Example usage for javax.xml.crypto.dsig SignedInfo getReferences

List of usage examples for javax.xml.crypto.dsig SignedInfo getReferences

Introduction

In this page you can find the example usage for javax.xml.crypto.dsig SignedInfo getReferences.

Prototype

List<Reference> getReferences();

Source Link

Document

Returns an java.util.Collections#unmodifiableList unmodifiable list of one or more Reference s.

Usage

From source file:be.fedict.eid.dss.spi.utils.XAdESUtils.java

@SuppressWarnings("unchecked")
public static String findReferenceUri(XMLSignature xmlSignature, String type) {

    SignedInfo signedInfo = xmlSignature.getSignedInfo();
    List<Reference> references = signedInfo.getReferences();
    for (Reference reference : references) {
        if (type.equals(reference.getType())) {
            return reference.getURI();
        }/*from ww w  .ja v a2  s  . co  m*/
    }

    return null;
}

From source file:be.fedict.eid.dss.document.odf.ODFDSSDocumentService.java

private void checkIntegrity(XMLSignature xmlSignature, byte[] document, byte[] originalDocument)
        throws IOException {
    if (null != originalDocument) {
        throw new IllegalArgumentException("cannot perform original document verifications");
    }//from www.  j a va 2 s.co m
    Set<String> dsReferenceUris = new HashSet<String>();
    SignedInfo signedInfo = xmlSignature.getSignedInfo();
    @SuppressWarnings("unchecked")
    List<Reference> references = signedInfo.getReferences();
    for (Reference reference : references) {
        String referenceUri = reference.getURI();
        dsReferenceUris.add(referenceUri);
    }
    ZipInputStream odfZipInputStream = new ZipInputStream(new ByteArrayInputStream(document));
    ZipEntry zipEntry;
    while (null != (zipEntry = odfZipInputStream.getNextEntry())) {
        if (false == ODFUtil.isToBeSigned(zipEntry)) {
            continue;
        }
        String uri = zipEntry.getName().replaceAll(" ", "%20");
        if (false == dsReferenceUris.contains(uri)) {
            LOG.warn("no ds:Reference for ODF entry: " + zipEntry.getName());
            throw new RuntimeException("no ds:Reference for ODF entry: " + zipEntry.getName());
        }
    }
}

From source file:be.fedict.eid.dss.document.asic.ASiCDSSDocumentService.java

@Override
public List<SignatureInfo> verifySignatures(byte[] document, byte[] originalDocument) throws Exception {
    if (null != originalDocument) {
        throw new IllegalArgumentException("cannot perform original document verifications");
    }// ww  w .  ja va2 s  .c  om
    ZipInputStream zipInputStream = new ZipInputStream(new ByteArrayInputStream(document));
    ZipEntry zipEntry;
    while (null != (zipEntry = zipInputStream.getNextEntry())) {
        if (ASiCUtil.isSignatureZipEntry(zipEntry)) {
            break;
        }
    }
    List<SignatureInfo> signatureInfos = new LinkedList<SignatureInfo>();
    if (null == zipEntry) {
        return signatureInfos;
    }
    XAdESValidation xadesValidation = new XAdESValidation(this.documentContext);
    Document documentSignaturesDocument = ODFUtil.loadDocument(zipInputStream);
    NodeList signatureNodeList = documentSignaturesDocument.getElementsByTagNameNS(XMLSignature.XMLNS,
            "Signature");
    for (int idx = 0; idx < signatureNodeList.getLength(); idx++) {
        Element signatureElement = (Element) signatureNodeList.item(idx);
        xadesValidation.prepareDocument(signatureElement);
        KeyInfoKeySelector keySelector = new KeyInfoKeySelector();
        DOMValidateContext domValidateContext = new DOMValidateContext(keySelector, signatureElement);
        ASiCURIDereferencer dereferencer = new ASiCURIDereferencer(document);
        domValidateContext.setURIDereferencer(dereferencer);

        XMLSignatureFactory xmlSignatureFactory = XMLSignatureFactory.getInstance();
        XMLSignature xmlSignature = xmlSignatureFactory.unmarshalXMLSignature(domValidateContext);
        boolean valid = xmlSignature.validate(domValidateContext);
        if (!valid) {
            continue;
        }

