data), document
                        , parameters);
                }
                return signedDocument;
            }
            catch (CmsException e)
            {
                throw new RuntimeException(e);
            }
        }
예제 #2
0
        /// <summary>Add a signature to the already CMS signed data document.</summary>
        /// <remarks>Add a signature to the already CMS signed data document.</remarks>
        /// <param name="_signedDocument"></param>
        /// <param name="parameters"></param>
        /// <param name="signatureValue"></param>
        /// <returns></returns>
        /// <exception cref="System.IO.IOException">System.IO.IOException</exception>
        public virtual Document AddASignatureToDocument(Document _signedDocument, SignatureParameters
             parameters, byte[] signatureValue)
        {
            if (parameters.SignaturePackaging != SignaturePackaging.ENVELOPING)
            {
                throw new ArgumentException("Unsupported signature packaging " + parameters.SignaturePackaging);
            }
            try
            {
                CmsSignedData originalSignedData = null;
                using (var stream = _signedDocument.OpenStream())
                {
                    originalSignedData = new CmsSignedData(stream);
                }

                //jbonilla - No aplica para C#
                //string jsAlgorithm = parameters.GetSignatureAlgorithm().GetJavaSignatureAlgorithm
                //    (parameters.GetDigestAlgorithm());
                //PreComputedContentSigner cs = new PreComputedContentSigner(jsAlgorithm, signatureValue
                //    );
                PreComputedSigner s = new PreComputedSigner(signatureValue);
                //DigestCalculatorProvider digestCalculatorProvider = new BcDigestCalculatorProvider
                //    ();
                //CMSSignedDataGenerator generator = CreateCMSSignedDataGenerator(cs, digestCalculatorProvider
                //    , parameters, GetSigningProfile(parameters), true, originalSignedData);
                CmsSignedDataGenerator generator = CreateCMSSignedDataGenerator(s, parameters
                    , GetSigningProfile(parameters), true, originalSignedData);

                //if (originalSignedData == null || originalSignedData.SignedContent.GetContent
                //    () == null)                
                if (originalSignedData == null || originalSignedData.SignedContent == null)
                {
                    throw new RuntimeException("Cannot retrieve orignal content");
                }
                //byte[] octetString = (byte[])originalSignedData.SignedContent.GetContent();
                //CmsProcessableByteArray content = new CmsProcessableByteArray(octetString);
                CmsProcessable content = originalSignedData.SignedContent;
                CmsSignedData data = generator.Generate(content, true);
                Document signedDocument = new CMSSignedDocument(data);
                CAdESSignatureExtension extension = GetExtensionProfile(parameters);
                if (extension != null)
                {
                    signedDocument = extension.ExtendSignatures(new CMSSignedDocument(data), null, parameters);
                }
                return signedDocument;
            }
            catch (CmsException e)
            {
                throw new RuntimeException(e);
            }
        }
예제 #3
0
        /// <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);
            }
        }