Package com.sun.xml.wss.impl

Examples of com.sun.xml.wss.impl.SecurableSoapMessage

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            String valueType = certInfo.getValueType();
            if(valueType==null||valueType.equals("")){
                //default valueType for X509 as v3
                valueType = MessageConstants.X509v3_NS;
            }
            SecurableSoapMessage secureMessage = context.getSecurableSoapMessage();
            X509SecurityToken x509Token = new X509SecurityToken(secureMessage.getSOAPPart(),certInfo.getX509Certificate(), x509id, valueType);
            secureMessage.findOrCreateSecurityHeader().insertHeaderBlock(x509Token);
            insertedX509Cache.put(x509id, x509Token);
            certInfo.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
            //}
        } catch(Exception e){
            throw new XWSSecurityException(e);
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            FilterProcessingContext context)  throws XWSSecurityException {
       
        Key returnKey;
        //HashMap tokenCache = context.getTokenCache();
        try {
            SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
            if (keyInfo.containsSecurityTokenReference()) {
                return processSecurityTokenReference(keyInfo,sig, context);
            }else if (keyInfo.containsKeyName()) {
                EncryptionPolicy policy = (EncryptionPolicy)context.getInferredPolicy();
               
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    @SuppressWarnings("unchecked")
    public static Key processSecurityTokenReference(KeyInfoHeaderBlock keyInfo,
            boolean sig, FilterProcessingContext context)throws XWSSecurityException{
        Key returnKey = null;
        HashMap tokenCache = context.getTokenCache();
        SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
        SecurityTokenReference str = keyInfo.getSecurityTokenReference(0);
        ReferenceElement refElement = str.getReference();
        EncryptionPolicy policy = (EncryptionPolicy)context.getInferredPolicy();
        EncryptionPolicy inferredEncryptionPolicy = null;
        boolean isWSITRecipient = (context.getMode()== FilterProcessingContext.WSDL_POLICY);
        try{
            if(isWSITRecipient){
                int i = context.getInferredSecurityPolicy().size() - 1;
                inferredEncryptionPolicy = (EncryptionPolicy)context.getInferredSecurityPolicy().get(i);
            }
        } catch(Exception e){
            log.log(Level.SEVERE, LogStringsMessages.WSS_0239_FAILED_PROCESS_SECURITY_TOKEN_REFERENCE(), e);
            throw new XWSSecurityException(e);
        }
        // Do a case analysis based on the type of refElement.
        // X509 Token Profile supports 3 kinds of reference mechanisms.
        // Embedded Reference not considered.
        if (refElement instanceof KeyIdentifier) {
            KeyIdentifier keyId = (KeyIdentifier)refElement;
           
            if (MessageConstants.X509SubjectKeyIdentifier_NS.equals(keyId.getValueType()) ||
                    MessageConstants.X509v3SubjectKeyIdentifier_NS.equals(keyId.getValueType())) {
                if(policy != null){
                    AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                    keyBinding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
                    x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                    if(inferredKB == null){
                        inferredEncryptionPolicy.setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
                        ((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
                        if(dktBind.getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                        else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
                            dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
                        }
                    }
                   
                }
                if (sig) {
                    returnKey =
                            context.getSecurityEnvironment().getPublicKey(context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()));
                } else {
                    returnKey =
                            context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()));
                }
               
            } else if (MessageConstants.ThumbPrintIdentifier_NS.equals(keyId.getValueType())) {
                if(policy != null){
                    AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                    keyBinding.setReferenceType(MessageConstants.THUMB_PRINT_TYPE);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setValueType(MessageConstants.ThumbPrintIdentifier_NS);
                    x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                    if(inferredKB == null){
                        inferredEncryptionPolicy.setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
                        ((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
                        if(dktBind.getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                        else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
                            dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
                        }
                    }
                   
                }
                if (sig) {
                    returnKey =
                            context.getSecurityEnvironment().getPublicKey(
                            context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()),
                            MessageConstants.THUMB_PRINT_TYPE
                            );
                } else {
                    returnKey =
                            context.getSecurityEnvironment().getPrivateKey(
                            context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()),
                            MessageConstants.THUMB_PRINT_TYPE
                            );
                }
               
            } else if(MessageConstants.EncryptedKeyIdentifier_NS.equals(keyId.getValueType())){
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                    skBinding.setKeyBinding(x509Binding);
                    //TODO: ReferenceType and ValueType not set on X509Binding
                    if(inferredKB == null){
                        inferredEncryptionPolicy.setKeyBinding(skBinding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
                    }
                }
                String ekSha1RefValue = (String)context.getExtraneousProperty("EncryptedKeySHA1");
                Key secretKey = (Key)context.getExtraneousProperty("SecretKey");
                String keyRefValue = keyId.getReferenceValue();
                if(ekSha1RefValue != null && secretKey != null){
                    if(ekSha1RefValue.equals(keyRefValue))
                        returnKey = secretKey;
                } else{
                    String message = "EncryptedKeySHA1 reference not correct";
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0240_INVALID_ENCRYPTED_KEY_SHA_1_REFERENCE());
                    throw new XWSSecurityException(message);
                }
               