        // check whether all files have been signed properly
        SignedInfo signedInfo = xmlSignature.getSignedInfo();
        @SuppressWarnings("unchecked")
        List<Reference> references = signedInfo.getReferences();
        Set<String> referenceUris = new HashSet<String>();
        for (Reference reference : references) {
            String referenceUri = reference.getURI();
            referenceUris.add(URLDecoder.decode(referenceUri, "UTF-8"));
        }
        zipInputStream = new ZipInputStream(new ByteArrayInputStream(document));
        while (null != (zipEntry = zipInputStream.getNextEntry())) {
            if (ASiCUtil.isSignatureZipEntry(zipEntry)) {
                continue;
            }
            if (false == referenceUris.contains(zipEntry.getName())) {
                LOG.warn("no ds:Reference for ASiC entry: " + zipEntry.getName());
                return signatureInfos;
            }
        }

        X509Certificate signer = keySelector.getCertificate();
        SignatureInfo signatureInfo = xadesValidation.validate(documentSignaturesDocument, xmlSignature,
                signatureElement, signer);
        signatureInfos.add(signatureInfo);
    }
    return signatureInfos;
}

From source file:be.fedict.eid.dss.document.xml.XMLDSSDocumentService.java

private void verifyCoSignatureReference(XMLSignature xmlSignature, Document originalDomDocument)
        throws XMLSecurityException, TransformationException, XMLSignatureException,
        ReferenceNotInitializedException, Base64DecodingException {
    SignedInfo signedInfo = xmlSignature.getSignedInfo();
    @SuppressWarnings("unchecked")
    List<Reference> references = signedInfo.getReferences();
    for (Reference reference : references) {
        LOG.debug("reference type: " + reference.getType());
        if (null != reference.getType()) {
            /*// ww w  .j a va2 s. c o  m
             * We skip XAdES and eID identity ds:Reference.
             */
            continue;
        }
        String digestAlgo = reference.getDigestMethod().getAlgorithm();
        LOG.debug("ds:Reference digest algo: " + digestAlgo);
        byte[] digestValue = reference.getDigestValue();

        // xmlsec 1.5 changed the constructor
        org.apache.xml.security.signature.XMLSignature xmldsig = new org.apache.xml.security.signature.XMLSignature(
                originalDomDocument, "",
                org.apache.xml.security.signature.XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA512,
                Canonicalizer.ALGO_ID_C14N_EXCL_WITH_COMMENTS);

        Transforms transforms = new Transforms(originalDomDocument);

        // XPath v1 - slow
        //            XPathContainer xpath = new XPathContainer(originalDomDocument);
        //         xpath.setXPathNamespaceContext("ds", Constants.SignatureSpecNS);
        //         xpath.setXPath("not(ancestor-or-self::ds:Signature)");
        //         transforms.addTransform(Transforms.TRANSFORM_XPATH,
        //               xpath.getElementPlusReturns());

        // XPath v2 - fast
        XPath2FilterContainer xpath = XPath2FilterContainer.newInstanceSubtract(originalDomDocument,
                "/descendant::*[name()='ds:Signature']");
        xpath.setXPathNamespaceContext("ds", Constants.SignatureSpecNS);
        transforms.addTransform(Transforms.TRANSFORM_XPATH2FILTER, xpath.getElementPlusReturns());

        transforms.addTransform(Transforms.TRANSFORM_C14N_EXCL_OMIT_COMMENTS);
        xmldsig.addDocument("", transforms, digestAlgo);

        org.apache.xml.security.signature.SignedInfo apacheSignedInfo = xmldsig.getSignedInfo();
        org.apache.xml.security.signature.Reference apacheReference = apacheSignedInfo.item(0);
        apacheReference.generateDigestValue();
        byte[] originalDigestValue = apacheReference.getDigestValue();
        if (false == Arrays.equals(originalDigestValue, digestValue)) {
            throw new RuntimeException("not original document");
        }
        LOG.debug("co-signature ds:Reference checked");
    }
}

