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

        return result;
    }
    
    protected WSSecEncryptedKey getEncryptedKeyBuilder(TokenWrapper wrapper, 
                                                       Token token) throws WSSecurityException {
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        Crypto crypto = getEncryptionCrypto(wrapper);
        message.getExchange().put(SecurityConstants.ENCRYPT_CRYPTO, crypto);
        setKeyIdentifierType(encrKey, wrapper, token);
        setEncryptionUser(encrKey, wrapper, false, crypto);
        encrKey.setKeySize(binding.getAlgorithmSuite().getMaximumSymmetricKeyLength());
        encrKey.setKeyEncAlgo(binding.getAlgorithmSuite().getAsymmetricKeyWrap());
        
        encrKey.prepare(saaj.getSOAPPart(), crypto);
        
        return encrKey;
    }

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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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    protected WSSecEncryptedKey getEncryptedKeyBuilder(RampartMessageData rmd, Token token) throws RampartException {
        
        RampartPolicyData rpd = rmd.getPolicyData();
        Document doc = rmd.getDocument();
        
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        
        try {
            RampartUtil.setKeyIdentifierType(rmd, 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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            //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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     * @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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                // Get ApliesTo to figure out which service to issue the token
                // for
                serviceCert = config.getServiceCert(crypto, data.getAppliesToAddress());


                // Create the encrypted key
                WSSecEncryptedKey encrKeyBuilder = new WSSecEncryptedKey();


                // Use thumbprint id
                encrKeyBuilder
                        .setKeyIdentifierType(WSConstants.THUMBPRINT_IDENTIFIER);


                // SEt the encryption cert
                encrKeyBuilder.setUseThisCert(serviceCert);


                // set keysize
                int keysize = data.getKeysize();
                keysize = (keysize != -1) ? keysize : config.keySize;
                encrKeyBuilder.setKeySize(keysize);


                encrKeyBuilder.setEphemeralKey(TokenIssuerUtil.getSharedSecret(
                        data, config.keyComputation, keysize));


                // Set key encryption algo
                encrKeyBuilder
                        .setKeyEncAlgo(EncryptionConstants.ALGO_ID_KEYTRANSPORT_RSA15);


                // Build
                encrKeyBuilder.prepare(doc, crypto);


                // Extract the base64 encoded secret value
                byte[] tempKey = new byte[keysize / 8];
                System.arraycopy(encrKeyBuilder.getEphemeralKey(), 0, tempKey,
                        0, keysize / 8);


                data.setEphmeralKey(tempKey);


                // Extract the Encryptedkey DOM element
                encryptedKeyElem = encrKeyBuilder.getEncryptedKeyElement();
            } catch (WSSecurityException e) {
                throw new TrustException(
                        "errorInBuildingTheEncryptedKeyForPrincipal",
                        new String[]{serviceCert.getSubjectDN().getName()},
                        e);

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                // for
                serviceCert = getServiceCert(config, crypto, data
                        .getAppliesToAddress());


                // Create the encrypted key
                WSSecEncryptedKey encrKeyBuilder = new WSSecEncryptedKey();


                // Use thumbprint id
                encrKeyBuilder
                        .setKeyIdentifierType(WSConstants.THUMBPRINT_IDENTIFIER);


                // SEt the encryption cert
                encrKeyBuilder.setUseThisCert(serviceCert);


                // set keysize
                int keysize = data.getKeysize();
                keysize = (keysize != -1) ? keysize : config.keySize;
                encrKeyBuilder.setKeySize(keysize);


                encrKeyBuilder.setEphemeralKey(TokenIssuerUtil.getSharedSecret(
                        data, config.keyComputation, keysize));


                // Set key encryption algo
                encrKeyBuilder
                        .setKeyEncAlgo(EncryptionConstants.ALGO_ID_KEYTRANSPORT_RSA15);


                // Build
                encrKeyBuilder.prepare(doc, crypto);


                // Extract the base64 encoded secret value
                byte[] tempKey = new byte[keysize / 8];
                System.arraycopy(encrKeyBuilder.getEphemeralKey(), 0, tempKey,
                        0, keysize / 8);


                data.setEphmeralKey(tempKey);


                // Extract the Encryptedkey DOM element
                encryptedKeyElem = encrKeyBuilder.getEncryptedKeyElement();
            } catch (WSSecurityException e) {
                throw new TrustException(
                        "errorInBuildingTheEncryptedKeyForPrincipal",
                        new String[] { serviceCert.getSubjectDN().getName() },
                        e);

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    }
    
    
    protected WSSecEncryptedKey getEncryptedKeyBuilder(TokenWrapper wrapper, 
                                                       Token token) throws WSSecurityException {
        WSSecEncryptedKey encrKey = new WSSecEncryptedKey();
        Crypto crypto = getEncryptionCrypto(wrapper);
        message.getExchange().put(SecurityConstants.ENCRYPT_CRYPTO, crypto);
        setKeyIdentifierType(encrKey, wrapper, token);
        setEncryptionUser(encrKey, wrapper, false, crypto);
        encrKey.setKeySize(binding.getAlgorithmSuite().getMaximumSymmetricKeyLength());
        encrKey.setKeyEncAlgo(binding.getAlgorithmSuite().getAsymmetricKeyWrap());
        
        encrKey.prepare(saaj.getSOAPPart(), crypto);
        
        return encrKey;
    }

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            return sig.getSignatureValue();
        }
    }


    private String setupEncryptedKey(TokenWrapper wrapper, Token sigToken) throws WSSecurityException {
        WSSecEncryptedKey encrKey = this.getEncryptedKeyBuilder(wrapper, sigToken);
        String id = encrKey.getId();
        byte[] secret = encrKey.getEphemeralKey();


        Date created = new Date();
        Date expires = new Date();
        expires.setTime(created.getTime() + 300000);
        SecurityToken tempTok = new SecurityToken(
                        id, 
                        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()));
        
        tokenStore.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) {
            encrKey.prependBSTElementToHeader(secHeader);
        }
        return id;
    }

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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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