            } else if (MessageConstants.WSSE_SAML_KEY_IDENTIFIER_VALUE_TYPE.equals(keyId.getValueType())
            || MessageConstants.WSSE_SAML_v2_0_KEY_IDENTIFIER_VALUE_TYPE.equals(keyId.getValueType())) {
                // Its a SAML Assertion, retrieve the assertion
                if(policy != null){
                    AuthenticationTokenPolicy.SAMLAssertionBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.SAMLAssertionBinding) policy.newSAMLAssertionKeyBinding();
                    keyBinding.setReferenceType(keyId.getValueType());
                }
                String assertionID = keyId.getDecodedReferenceValue();
                Element samlAssertion = resolveSAMLToken(str, assertionID,context);
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
                    if(inferredKB == null){
                        if (context.hasIssuedToken()){
                            inferredEncryptionPolicy.setKeyBinding(itkBinding);
                        }else{
                            inferredEncryptionPolicy.setKeyBinding(new AuthenticationTokenPolicy.SAMLAssertionBinding());
                        }
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
                    }
                }
                returnKey = resolveSamlAssertion(secureMsg,samlAssertion, sig,context, assertionID);
                if (context.hasIssuedToken() && returnKey != null){
                    SecurityUtil.initInferredIssuedTokenContext(context,str, returnKey);
                }
               
            } else {
                if(policy != null){
                    AuthenticationTokenPolicy.SAMLAssertionBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.SAMLAssertionBinding) policy.newSAMLAssertionKeyBinding();
                }
                Element samlAssertion = null;
                String assertionID = keyId.getDecodedReferenceValue();
                try{
                    samlAssertion = resolveSAMLToken(str, assertionID,context);
                }catch(Exception ex){
                    //ignore
                }
                if (samlAssertion != null) {
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                        IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
                        if(inferredKB == null){
                            inferredEncryptionPolicy.setKeyBinding(itkBinding);
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
                        }
                    }
                    returnKey = resolveSamlAssertion(secureMsg,samlAssertion, sig,context, assertionID);
                    if (context.hasIssuedToken() && returnKey != null){
                        SecurityUtil.initInferredIssuedTokenContext(context,str, returnKey);
                    }
                } else {
                    // now assume its an X509Token
                    // Note: the code below assumes base64 EncodingType for X509 SKI
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                        AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                        x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
                        x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                        if(inferredKB == null){
                            inferredEncryptionPolicy.setKeyBinding(x509Binding);
                        } else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
                            ((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
                            if(dktBind.getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                            else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
                                dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
                            }
                        }
                       
                    }
                    if (sig) {
                        returnKey =
                                context.getSecurityEnvironment().getPublicKey(context.getExtraneousProperties(),
                                getDecodedBase64EncodedData(keyId.getReferenceValue()));
                    } else {
                        returnKey =
                                context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(),
                                getDecodedBase64EncodedData(keyId.getReferenceValue()));
                    }
                }
            }
        } else if (refElement instanceof DirectReference) {
            String uri = ((DirectReference) refElement).getURI();
           
            // will be only during verify.
            AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
            String valueType = ((DirectReference) refElement).getValueType();
            if (MessageConstants.DKT_VALUETYPE.equals(valueType) ||
                    MessageConstants.DKT_13_VALUETYPE.equals(valueType)){
                //TODO: this will work for now but need to handle this case here later
                valueType = null;
            }
           
            if(policy != null){
                keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                keyBinding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
                keyBinding.setValueType(valueType);
            }
           
            if (MessageConstants.X509v3_NS.equals(valueType)||MessageConstants.X509v1_NS.equals(valueType)) {
                // its an X509 Token
                HashMap insertedX509Cache = context.getInsertedX509Cache();
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                X509SecurityToken token = (X509SecurityToken)insertedX509Cache.get(wsuId);
                if(token == null)
                    token =(X509SecurityToken)resolveToken(wsuId,context,secureMsg);
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
                    x509Binding.setValueType(valueType);
                    if(inferredKB == null){
                        inferredEncryptionPolicy.setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
                        ((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
                    } else  if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
                        if(dktBind.getOriginalKeyBinding() == null)
                            dktBind.setOriginalKeyBinding(x509Binding);
                        else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding()))
                            dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
                    }
                   
                }
                returnKey = resolveX509Token(secureMsg, token, sig,context);
               
            } else if(MessageConstants.EncryptedKey_NS.equals(valueType)){
                // Do default processing
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token =resolveToken(wsuId,context,secureMsg);
                //TODO: STR is referring to EncryptedKey
                KeyInfoHeaderBlock kiHB = ((EncryptedKeyToken)token).getKeyInfo();
                SecurityTokenReference sectr = kiHB.getSecurityTokenReference(0);
               