From source file:be.fedict.eid.dss.document.zip.ZIPDSSDocumentService.java

@Override
public List<SignatureInfo> verifySignatures(byte[] document, byte[] originalDocument) throws Exception {
    ZipInputStream zipInputStream = new ZipInputStream(new ByteArrayInputStream(document));
    ZipEntry zipEntry;//from   w  w  w . ja v  a  2 s  . c  o m
    while (null != (zipEntry = zipInputStream.getNextEntry())) {
        if (ODFUtil.isSignatureFile(zipEntry)) {
            break;
        }
    }
    List<SignatureInfo> signatureInfos = new LinkedList<SignatureInfo>();
    if (null == zipEntry) {
        return signatureInfos;
    }
    XAdESValidation xadesValidation = new XAdESValidation(this.documentContext);
    Document documentSignaturesDocument = ODFUtil.loadDocument(zipInputStream);
    NodeList signatureNodeList = documentSignaturesDocument.getElementsByTagNameNS(XMLSignature.XMLNS,
            "Signature");
    for (int idx = 0; idx < signatureNodeList.getLength(); idx++) {
        Element signatureElement = (Element) signatureNodeList.item(idx);
        xadesValidation.prepareDocument(signatureElement);

        KeyInfoKeySelector keySelector = new KeyInfoKeySelector();
        DOMValidateContext domValidateContext = new DOMValidateContext(keySelector, signatureElement);
        ZIPURIDereferencer dereferencer = new ZIPURIDereferencer(document);
        domValidateContext.setURIDereferencer(dereferencer);

        XMLSignatureFactory xmlSignatureFactory = XMLSignatureFactory.getInstance();
        XMLSignature xmlSignature = xmlSignatureFactory.unmarshalXMLSignature(domValidateContext);
        boolean valid = xmlSignature.validate(domValidateContext);
        if (!valid) {
            continue;
        }

        // check whether all files have been signed properly
        SignedInfo signedInfo = xmlSignature.getSignedInfo();
        @SuppressWarnings("unchecked")
        List<Reference> references = signedInfo.getReferences();
        Set<String> referenceUris = new HashSet<String>();
        for (Reference reference : references) {
            String referenceUri = reference.getURI();
            referenceUris.add(URLDecoder.decode(referenceUri, "UTF-8"));
        }
        zipInputStream = new ZipInputStream(new ByteArrayInputStream(document));
        while (null != (zipEntry = zipInputStream.getNextEntry())) {
            if (ODFUtil.isSignatureFile(zipEntry)) {
                continue;
            }
            if (!referenceUris.contains(zipEntry.getName())) {
                LOG.warn("no ds:Reference for ZIP entry: " + zipEntry.getName());
                return signatureInfos;
            }
        }

        if (null != originalDocument) {
            for (Reference reference : references) {
                if (null != reference.getType()) {
                    /*
                       * We skip XAdES and eID identity ds:Reference.
                       */
                    continue;
                }
                String digestAlgo = reference.getDigestMethod().getAlgorithm();
                LOG.debug("ds:Reference digest algo: " + digestAlgo);
                String referenceUri = reference.getURI();
                LOG.debug("ds:Reference URI: " + referenceUri);
                byte[] digestValue = reference.getDigestValue();

                org.apache.xml.security.signature.XMLSignature xmldsig = new org.apache.xml.security.signature.XMLSignature(
                        documentSignaturesDocument, "",
                        org.apache.xml.security.signature.XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA512,
                        Canonicalizer.ALGO_ID_C14N_EXCL_WITH_COMMENTS);
                xmldsig.addDocument(referenceUri, null, digestAlgo);
                ResourceResolverSpi zipResourceResolver = new ZIPResourceResolver(originalDocument);
                xmldsig.addResourceResolver(zipResourceResolver);
                org.apache.xml.security.signature.SignedInfo apacheSignedInfo = xmldsig.getSignedInfo();
                org.apache.xml.security.signature.Reference apacheReference = apacheSignedInfo.item(0);
                apacheReference.generateDigestValue();
                byte[] originalDigestValue = apacheReference.getDigestValue();
                if (!Arrays.equals(originalDigestValue, digestValue)) {
                    throw new RuntimeException("not original document");
                }
            }
            /*
             * So we already checked whether no files were changed, and that
             * no files were added compared to the original document. Still
             * have to check whether no files were removed.
             */
            ZipInputStream originalZipInputStream = new ZipInputStream(
                    new ByteArrayInputStream(originalDocument));
            ZipEntry originalZipEntry;
            Set<String> referencedEntryNames = new HashSet<String>();
            for (Reference reference : references) {
                if (null != reference.getType()) {
                    continue;
                }
                referencedEntryNames.add(reference.getURI());
            }
            while (null != (originalZipEntry = originalZipInputStream.getNextEntry())) {
                if (ODFUtil.isSignatureFile(originalZipEntry)) {
                    continue;
                }
                if (!referencedEntryNames.contains(originalZipEntry.getName())) {
                    LOG.warn("missing ds:Reference for ZIP entry: " + originalZipEntry.getName());
                    throw new RuntimeException(
                            "missing ds:Reference for ZIP entry: " + originalZipEntry.getName());
                }
            }
        }

