Examples of javax.xml.crypto.dsig.XMLSignature

javax.xml.crypto.dsig.XMLSignature
3.org/TR/xmldsig-core/"> W3C Recommendation for XML-Signature Syntax and Processing. This class contains methods for signing and validating XML signatures with behavior as defined by the W3C specification. The XML Schema Definition is defined as:
```
 <element name="Signature" type="ds:SignatureType"/> <complexType name="SignatureType"> <sequence>  <element ref="ds:SignedInfo"/>  <element ref="ds:SignatureValue"/>  <element ref="ds:KeyInfo" minOccurs="0"/>  <element ref="ds:Object" minOccurs="0" maxOccurs="unbounded"/>  </sequence>   <attribute name="Id" type="ID" use="optional"/> </complexType> 
```
An XMLSignature instance may be created by invoking one of the {@link XMLSignatureFactory#newXMLSignature newXMLSignature} methods of the{@link XMLSignatureFactory} class.
If the contents of the underlying document containing the XMLSignature are subsequently modified, the behavior is undefined.
Note that this class is named XMLSignature rather than Signature to avoid naming clashes with the existing {@link Signature java.security.Signature} class. @see XMLSignatureFactory#newXMLSignature(SignedInfo,KeyInfo) @see XMLSignatureFactory#newXMLSignature(SignedInfo,KeyInfo,List,String,String) @author Joyce L. Leung @author Sean Mullan @author Erwin van der Koogh @author JSR 105 Expert Group

        }


        X509Certificate cert = certificate.getX509Cert();
        DOMValidateContext ctx = new DOMValidateContext(cert.getPublicKey(), nodes.item(0));
        XMLSignatureFactory sigF = XMLSignatureFactory.getInstance("DOM");
        XMLSignature xmlSignature = sigF.unmarshalXMLSignature(ctx);


        return xmlSignature.validate(ctx);
    }

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                    algorithmSuiteValidator.checkSymmetricKeyLength(secretKey.length);
                }
            }
        }
        
        XMLSignature xmlSignature = 
            verifyXMLSignature(elem, certs, publicKey, secretKey, signatureMethod, data, wsDocInfo);
        byte[] signatureValue = xmlSignature.getSignatureValue().getValue();
        String c14nMethod = xmlSignature.getSignedInfo().getCanonicalizationMethod().getAlgorithm();


        List<WSDataRef> dataRefs =  
            buildProtectedRefs(
                elem.getOwnerDocument(), xmlSignature.getSignedInfo(), data, wsDocInfo
            );
        if (dataRefs.size() == 0) {
            throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK);
        }

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        context.setProperty(AttachmentContentSignatureTransform.ATTACHMENT_CALLBACKHANDLER, 
                            data.getAttachmentCallbackHandler());
        
        try {
            XMLSignature xmlSignature = signatureFactory.unmarshalXMLSignature(context);
            checkBSPCompliance(xmlSignature, data.getBSPEnforcer());
            
            // Check for compliance against the defined AlgorithmSuite
            AlgorithmSuite algorithmSuite = data.getAlgorithmSuite();
            if (algorithmSuite != null) {
                AlgorithmSuiteValidator algorithmSuiteValidator = new
                    AlgorithmSuiteValidator(algorithmSuite);
                algorithmSuiteValidator.checkSignatureAlgorithms(xmlSignature);
            }
            
            // Test for replay attacks
            testMessageReplay(elem, xmlSignature.getSignatureValue().getValue(), data, wsDocInfo);
            
            setElementsOnContext(xmlSignature, (DOMValidateContext)context, wsDocInfo, elem.getOwnerDocument());
            boolean signatureOk = xmlSignature.validate(context);
            if (signatureOk) {
                return xmlSignature;
            }
            //
            // Log the exact signature error
            //
            if (LOG.isDebugEnabled()) {
                LOG.debug("XML Signature verification has failed");
                boolean signatureValidationCheck = 
                    xmlSignature.getSignatureValue().validate(context);
                LOG.debug("Signature Validation check: " + signatureValidationCheck);
                java.util.Iterator<?> referenceIterator = 
                    xmlSignature.getSignedInfo().getReferences().iterator();
                while (referenceIterator.hasNext()) {
                    Reference reference = (Reference)referenceIterator.next();
                    boolean referenceValidationCheck = reference.validate(context);
                    String id = reference.getId();
                    if (id == null) {

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                    algorithmSuiteValidator.checkSymmetricKeyLength(secretKey.length);
                }
            }
        }
        
        XMLSignature xmlSignature = 
            verifyXMLSignature(elem, certs, publicKey, secretKey, signatureMethod, data, wsDocInfo);
        byte[] signatureValue = xmlSignature.getSignatureValue().getValue();
        String c14nMethod = xmlSignature.getSignedInfo().getCanonicalizationMethod().getAlgorithm();


        List<WSDataRef> dataRefs =  
            buildProtectedRefs(
                elem.getOwnerDocument(), xmlSignature.getSignedInfo(), data.getWssConfig(), wsDocInfo
            );
        if (dataRefs.size() == 0) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK);
        }

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        context.setProperty("javax.xml.crypto.dsig.cacheReference", Boolean.TRUE);
        context.setProperty("org.apache.jcp.xml.dsig.secureValidation", Boolean.TRUE);
        context.setProperty(STRTransform.TRANSFORM_WS_DOC_INFO, wsDocInfo);
        
        try {
            XMLSignature xmlSignature = signatureFactory.unmarshalXMLSignature(context);
            if (data.getWssConfig().isWsiBSPCompliant()) {
                checkBSPCompliance(xmlSignature);
            }
            