                //String dataEncAlgo = MessageConstants.AES_BLOCK_ENCRYPTION_128;
                // now that context will have AlgoSuite under WSIT, this should not be an issue
                // so restoring old value since it breaks Backward Compat otherwise
                String dataEncAlgo = MessageConstants.DEFAULT_DATA_ENC_ALGO;
                if (context.getAlgorithmSuite() != null) {
                    dataEncAlgo = context.getAlgorithmSuite().getEncryptionAlgorithm();
                }else{
                    if (context.getDataEncryptionAlgorithm() != null){
                        dataEncAlgo = context.getDataEncryptionAlgorithm();
                    }
                }
                try{
                    Element cipherData = (Element)((EncryptedKeyToken)token).getAsSoapElement().getChildElements(new QName(MessageConstants.XENC_NS, "CipherData", MessageConstants.XENC_PREFIX)).next();
                    String cipherValue = cipherData.getElementsByTagNameNS(MessageConstants.XENC_NS, "CipherValue").item(0).getTextContent();
                    byte[] decodedCipher = Base64.decode(cipherValue);
                    byte[] ekSha1 = MessageDigest.getInstance("SHA-1").digest(decodedCipher);
                    String encEkSha1 = Base64.encode(ekSha1);
                    context.setExtraneousProperty(MessageConstants.EK_SHA1_VALUE, encEkSha1);
                   
                } catch(Exception e){
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0241_UNABLETO_SET_EKSHA_1_ON_CONTEXT(), e);
                    throw new XWSSecurityException(e);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                    SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    skBinding.setKeyBinding(x509Binding);
                    //TODO: ReferenceType and ValueType not set on X509Binding
                    if(inferredKB == null){
                        inferredEncryptionPolicy.setKeyBinding(skBinding);
                    } else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
                        ((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
                        if(dktBind.getOriginalKeyBinding() == null)
                            dktBind.setOriginalKeyBinding(x509Binding);
                        else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding()))
                            dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
                    }
                   
                }
                returnKey = ((EncryptedKeyToken)token).getSecretKey(getKey(kiHB, sig, context), dataEncAlgo);
                context.setExtraneousProperty(MessageConstants.SECRET_KEY_VALUE, returnKey);
               
            } else if (MessageConstants.SCT_VALUETYPE.equals(valueType) || MessageConstants.SCT_13_VALUETYPE.equals(valueType)) {
                // could be wsuId or SCT Session Id
                String sctId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token = (SecurityToken)tokenCache.get(sctId);
               
                if(token == null){
                    token = SecurityUtil.locateBySCTId(context, uri);
                    if (token == null) {
                        token = resolveToken(sctId, context, secureMsg);
                    }
                    if(token == null){
                        log.log(Level.SEVERE, LogStringsMessages.WSS_0242_UNABLETO_LOCATE_SCT());
                        throw new XWSSecurityException("SCT Token with Id "+sctId+ "not found");
                    }else{
                        tokenCache.put(sctId, token);
                    }
                }
               
                if (token instanceof SecurityContextToken) {
                    //handling for SecurityContext Token
                    byte[] proofKey = resolveSCT(context, (SecurityContextTokenImpl)token, sig);
                    String encAlgo = "AES"; //hardcoding for now
                    if (context.getAlgorithmSuite() != null) {
                        encAlgo = SecurityUtil.getSecretKeyAlgorithm(context.getAlgorithmSuite().getEncryptionAlgorithm());
                    }
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredEncryptionPolicy.getKeyBinding();
                        SecureConversationTokenKeyBinding sctBinding = new SecureConversationTokenKeyBinding();
                        if(inferredKB == null){
                            inferredEncryptionPolicy.setKeyBinding(sctBinding);
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(sctBinding);
                        }
                    }
                    returnKey = new SecretKeySpec(proofKey, encAlgo);
                   
                } else {
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0243_INVALID_VALUE_TYPE_NON_SCT_TOKEN());
                    throw new XWSSecurityException("Incorrect ValueType: " + MessageConstants.SCT_VALUETYPE + ", specified for a Non SCT Token");
                }
               
            } else if (null == valueType) {
                // Do default processing
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token = SecurityUtil.locateBySCTId(context, wsuId);
                if (token == null) {
                    token =resolveToken(wsuId,context,secureMsg);
                }
                if (token instanceof X509SecurityToken) {
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        String dataEncAlgo = MessageConstants.AES_BLOCK_ENCRYPTION_128;
        if (context.getAlgorithmSuite() != null) {
            dataEncAlgo = context.getAlgorithmSuite().getEncryptionAlgorithm();
        }
        //HashMap tokenCache = context.getTokenCache();
        SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
       
        EncryptionPolicy inferredEncryptionPolicy = null;
        boolean isWSITRecipient = (context.getMode()== FilterProcessingContext.WSDL_POLICY);
        try{
            if(isWSITRecipient){
                int i = context.getInferredSecurityPolicy().size() - 1;
                inferredEncryptionPolicy = (EncryptionPolicy)context.getInferredSecurityPolicy().get(i);
            }
        } catch(Exception e){
            log.log(Level.SEVERE, LogStringsMessages.WSS_0247_FAILED_RESOLVE_DERIVED_KEY_TOKEN());
            throw new XWSSecurityException(e);
        }
       
