Examples of org.apache.ws.security.message.WSSecEncryptedKey

org.apache.ws.security.message.WSSecEncryptedKey
Builder class to build an EncryptedKey. This is especially useful in the case where the same EncryptedKey has to be used to sign and encrypt the message In such a situation this builder will add the EncryptedKey to the security header and we can use the information form the builder to provide to other builders to reference to the token

        
        List<WSEncryptionPart> sigParts = 
            signPartsAndElements(wrapper.getSignedParts(), wrapper.getSignedElements());
        
        if (token.isDerivedKeys()) {
            WSSecEncryptedKey encrKey = getEncryptedKeyBuilder(wrapper, token);
            
            Element bstElem = encrKey.getBinarySecurityTokenElement();
            if (bstElem != null) {
                addTopDownElement(bstElem);
            }
            encrKey.appendToHeader(secHeader);
            
            WSSecDKSign dkSig = new WSSecDKSign(wssConfig);
            
            dkSig.setSigCanonicalization(binding.getAlgorithmSuite().getInclusiveC14n());
            dkSig.setSignatureAlgorithm(binding.getAlgorithmSuite().getSymmetricSignature());
            dkSig.setDerivedKeyLength(binding.getAlgorithmSuite().getSignatureDerivedKeyLength() / 8);
            
            dkSig.setExternalKey(encrKey.getEphemeralKey(), encrKey.getId());
            
            dkSig.prepare(doc, secHeader);
            
            dkSig.setParts(sigParts);
            List<Reference> referenceList = dkSig.addReferencesToSign(sigParts, secHeader);

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        return result;
    }
    
    protected WSSecEncryptedKey getEncryptedKeyBuilder(TokenWrapper wrapper, 
                                                       Token token) throws WSSecurityException {
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey(wssConfig);
        Crypto crypto = getEncryptionCrypto(wrapper);
        message.getExchange().put(SecurityConstants.ENCRYPT_CRYPTO, crypto);
        setKeyIdentifierType(encrKey, wrapper, token);
        boolean alsoIncludeToken = false;
        // Find out do we also need to include the token as per the Inclusion requirement
        if (token instanceof X509Token 
            && token.getInclusion() != SPConstants.IncludeTokenType.INCLUDE_TOKEN_NEVER
            && encrKey.getKeyIdentifierType() != WSConstants.BST_DIRECT_REFERENCE) {
            alsoIncludeToken = true;
        }
        
        String encrUser = setEncryptionUser(encrKey, wrapper, false, crypto);
        
        encrKey.setSymmetricEncAlgorithm(binding.getAlgorithmSuite().getEncryption());
        encrKey.setKeyEncAlgo(binding.getAlgorithmSuite().getAsymmetricKeyWrap());
        
        encrKey.prepare(saaj.getSOAPPart(), crypto);
        
        if (alsoIncludeToken) {
            CryptoType cryptoType = new CryptoType(CryptoType.TYPE.ALIAS);
            cryptoType.setAlias(encrUser);
            X509Certificate[] certs = crypto.getX509Certificates(cryptoType);

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                keyWrapAlgorithm = encryptionProperties.getKeyWrapAlgorithm();
                LOG.fine("KeyWrapAlgorithm not supported, defaulting to: " + keyWrapAlgorithm);
            }
        }
        
        WSSecEncryptedKey builder = new WSSecEncryptedKey();
        builder.setUserInfo(name);
        builder.setKeyIdentifierType(encryptionProperties.getKeyIdentifierType());
        builder.setEphemeralKey(secret);
        builder.setKeyEncAlgo(keyWrapAlgorithm);
        
        Document doc = DOMUtils.createDocument();
                                 
        builder.prepare(doc, stsProperties.getEncryptionCrypto());
        
        return builder.getEncryptedKeyElement();
    }

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        Crypto encryptionCrypto
    ) throws WSSecurityException {
        KeyInfoBean keyInfo = new KeyInfoBean();


        // Create an EncryptedKey
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        encrKey.setKeyIdentifierType(encryptionProperties.getKeyIdentifierType());
        encrKey.setEphemeralKey(secret);
        encrKey.setSymmetricEncAlgorithm(encryptionProperties.getEncryptionAlgorithm());
        encrKey.setUseThisCert(certificate);
        encrKey.setKeyEncAlgo(encryptionProperties.getKeyWrapAlgorithm());
        encrKey.prepare(doc, encryptionCrypto);
        Element encryptedKeyElement = encrKey.getEncryptedKeyElement();


        // Append the EncryptedKey to a KeyInfo element
        Element keyInfoElement = 
            doc.createElementNS(
                WSConstants.SIG_NS, WSConstants.SIG_PREFIX + ":" + WSConstants.KEYINFO_LN

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        Crypto encryptionCrypto
    ) throws WSSecurityException {
        KeyInfoBean keyInfo = new KeyInfoBean();


        // Create an EncryptedKey
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        encrKey.setKeyIdentifierType(encryptionProperties.getKeyIdentifierType());
        encrKey.setEphemeralKey(secret);
        encrKey.setSymmetricEncAlgorithm(encryptionProperties.getEncryptionAlgorithm());
        encrKey.setUseThisCert(certificate);
        encrKey.setKeyEncAlgo(encryptionProperties.getKeyWrapAlgorithm());
        encrKey.prepare(doc, encryptionCrypto);
        Element encryptedKeyElement = encrKey.getEncryptedKeyElement();


        // Append the EncryptedKey to a KeyInfo element
        Element keyInfoElement = 
            doc.createElementNS(
                WSConstants.SIG_NS, WSConstants.SIG_PREFIX + ":" + WSConstants.KEYINFO_LN