        X509Certificate signer = keySelector.getCertificate();
        SignatureInfo signatureInfo = xadesValidation.validate(documentSignaturesDocument, xmlSignature,
                signatureElement, signer);
        signatureInfos.add(signatureInfo);
    }
    return signatureInfos;
}

From source file:be.fedict.eid.applet.service.signer.AbstractXmlSignatureService.java

@SuppressWarnings("unchecked")
private byte[] getXmlSignatureDigestValue(DigestAlgo digestAlgo, List<DigestInfo> digestInfos,
        List<X509Certificate> signingCertificateChain)
        throws ParserConfigurationException, NoSuchAlgorithmException, InvalidAlgorithmParameterException,
        MarshalException, javax.xml.crypto.dsig.XMLSignatureException, TransformerFactoryConfigurationError,
        TransformerException, IOException, SAXException {
    /*/*from w w w . j  av a 2  s .co m*/
     * DOM Document construction.
     */
    Document document = getEnvelopingDocument();
    if (null == document) {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        document = documentBuilder.newDocument();
    }

    /*
     * Signature context construction.
     */
    Key key = new Key() {
        private static final long serialVersionUID = 1L;

        public String getAlgorithm() {
            return null;
        }

        public byte[] getEncoded() {
            return null;
        }

        public String getFormat() {
            return null;
        }
    };
    XMLSignContext xmlSignContext = new DOMSignContext(key, document);
    URIDereferencer uriDereferencer = getURIDereferencer();
    if (null != uriDereferencer) {
        xmlSignContext.setURIDereferencer(uriDereferencer);
    }

    if (null != this.signatureNamespacePrefix) {
        /*
         * OOo doesn't like ds namespaces so per default prefixing is off.
         */
        xmlSignContext.putNamespacePrefix(javax.xml.crypto.dsig.XMLSignature.XMLNS,
                this.signatureNamespacePrefix);
    }

    XMLSignatureFactory signatureFactory = XMLSignatureFactory.getInstance("DOM",
            new org.apache.jcp.xml.dsig.internal.dom.XMLDSigRI());

    /*
     * Add ds:References that come from signing client local files.
     */
    List<Reference> references = new LinkedList<Reference>();
    addDigestInfosAsReferences(digestInfos, signatureFactory, references);

    /*
     * Invoke the signature facets.
     */
    String localSignatureId;
    if (null == this.signatureId) {
        localSignatureId = "xmldsig-" + UUID.randomUUID().toString();
    } else {
        localSignatureId = this.signatureId;
    }
    List<XMLObject> objects = new LinkedList<XMLObject>();
    for (SignatureFacet signatureFacet : this.signatureFacets) {
        LOG.debug("invoking signature facet: " + signatureFacet.getClass().getSimpleName());
        signatureFacet.preSign(signatureFactory, document, localSignatureId, signingCertificateChain,
                references, objects);
    }

    /*
     * ds:SignedInfo
     */
    SignatureMethod signatureMethod = signatureFactory.newSignatureMethod(getSignatureMethod(digestAlgo), null);
    CanonicalizationMethod canonicalizationMethod = signatureFactory
            .newCanonicalizationMethod(getCanonicalizationMethod(), (C14NMethodParameterSpec) null);
    SignedInfo signedInfo = signatureFactory.newSignedInfo(canonicalizationMethod, signatureMethod, references);

    /*
     * JSR105 ds:Signature creation
     */
    String signatureValueId = localSignatureId + "-signature-value";
    javax.xml.crypto.dsig.XMLSignature xmlSignature = signatureFactory.newXMLSignature(signedInfo, null,
            objects, localSignatureId, signatureValueId);

    /*
     * ds:Signature Marshalling.
     */
    DOMXMLSignature domXmlSignature = (DOMXMLSignature) xmlSignature;
    Node documentNode = document.getDocumentElement();
    if (null == documentNode) {
        /*
         * In case of an empty DOM document.
         */
        documentNode = document;
    }
    domXmlSignature.marshal(documentNode, this.signatureNamespacePrefix, (DOMCryptoContext) xmlSignContext);