       
        SecurityTokenReference sectr = token.getDerivedKeyElement();
        if (sectr == null) {
            log.log(Level.SEVERE, LogStringsMessages.WSS_0248_NULL_STR());
            throw new XWSSecurityException("Invalid DerivedKey Token encountered, no STR found");
        }
        ReferenceElement refElement = sectr.getReference();
        Key encKey = null;
        byte[] secret = null;
        if (refElement instanceof DirectReference) {
            String uri = ((DirectReference) refElement).getURI();
            String valueType = ((DirectReference) refElement).getValueType();
            String wsuId = secureMsg.getIdFromFragmentRef(uri);
            SecurityToken secToken = SecurityUtil.locateBySCTId(context, wsuId);
            if (secToken == null) {
                secToken =resolveToken(wsuId,context,secureMsg);
                //workaround for case where Reference does not have ValueType
                if ((valueType == null) && (secToken instanceof EncryptedKeyToken)){
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    @SuppressWarnings("unchecked")
    public static Key processSTR(KeyInfoHeaderBlock keyInfo,
            boolean sig, FilterProcessingContext context)throws XWSSecurityException{
        Key returnKey = null;
        HashMap tokenCache = context.getTokenCache();
        SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
        SecurityTokenReference str = keyInfo.getSecurityTokenReference(0);
        ReferenceElement refElement = str.getReference();
        SignaturePolicy policy = (SignaturePolicy)context.getInferredPolicy();
        SignaturePolicy inferredSignaturePolicy = null;
        boolean isWSITRecipient = (context.getMode()== FilterProcessingContext.WSDL_POLICY);
        try{
            if(isWSITRecipient){
                int i = context.getInferredSecurityPolicy().size() - 1;
                inferredSignaturePolicy = (SignaturePolicy)context.getInferredSecurityPolicy().get(i);
            }
        } catch(Exception e){
            log.log(Level.SEVERE, LogStringsMessages.WSS_0250_FAILED_PROCESS_STR(), e);
            throw new XWSSecurityException(e);
        }
        // Do a case analysis based on the type of refElement.
        // X509 Token Profile supports 3 kinds of reference mechanisms.
        // Embedded Reference not considered.
        if (refElement instanceof KeyIdentifier) {
            KeyIdentifier keyId = (KeyIdentifier)refElement;
           
            if (MessageConstants.X509SubjectKeyIdentifier_NS.equals(keyId.getValueType()) ||
                    MessageConstants.X509v3SubjectKeyIdentifier_NS.equals(keyId.getValueType())) {
                if(policy != null){
                    AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                    keyBinding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
                    x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                    if(inferredKB == null){
                        inferredSignaturePolicy.setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                    }
                }
                if (sig) {
                    returnKey =
                            context.getSecurityEnvironment().getPublicKey(context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()));
                } else {
                    returnKey =
                            context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()));
                }
               
            } else if (MessageConstants.ThumbPrintIdentifier_NS.equals(keyId.getValueType())) {
                if(policy != null){
                    AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                    keyBinding.setReferenceType(MessageConstants.THUMB_PRINT_TYPE);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setValueType(MessageConstants.ThumbPrintIdentifier_NS);
                    x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                    if(inferredKB == null){
                        inferredSignaturePolicy.setKeyBinding(x509Binding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                    }
                }
                if (sig) {
                    returnKey =
                            context.getSecurityEnvironment().getPublicKey(
                            context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()),
                            MessageConstants.THUMB_PRINT_TYPE
                            );
                } else {
                    returnKey =
                            context.getSecurityEnvironment().getPrivateKey(
                            context.getExtraneousProperties(),
                            getDecodedBase64EncodedData(keyId.getReferenceValue()),
                            MessageConstants.THUMB_PRINT_TYPE
                            );
                }
               
            } else if(MessageConstants.EncryptedKeyIdentifier_NS.equals(keyId.getValueType())){
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    skBinding.setKeyBinding(x509Binding);
                    //TODO: ReferenceType and ValueType not set on X509Binding
                    if(inferredKB == null){
                        inferredSignaturePolicy.setKeyBinding(skBinding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
                    }
                }
                String ekSha1RefValue = (String)context.getExtraneousProperty("EncryptedKeySHA1");
                Key secretKey = (Key)context.getExtraneousProperty("SecretKey");
                String keyRefValue = keyId.getReferenceValue();
                if(ekSha1RefValue != null && secretKey != null){
                    if(ekSha1RefValue.equals(keyRefValue))
                        returnKey = secretKey;
                } else{
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0240_INVALID_ENCRYPTED_KEY_SHA_1_REFERENCE());
                    String message = "EncryptedKeySHA1 reference not correct";
                    throw new XWSSecurityException(message);
                }
               
            } else if (MessageConstants.WSSE_SAML_KEY_IDENTIFIER_VALUE_TYPE.equals(keyId.getValueType()) ||
                    MessageConstants.WSSE_SAML_v2_0_KEY_IDENTIFIER_VALUE_TYPE.equals(keyId.getValueType())) {
                // Its a SAML Assertion, retrieve the assertion
                if(policy != null){
                    AuthenticationTokenPolicy.SAMLAssertionBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.SAMLAssertionBinding) policy.newSAMLAssertionKeyBinding();
                    keyBinding.setReferenceType(keyId.getValueType());
                }
               