            // Check for compliance against the defined AlgorithmSuite
            AlgorithmSuite algorithmSuite = data.getAlgorithmSuite();
            if (algorithmSuite != null) {
                AlgorithmSuiteValidator algorithmSuiteValidator = new
                    AlgorithmSuiteValidator(algorithmSuite);
                algorithmSuiteValidator.checkSignatureAlgorithms(xmlSignature);
            }
            
            // Test for replay attacks
            testMessageReplay(elem, xmlSignature.getSignatureValue().getValue(), data, wsDocInfo);
            
            setElementsOnContext(xmlSignature, (DOMValidateContext)context, wsDocInfo, elem.getOwnerDocument());
            boolean signatureOk = xmlSignature.validate(context);
            if (signatureOk) {
                return xmlSignature;
            }
            //
            // Log the exact signature error
            //
            if (LOG.isDebugEnabled()) {
                LOG.debug("XML Signature verification has failed");
                boolean signatureValidationCheck = 
                    xmlSignature.getSignatureValue().validate(context);
                LOG.debug("Signature Validation check: " + signatureValidationCheck);
                java.util.Iterator<?> referenceIterator = 
                    xmlSignature.getSignedInfo().getReferences().iterator();
                while (referenceIterator.hasNext()) {
                    Reference reference = (Reference)referenceIterator.next();
                    boolean referenceValidationCheck = reference.validate(context);
                    String id = reference.getId();
                    if (id == null) {

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                // Not checking signature here, just marshalling into an XMLSignature
                // structure for testing the transform/digest algorithms etc.
                XMLValidateContext context = new DOMValidateContext(key, sig.getDOM());
                context.setProperty("org.apache.jcp.xml.dsig.secureValidation", Boolean.TRUE);


                XMLSignature xmlSignature;
                try {
                    xmlSignature = signatureFactory.unmarshalXMLSignature(context);
                } catch (MarshalException ex) {
                    throw new WSSecurityException(
                        WSSecurityException.FAILED_CHECK, "invalidSAMLsecurity",

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                                              fac.newSignatureMethod(SignatureMethod.RSA_SHA1, null),
                                              Collections.singletonList(ref));
            DOMSignContext dsc = new DOMSignContext(privateKey, document.getDocumentElement());
            KeyValue keyValue = keyInfoFactory.newKeyValue(publicKey);
            KeyInfo ki = keyInfoFactory.newKeyInfo(Collections.singletonList(keyValue));
            XMLSignature signature = fac.newXMLSignature(si, ki);
            signature.sign(dsc);
        } catch (Exception e) {
            Logger.warn("Error while signing an XML document.", e);
        }


        return document;

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        try {
            String providerName = System.getProperty("jsr105Provider", "org.jcp.xml.dsig.internal.dom.XMLDSigRI");
            XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM", (Provider) Class.forName(providerName).newInstance());
            DOMValidateContext valContext = new DOMValidateContext(keySelector, signatureNode);


            XMLSignature signature = fac.unmarshalXMLSignature(valContext);
            return signature.validate(valContext);
        } catch (Exception e) {
            Logger.warn("Error validating an XML signature.", e);
            return false;
        }
    }

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            && secretKey == null
            && publicKey == null) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK);
        }
        
        XMLSignature xmlSignature = 
            verifyXMLSignature(elem, certs, publicKey, secretKey, signatureMethod, wsDocInfo);
        byte[] signatureValue = xmlSignature.getSignatureValue().getValue();
        String c14nMethod = xmlSignature.getSignedInfo().getCanonicalizationMethod().getAlgorithm();
        // The c14n algorithm must be as specified by the BSP spec
        if (data.getWssConfig().isWsiBSPCompliant() 
            && !WSConstants.C14N_EXCL_OMIT_COMMENTS.equals(c14nMethod)) {
            throw new WSSecurityException(
                WSSecurityException.INVALID_SECURITY, "badC14nAlgo"
            );
        }
        List<WSDataRef> dataRefs =  
            buildProtectedRefs(
                elem.getOwnerDocument(), xmlSignature.getSignedInfo(), data.getWssConfig(), wsDocInfo
            );
        if (dataRefs.size() == 0) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK);
        }

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        URIDereferencer dereferencer = new DOMURIDereferencer();
        ((DOMURIDereferencer)dereferencer).setWsDocInfo(wsDocInfo);
        context.setURIDereferencer(dereferencer);
        context.setProperty(STRTransform.TRANSFORM_WS_DOC_INFO, wsDocInfo);
        try {
            XMLSignature xmlSignature = signatureFactory.unmarshalXMLSignature(context);
            boolean signatureOk = xmlSignature.validate(context);
            if (signatureOk) {
                return xmlSignature;
            }
            //
            // Log the exact signature error
            //
            if (LOG.isDebugEnabled()) {
                LOG.debug("XML Signature verification has failed");
                boolean signatureValidationCheck = 
                    xmlSignature.getSignatureValue().validate(context);
                LOG.debug("Signature Validation check: " + signatureValidationCheck);
                java.util.Iterator<?> referenceIterator = 
                    xmlSignature.getSignedInfo().getReferences().iterator();
                while (referenceIterator.hasNext()) {
                    Reference reference = (Reference)referenceIterator.next();
                    boolean referenceValidationCheck = reference.validate(context);
                    String id = reference.getId();
                    if (id == null) {

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