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        List<WSEncryptionPart> sigParts = 
            signPartsAndElements(wrapper.getSignedParts(), wrapper.getSignedElements());
        
        if (token.isDerivedKeys()) {
            WSSecEncryptedKey encrKey = getEncryptedKeyBuilder(wrapper, token);
            
            Element bstElem = encrKey.getBinarySecurityTokenElement();
            if (bstElem != null) {
                addTopDownElement(bstElem);
            }
            encrKey.appendToHeader(secHeader);
            
            WSSecDKSign dkSig = new WSSecDKSign(wssConfig);
            
            dkSig.setSigCanonicalization(binding.getAlgorithmSuite().getInclusiveC14n());
            dkSig.setSignatureAlgorithm(binding.getAlgorithmSuite().getSymmetricSignature());
            dkSig.setDerivedKeyLength(binding.getAlgorithmSuite().getSignatureDerivedKeyLength() / 8);
            
            dkSig.setExternalKey(encrKey.getEphemeralKey(), encrKey.getId());
            
            dkSig.prepare(doc, secHeader);
            
            dkSig.setParts(sigParts);
            List<Reference> referenceList = dkSig.addReferencesToSign(sigParts, secHeader);

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    protected WSSecEncryptedKey getEncryptedKeyBuilder(RampartMessageData rmd, Token token) throws RampartException {
        
        RampartPolicyData rpd = rmd.getPolicyData();
        Document doc = rmd.getDocument();
        
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        
        try {
            RampartUtil.setKeyIdentifierType(rpd, encrKey, token);
            RampartUtil.setEncryptionUser(rmd, encrKey);
            encrKey.setKeySize(rpd.getAlgorithmSuite().getMaximumSymmetricKeyLength());
            encrKey.setKeyEncAlgo(rpd.getAlgorithmSuite().getAsymmetricKeyWrap());
            
            encrKey.prepare(doc, RampartUtil.getEncryptionCrypto(rpd.getRampartConfig(), rmd.getCustomClassLoader()));
            
            return encrKey;
        } catch (WSSecurityException e) {
            throw new RampartException("errorCreatingEncryptedKey", e);
        }

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     * @throws RampartException
     */
    private String setupEncryptedKey(RampartMessageData rmd, Token sigToken) 
    throws RampartException {
        try {
            WSSecEncryptedKey encrKey = this.getEncryptedKeyBuilder(rmd, 
                                                                sigToken);
            String id = encrKey.getId();
            byte[] secret = encrKey.getEphemeralKey();
            //Create a rahas token from this info and store it so we can use
            //it in the next steps
    
            Date created = new Date();
            Date expires = new Date();
            //TODO make this lifetime configurable ???
            expires.setTime(System.currentTimeMillis() + 300000);
            org.apache.rahas.EncryptedKeyToken tempTok = new org.apache.rahas.EncryptedKeyToken(
                            id, 
                            (OMElement) encrKey.getEncryptedKeyElement(),
                            created, 
                            expires);
            
            
            tempTok.setSecret(secret);
            
            // Set the SHA1 value of the encrypted key, this is used when the encrypted
            // key is referenced via a key identifier of type EncryptedKeySHA1
            tempTok.setSHA1(getSHA1(encrKey.getEncryptedEphemeralKey()));
            
            rmd.getTokenStorage().add(tempTok);
            
            String bstTokenId = encrKey.getBSTTokenId();
            //If direct ref is used to refer to the cert
            //then add the cert to the sec header now
            if(bstTokenId != null && bstTokenId.length() > 0) {
                RampartUtil.appendChildToSecHeader(rmd, 
                        encrKey.getBinarySecurityTokenElement());
            }
            
            return id;
            
        } catch (TrustException e) {

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            //In this case we will have to encrypt the ephmeral key with the 
            //other party's key and then use it as the parent key of the
            // derived keys
            try {
                
                WSSecEncryptedKey encrKey = getEncryptedKeyBuilder(rmd, token);
                
                Element bstElem = encrKey.getBinarySecurityTokenElement();
                if(bstElem != null) {
                   RampartUtil.appendChildToSecHeader(rmd, bstElem); 
                }
                
                encrKey.appendToHeader(rmd.getSecHeader());
                
                WSSecDKSign dkSig = new WSSecDKSign();
                
                dkSig.setWsConfig(rmd.getConfig());
                
                dkSig.setSigCanonicalization(rpd.getAlgorithmSuite().getInclusiveC14n());
                dkSig.setSignatureAlgorithm(rpd.getAlgorithmSuite().getSymmetricSignature());
                dkSig.setDerivedKeyLength(rpd.getAlgorithmSuite().getSignatureDerivedKeyLength()/8);
                
                dkSig.setExternalKey(encrKey.getEphemeralKey(), encrKey.getId());
                
                dkSig.prepare(doc, rmd.getSecHeader());
                
                
                if(rpd.isTokenProtection()) {
                    sigParts.add(new WSEncryptionPart(encrKey.getBSTTokenId()));
                }
                
                dkSig.setParts(sigParts);
                
                dkSig.addReferencesToSign(sigParts, rmd.getSecHeader());

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            docBuilderFactory.setNamespaceAware(true);
            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
            Document doc = docBuilder.newDocument();
                  
            // Create an Encrypted Key
            WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
            encrKey.setKeyIdentifierType(WSConstants.ISSUER_SERIAL);
            encrKey.setUseThisCert(certs[0]);
            encrKey.prepare(doc, null);
            ephemeralKey = encrKey.getEphemeralKey();
            Element encryptedKeyElement = encrKey.getEncryptedKeyElement();
            
            // Append the EncryptedKey to a KeyInfo element
            Element keyInfoElement = 
                doc.createElementNS(
                    WSConstants.SIG_NS, WSConstants.SIG_PREFIX + ":" + WSConstants.KEYINFO_LN

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