                String assertionID = keyId.getDecodedReferenceValue();
                Element samlAssertion = resolveSAMLToken(str, assertionID,context);
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
                    if(inferredKB == null){
                        if (context.hasIssuedToken()){
                            inferredSignaturePolicy.setKeyBinding(itkBinding);
                        }else{
                            inferredSignaturePolicy.setKeyBinding(new AuthenticationTokenPolicy.SAMLAssertionBinding());
                        }
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
                    }
                }
                returnKey = resolveSamlAssertion(secureMsg,samlAssertion, sig,context, assertionID);
                if (context.hasIssuedToken() && returnKey != null){
                    SecurityUtil.initInferredIssuedTokenContext(context,str, returnKey);
                }
               
            } else {
                if(policy != null){
                    AuthenticationTokenPolicy.SAMLAssertionBinding keyBinding = null;
                    keyBinding = (AuthenticationTokenPolicy.SAMLAssertionBinding) policy.newSAMLAssertionKeyBinding();
                }
                Element samlAssertion = null;
                String assertionID = keyId.getDecodedReferenceValue();
                try{
                    samlAssertion = resolveSAMLToken(str, assertionID,context);
                }catch(Exception ex){
                    //ignore
                }
                if (samlAssertion != null) {
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                        IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
                        if(inferredKB == null){
                            if (context.hasIssuedToken()){
                                inferredSignaturePolicy.setKeyBinding(itkBinding);
                            }else{
                                inferredSignaturePolicy.setKeyBinding(new AuthenticationTokenPolicy.SAMLAssertionBinding());
                            }
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
                        }
                    }
                    returnKey = resolveSamlAssertion(secureMsg,samlAssertion, sig,context, assertionID);
                    if (context.hasIssuedToken() && returnKey != null){
                        SecurityUtil.initInferredIssuedTokenContext(context,str, returnKey);
                    }
                } else {
                    // now assume its an X509Token
                    // Note: the code below assumes base64 EncodingType for X509 SKI
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                        AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                        x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
                        x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
                        if(inferredKB == null){
                            inferredSignaturePolicy.setKeyBinding(x509Binding);
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                        }
                    }
                    if (sig) {
                        returnKey =
                                context.getSecurityEnvironment().getPublicKey(context.getExtraneousProperties(),
                                getDecodedBase64EncodedData(keyId.getReferenceValue()));
                    } else {
                        returnKey =
                                context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(),
                                getDecodedBase64EncodedData(keyId.getReferenceValue()));
                    }
                }
            }
        } else if (refElement instanceof DirectReference) {
            String uri = ((DirectReference) refElement).getURI();
           
            // will be only during verify.
            AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
            String valueType = ((DirectReference) refElement).getValueType();
            if (MessageConstants.DKT_VALUETYPE.equals(valueType) ||
                    MessageConstants.DKT_13_VALUETYPE.equals(valueType)){
                //TODO: this will work for now but need to handle this case here later
                valueType = null;
            }
           
            if(policy != null){
                keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
                keyBinding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
                keyBinding.setValueType(valueType);
            }
           
            if (MessageConstants.X509v3_NS.equals(valueType)||MessageConstants.X509v1_NS.equals(valueType)) {
                // its an X509 Token
                HashMap insertedX509Cache = context.getInsertedX509Cache();
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                X509SecurityToken token = (X509SecurityToken)insertedX509Cache.get(wsuId);
                if(token == null)
                    token =(X509SecurityToken)resolveToken(wsuId,context,secureMsg);
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    x509Binding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
                    x509Binding.setValueType(valueType);
                    if(inferredKB == null){
                        inferredSignaturePolicy.setKeyBinding(x509Binding);
                    } else  if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
                    }
                }
                returnKey = resolveX509Token(secureMsg, token, sig,context);
               
            } else if(MessageConstants.EncryptedKey_NS.equals(valueType)){
                // Do default processing
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token =resolveToken(wsuId,context,secureMsg);
                //TODO: STR is referring to EncryptedKey
                KeyInfoHeaderBlock kiHB = ((EncryptedKeyToken)token).getKeyInfo();
                SecurityTokenReference sectr = kiHB.getSecurityTokenReference(0);
               
                //TODO: PLUGFEST Algorithm hardcoded for now
                //String dataEncAlgo = MessageConstants.AES_BLOCK_ENCRYPTION_128;
                // restore Backward compatibility
                String dataEncAlgo = MessageConstants.DEFAULT_DATA_ENC_ALGO;
                if (context.getAlgorithmSuite() != null) {
                    dataEncAlgo = context.getAlgorithmSuite().getEncryptionAlgorithm();
                }else{
                    if (context.getDataEncryptionAlgorithm() != null){
                        dataEncAlgo = context.getDataEncryptionAlgorithm();
                    }
                }
                try{
                    Element cipherData = (Element)((EncryptedKeyToken)token).getAsSoapElement().getChildElements(new QName(MessageConstants.XENC_NS, "CipherData", MessageConstants.XENC_PREFIX)).next();
                    String cipherValue = cipherData.getElementsByTagNameNS(MessageConstants.XENC_NS, "CipherValue").item(0).getTextContent();
                    byte[] decodedCipher = Base64.decode(cipherValue);
                    byte[] ekSha1 = MessageDigest.getInstance("SHA-1").digest(decodedCipher);
                    String encEkSha1 = Base64.encode(ekSha1);
                    context.setExtraneousProperty(MessageConstants.EK_SHA1_VALUE, encEkSha1);
                } catch(Exception e){
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0241_UNABLETO_SET_EKSHA_1_ON_CONTEXT(), e);
                    throw new XWSSecurityException(e);
                }
                if(isWSITRecipient){
                    MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                    SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
                    AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
                    skBinding.setKeyBinding(x509Binding);
                    //TODO: ReferenceType and ValueType not set on X509Binding
                    if(inferredKB == null){
                        inferredSignaturePolicy.setKeyBinding(skBinding);
                    } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                        if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                            ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
                    }
                }
                returnKey = ((EncryptedKeyToken)token).getSecretKey(getKey(kiHB, sig, context), dataEncAlgo);
                context.setExtraneousProperty(MessageConstants.SECRET_KEY_VALUE, returnKey);
               
