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

    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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        // 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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                        "Content");
                sigParts.add(wep);
            }
        }
        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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                        "Content");
                sigParts.add(wep);
            }
        }
        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 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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                        "Content");
                sigParts.add(wep);
            }
        }
        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 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);
        setEncryptionUser(encrKey, wrapper, false, crypto);
        
        encrKey.setSymmetricEncAlgorithm(binding.getAlgorithmSuite().getEncryption());
        encrKey.setKeyEncAlgo(binding.getAlgorithmSuite().getAsymmetricKeyWrap());
        
        encrKey.prepare(saaj.getSOAPPart(), crypto);
        
        return encrKey;
    }

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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.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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