    /*
     * Completion of undigested ds:References in the ds:Manifests.
     */
    for (XMLObject object : objects) {
        LOG.debug("object java type: " + object.getClass().getName());
        List<XMLStructure> objectContentList = object.getContent();
        for (XMLStructure objectContent : objectContentList) {
            LOG.debug("object content java type: " + objectContent.getClass().getName());
            if (false == objectContent instanceof Manifest) {
                continue;
            }
            Manifest manifest = (Manifest) objectContent;
            List<Reference> manifestReferences = manifest.getReferences();
            for (Reference manifestReference : manifestReferences) {
                if (null != manifestReference.getDigestValue()) {
                    continue;
                }
                DOMReference manifestDOMReference = (DOMReference) manifestReference;
                manifestDOMReference.digest(xmlSignContext);
            }
        }
    }

    /*
     * Completion of undigested ds:References.
     */
    List<Reference> signedInfoReferences = signedInfo.getReferences();
    for (Reference signedInfoReference : signedInfoReferences) {
        DOMReference domReference = (DOMReference) signedInfoReference;
        if (null != domReference.getDigestValue()) {
            // ds:Reference with external digest value
            continue;
        }
        domReference.digest(xmlSignContext);
    }

    /*
     * Store the intermediate XML signature document.
     */
    TemporaryDataStorage temporaryDataStorage = getTemporaryDataStorage();
    OutputStream tempDocumentOutputStream = temporaryDataStorage.getTempOutputStream();
    writeDocument(document, tempDocumentOutputStream);
    temporaryDataStorage.setAttribute(SIGNATURE_ID_ATTRIBUTE, localSignatureId);

    /*
     * Calculation of XML signature digest value.
     */
    DOMSignedInfo domSignedInfo = (DOMSignedInfo) signedInfo;
    ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
    domSignedInfo.canonicalize(xmlSignContext, dataStream);
    byte[] octets = dataStream.toByteArray();

    /*
     * TODO: we could be using DigestOutputStream here to optimize memory
     * usage.
     */

    MessageDigest jcaMessageDigest = MessageDigest.getInstance(digestAlgo.getAlgoId());
    byte[] digestValue = jcaMessageDigest.digest(octets);
    return digestValue;
}

From source file:es.gob.afirma.signers.ooxml.be.fedict.eid.applet.service.signer.AbstractXmlSignatureService.java

@SuppressWarnings("unchecked")
private byte[] getSignedXML(final String digestAlgo, final List<DigestInfo> digestInfos,
        final List<X509Certificate> signingCertificateChain, final PrivateKey signingKey)
        throws ParserConfigurationException, NoSuchAlgorithmException, InvalidAlgorithmParameterException,
        MarshalException, javax.xml.crypto.dsig.XMLSignatureException, TransformerException, IOException,
        SAXException {//from www .j av a  2 s  .  c o  m
    // DOM Document construction.
    Document document = getEnvelopingDocument();
    if (null == document) {
        final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        document = documentBuilderFactory.newDocumentBuilder().newDocument();
    }

    final XMLSignContext xmlSignContext = new DOMSignContext(signingKey, document);
    final URIDereferencer uriDereferencer = getURIDereferencer();
    if (null != uriDereferencer) {
        xmlSignContext.setURIDereferencer(uriDereferencer);
    }

    final XMLSignatureFactory signatureFactory = XMLSignatureFactory.getInstance("DOM", //$NON-NLS-1$
            new org.jcp.xml.dsig.internal.dom.XMLDSigRI());

    // Add ds:References that come from signing client local files.
    final List<Reference> references = new LinkedList<Reference>();
    addDigestInfosAsReferences(digestInfos, signatureFactory, references);

    // Invoke the signature facets.
    final String signatureId = "xmldsig-" + UUID.randomUUID().toString(); //$NON-NLS-1$
    final List<XMLObject> objects = new LinkedList<XMLObject>();
    for (final SignatureFacet signatureFacet : this.signatureFacets) {
        signatureFacet.preSign(signatureFactory, document, signatureId, signingCertificateChain, references,
                objects);
    }

    // ds:SignedInfo
    final SignatureMethod signatureMethod = signatureFactory.newSignatureMethod(getSignatureMethod(digestAlgo),
            null);
    final SignedInfo signedInfo = signatureFactory.newSignedInfo(signatureFactory.newCanonicalizationMethod(
            getCanonicalizationMethod(), (C14NMethodParameterSpec) null), signatureMethod, references);