            } else if (MessageConstants.SCT_VALUETYPE.equals(valueType) || MessageConstants.SCT_13_VALUETYPE.equals(valueType)) {
                // could be wsuId or SCT Session Id
                String sctId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token = (SecurityToken)tokenCache.get(sctId);
               
                if(token == null){
                    token = SecurityUtil.locateBySCTId(context, uri);
                    if (token == null) {
                        token = resolveToken(sctId, context, secureMsg);
                    }
                    if(token == null){
                        log.log(Level.SEVERE, LogStringsMessages.WSS_0242_UNABLETO_LOCATE_SCT());
                        throw new XWSSecurityException("SCT Token with Id "+sctId+ "not found");
                    }else{
                        tokenCache.put(sctId, token);
                    }
                }
               
                if (token instanceof SecurityContextToken) {
                    //handling for SecurityContext Token
                    byte[] proofKey = resolveSCT(context, (SecurityContextTokenImpl)token, sig);
                    String encAlgo = "AES"; //hardcoding for now
                    if (context.getAlgorithmSuite() != null) {
                        encAlgo = SecurityUtil.getSecretKeyAlgorithm(context.getAlgorithmSuite().getEncryptionAlgorithm());
                    }
                    if(isWSITRecipient){
                        MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
                        SecureConversationTokenKeyBinding sctBinding = new SecureConversationTokenKeyBinding();
                        if(inferredKB == null){
                            inferredSignaturePolicy.setKeyBinding(sctBinding);
                        } else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
                            if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
                                ((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(sctBinding);
                        }
                    }
                    returnKey = new SecretKeySpec(proofKey, encAlgo);
                   
                } else {
                    log.log(Level.SEVERE, LogStringsMessages.WSS_0243_INVALID_VALUE_TYPE_NON_SCT_TOKEN());
                    throw new XWSSecurityException("Incorrect ValueType: " + MessageConstants.SCT_VALUETYPE + ", specified for a Non SCT Token");
                }
               
            } else if (null == valueType) {
                // Do default processing
                String wsuId = secureMsg.getIdFromFragmentRef(uri);
                SecurityToken token = SecurityUtil.locateBySCTId(context, wsuId);
                if (token == null) {
                    token =resolveToken(wsuId,context,secureMsg);
                }
                if (token instanceof X509SecurityToken) {
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    /** Creates a new instance of DecryptionProcessor */
    public DecryptionProcessor() {
    }
   
    public static void decrypt(FilterProcessingContext context)throws XWSSecurityException{
        SecurableSoapMessage secureMessage = context.getSecurableSoapMessage();
        SecurityHeader wsseSecurity = secureMessage.findSecurityHeader();
        SOAPElement headerElement =  wsseSecurity.getCurrentHeaderElement();
       
        String localName = headerElement.getLocalName();
        if (log.isLoggable(Level.FINEST)) {
            log.log(Level.FINEST, "EncryptionProcessor:decrypt : LocalName is "+localName);
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    @SuppressWarnings("unchecked")
    private static void decryptReferenceList(SOAPElement refListSoapElement,
            SecretKey key,XMLCipher dataCipher, FilterProcessingContext context)
            throws XWSSecurityException {

        SecurableSoapMessage secureMessage = context.getSecurableSoapMessage();
        ReferenceListHeaderBlock refList =  new ReferenceListHeaderBlock(refListSoapElement);
       
        NodeList dataRefElements = refList.getDataRefElements();
        int numberOfEncryptedElems = refList.size();
        EncryptionPolicy policy = null;
       
        ArrayList targets = null;
        //Set references = new HashSet();
       
        boolean partialReqsMet = false;
       
        ArrayList optionalTargets =null;
        ArrayList requiredTargets =null;
        ArrayList attachmentTargets = null;
        boolean skipAttachments = false;
        EncryptionTarget allCT = null;
        boolean verifyReq = false;
        if(context.getMode() == FilterProcessingContext.ADHOC){
            policy = (EncryptionPolicy)context.getSecurityPolicy();
            targets = ((EncryptionPolicy.FeatureBinding)policy.getFeatureBinding()).getTargetBindings();
            optionalTargets = new ArrayList();
            requiredTargets = new ArrayList();
           
            int i=0;
            while(i < targets.size()){
                EncryptionTarget et = (EncryptionTarget)targets.get(i++);
                if(et.getEnforce()){
                    String value =et.getValue();
                    if(value == MessageConstants.PROCESS_ALL_ATTACHMENTS){
                        if(attachmentTargets == null){
                            attachmentTargets = new ArrayList();
                        }
                        allCT = et;
                        skipAttachments = true;
                    }else{
                        requiredTargets.add(et);
                    }
                }else{
                    optionalTargets.add(et);
                }
            }
            if(requiredTargets.size() > 0 || skipAttachments){
                verifyReq = true;
            }
        } else if(context.getMode() == FilterProcessingContext.POSTHOC) {
            policy = new EncryptionPolicy();
            MessagePolicy messagePolicy = (MessagePolicy) context.getSecurityPolicy();
            messagePolicy.append(policy);
            //policy is passed to processencryptedata method.
        }
       
        for (int i = 0; i < numberOfEncryptedElems; i ++) {
            String refURI = ((SOAPElement) dataRefElements.item(i)).getAttribute("URI");
            SOAPElement encDataElement = null;
            EncryptedData ed = null;

            encDataElement =(SOAPElement) secureMessage.getElementById(refURI.substring(1));
            if(encDataElement.getLocalName()==MessageConstants.ENCRYPTED_HEADER_LNAME||encDataElement.getLocalName().equals(MessageConstants.ENCRYPTED_HEADER_LNAME)){
                Iterator itr = encDataElement.getChildElements();
                SOAPElement encDataElementChild = null;
                while(itr.hasNext()){
                    encDataElementChild = (SOAPElement)itr.next();
                }
                if(encDataElementChild==null){
                    throw new XWSSecurityException("No EncryptedData child element found in EncryptedHeader");
                }
                ed = processEncryptedData(encDataElementChild, key,dataCipher, context,requiredTargets,optionalTargets,policy,false);
            }else{
                ed =processEncryptedData(encDataElement, key,dataCipher, context,requiredTargets,optionalTargets,policy,false);
            }
           
            if(context.getMode() == FilterProcessingContext.ADHOC && verifyReq){
                if(ed.isAttachmentData() && skipAttachments){
                    attachmentTargets.add(ed);
                    continue;
                }
                //ArrayList targetElements = getAllTargetElements(secureMsg, requiredTargets, false);
                if(!verifyTargets(secureMessage,requiredTargets,ed,true)){
                    if(optionalTargets.size() == 0){
                        log.log(Level.SEVERE, "WSS1230.failed.receiverReq");
                        throw new XWSSecurityException("Receiver requirement "+
                                "for URI"+refURI+ " is not met");
                    }else{
                        if(!verifyTargets(secureMessage,optionalTargets,ed,false)){
                            log.log(Level.SEVERE, "WSS1230.failed.receiverReq");
                            throw new XWSSecurityException("Receiver requirement "+
                                    "for URI"+refURI+ " is not met");
                        }
                    }
                }
            }
        }
        if(skipAttachments){
            int count = secureMessage.countAttachments();
            if( count > attachmentTargets.size()){
                log.log(Level.SEVERE, "WSS1238.failed.receiverReq.attachments");
                throw new XWSSecurityException("Receiver requirement cid:* is not met,only "+
                        attachmentTargets.size()+" attachments out of "+count+" were encrypted");
            }
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            if(requiredTargets.size() > 1){
                log.log(Level.SEVERE, "WSS1240.failed.receiverReq.moretargets");
                throw new XWSSecurityException("Receiver requirement has more targets specified");
            }
           
            SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
            if(verifyReq && !verifyTargets(secureMsg,requiredTargets,ed,true)){
                if(optionalTargets.size() == 0){
                    log.log(Level.SEVERE, "WSS1241.failed.receiverReq.encryptedData");
                    throw new XWSSecurityException("Receiver requirement "+
                            "for EncryptedData with ID "+id+ " is not met");
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    public static EncryptedData processEncryptedData(SOAPElement encDataElement,SecretKey key,
            XMLCipher dataCipher,FilterProcessingContext context,ArrayList requiredTargets,
            ArrayList optionalTargets,EncryptionPolicy encryptionPolicy,boolean updateSH) throws XWSSecurityException {
       
        EncryptedDataHeaderBlock xencEncryptedData = new EncryptedDataHeaderBlock(encDataElement);
        SecurableSoapMessage secureMessage = context.getSecurableSoapMessage();
        KeyInfoHeaderBlock keyInfo = xencEncryptedData.getKeyInfo();
        String algorithm = null;
        algorithm = xencEncryptedData.getEncryptionMethodURI();
       
        EncryptionPolicy inferredPolicy = (EncryptionPolicy)context.getInferredPolicy();
        EncryptionPolicy.FeatureBinding fb = null;
       