    // Creamos el KeyInfo
    final KeyInfoFactory kif = signatureFactory.getKeyInfoFactory();
    final List<Object> x509Content = new ArrayList<Object>();
    x509Content.add(signingCertificateChain.get(0));

    final List<Object> content = new ArrayList<Object>();
    try {
        content.add(kif.newKeyValue(signingCertificateChain.get(0).getPublicKey()));
    } catch (final Exception e) {
        Logger.getLogger("es.gob.afirma") //$NON-NLS-1$
                .severe("Error creando el KeyInfo, la informacion puede resultar incompleta: " + e); //$NON-NLS-1$
    }
    content.add(kif.newX509Data(x509Content));

    // JSR105 ds:Signature creation
    final String signatureValueId = signatureId + "-signature-value"; //$NON-NLS-1$
    final javax.xml.crypto.dsig.XMLSignature xmlSignature = signatureFactory.newXMLSignature(signedInfo,
            kif.newKeyInfo(content), // KeyInfo
            objects, signatureId, signatureValueId);

    // ds:Signature Marshalling.
    final DOMXMLSignature domXmlSignature = (DOMXMLSignature) xmlSignature;
    Node documentNode = document.getDocumentElement();
    if (null == documentNode) {
        documentNode = document; // In case of an empty DOM document.
    }
    final String dsPrefix = null;
    domXmlSignature.marshal(documentNode, dsPrefix, (DOMCryptoContext) xmlSignContext);

    // Completion of undigested ds:References in the ds:Manifests.
    for (final XMLObject object : objects) {

        final List<XMLStructure> objectContentList = object.getContent();
        for (final XMLStructure objectContent : objectContentList) {
            if (!(objectContent instanceof Manifest)) {
                continue;
            }
            final Manifest manifest = (Manifest) objectContent;
            final List<Reference> manifestReferences = manifest.getReferences();
            for (final Reference manifestReference : manifestReferences) {
                if (null != manifestReference.getDigestValue()) {
                    continue;
                }
                final DOMReference manifestDOMReference = (DOMReference) manifestReference;
                manifestDOMReference.digest(xmlSignContext);
            }
        }
    }

    // Completion of undigested ds:References.
    final List<Reference> signedInfoReferences = signedInfo.getReferences();
    for (final Reference signedInfoReference : signedInfoReferences) {
        final DOMReference domReference = (DOMReference) signedInfoReference;
        if (null != domReference.getDigestValue()) {
            // ds:Reference with external digest value
            continue;
        }
        domReference.digest(xmlSignContext);
    }

    // Calculation of signature
    final DOMSignedInfo domSignedInfo = (DOMSignedInfo) signedInfo;
    final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
    domSignedInfo.canonicalize(xmlSignContext, dataStream);
    final byte[] octets = dataStream.toByteArray();
    final Signature sig = Signature.getInstance(digestAlgo.replace("-", "") + "withRSA"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    final byte[] sigBytes;
    try {
        sig.initSign(signingKey);
        sig.update(octets);
        sigBytes = sig.sign();
    } catch (final Exception e) {
        throw new javax.xml.crypto.dsig.XMLSignatureException(
                "Error en la firma PKCS#1 ('" + digestAlgo + "withRSA): " + e); //$NON-NLS-1$ //$NON-NLS-2$
    }

    // Sacamos el pre-XML a un OutputStream
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    writeDocument(document, baos);

    // Ya tenemos el XML, con la firma vacia y el SignatureValue, cada uno
    // por su lado...
    return postSign(baos.toByteArray(), signingCertificateChain, signatureId, sigBytes);

}

From source file:org.apache.jcp.xml.dsig.internal.dom.DOMSignedInfo.java

@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }/*from  w w w.  j a v  a 2s . c o  m*/

    if (!(o instanceof SignedInfo)) {
        return false;
    }
    SignedInfo osi = (SignedInfo) o;

    boolean idEqual = (id == null ? osi.getId() == null : id.equals(osi.getId()));

    return (canonicalizationMethod.equals(osi.getCanonicalizationMethod())
            && signatureMethod.equals(osi.getSignatureMethod()) && references.equals(osi.getReferences())
            && idEqual);
}