        //used for WSDL_POLICY mode
        EncryptionPolicy inferredWsdlEncPolicy = null;
        if(context.getMode() == FilterProcessingContext.WSDL_POLICY){
            try{
                int i = context.getInferredSecurityPolicy().size() - 1;
                inferredWsdlEncPolicy = (EncryptionPolicy)context.getInferredSecurityPolicy().get(i);
            } catch(Exception e){
                log.log(Level.SEVERE, "WSS1237.Error.Processing.EncrpytedData", e);
                throw new XWSSecurityException(e);
            }
        }
       
        if(inferredPolicy != null){
            fb = (EncryptionPolicy.FeatureBinding)inferredPolicy.getFeatureBinding();
            fb.setDataEncryptionAlgorithm(algorithm);
           
        }
        SecretKey symmetricKey = null;
        if (keyInfo == null ) {
            if(key == null){
                log.log(Level.SEVERE, "WSS1231.null.SymmetricKey");
                throw new XWSSecurityException("Symmetric Key is null");
            }
            symmetricKey = key;
        } else {
            context.setDataEncryptionAlgorithm(algorithm);
            symmetricKey = (SecretKey) KeyResolver.getKey(keyInfo, false, context);
            context.setDataEncryptionAlgorithm(null);
        }
       
        if (symmetricKey == null) {
            log.log(Level.SEVERE, "WSS1202.couldnot.locate.symmetrickey");
            throw new XWSSecurityException("Couldn't locate symmetricKey for decryption");
        }
       
        boolean isAttachment = false;
        String type = xencEncryptedData.getType();
        if (type.equals(MessageConstants.ATTACHMENT_CONTENT_ONLY_URI) ||
                type.equals(MessageConstants.ATTACHMENT_COMPLETE_URI)){
            isAttachment = true;
        }
       
        Node parent = null;
        Node prevSibling = null;
        boolean contentOnly = false;
       
        Element actualEncrypted = null;
        //String processedEncryptedDataId = xencEncryptedData.getId();
        AttachmentPart encryptedAttachment = null;
        com.sun.xml.messaging.saaj.soap.AttachmentPartImpl _attachmentBuffer =
                new com.sun.xml.messaging.saaj.soap.AttachmentPartImpl();
        if (isAttachment) {
            // decrypt attachment
            String uri = xencEncryptedData.getCipherReference(false, null).getAttribute("URI");
            contentOnly = type.equals(MessageConstants.ATTACHMENT_CONTENT_ONLY_URI);
           
            try {
                AttachmentPart p = secureMessage.getAttachmentPart(uri);
                Iterator j = p.getAllMimeHeaders();
                while (j.hasNext()) {
                    MimeHeader mh = (MimeHeader)j.next();
                    _attachmentBuffer.setMimeHeader(mh.getName(), mh.getValue());
                }
                _attachmentBuffer.setDataHandler(p.getDataHandler());
                encryptedAttachment = decryptAttachment(secureMessage, xencEncryptedData, symmetricKey);
               
            } catch (java.io.IOException ioe) {
                log.log(Level.SEVERE, "WSS1232.failedto.decrypt.attachment", ioe);
                throw new XWSSecurityException(ioe);
            } catch (javax.xml.soap.SOAPException se) {
                log.log(Level.SEVERE, "WSS1232.failedto.decrypt.attachment", se);
                throw new XWSSecurityException(se);
            } catch (javax.mail.MessagingException me) {
                log.log(Level.SEVERE, "WSS1232.failedto.decrypt.attachment", me);
                throw new XWSSecurityException(me);
            }
            encDataElement.detachNode();
        } else {
            parent = encDataElement.getParentNode();
            prevSibling = encDataElement.getPreviousSibling();
            if( dataCipher == null){
                dataCipher = initXMLCipher(symmetricKey, algorithm);
            }
            if(parent.getLocalName()==MessageConstants.ENCRYPTED_HEADER_LNAME||parent.getLocalName().equals(MessageConstants.ENCRYPTED_HEADER_LNAME)){
                try{
                    encDataElement.getParentNode().getParentNode().replaceChild(encDataElement, parent);
                    parent = encDataElement.getParentNode();
                    prevSibling = encDataElement.getPreviousSibling();
                }catch(DOMException e) {
                    log.log(Level.SEVERE, "WSS1242.exception.dom" ,e);
                    throw new XWSSecurityException(e);
                }
            }
            decryptElementWithCipher(dataCipher, encDataElement, secureMessage);
           
            SOAPElement currentNode = null;
            if(updateSH && secureMessage.findSecurityHeader().getCurrentHeaderBlockElement() ==
                    encDataElement){
                if(prevSibling == null ){
                    currentNode = (SOAPElement)parent.getFirstChild();
                }else{
                    currentNode = (SOAPElement)prevSibling.getNextSibling();
                }
                secureMessage.findSecurityHeader().setCurrentHeaderElement(currentNode);
            }
           
            if (xencEncryptedData.getType().equals(MessageConstants.XENC_NS+"Content")) {
                actualEncrypted = (Element)resolveEncryptedNode(parent,prevSibling,true);
                contentOnly = true;
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    }
   
   
    Data dereferenceURI (String uri, XMLCryptoContext context) throws URIReferenceException, XWSSecurityException{
        FilterProcessingContext filterContext =(FilterProcessingContext) context.get (MessageConstants.WSS_PROCESSING_CONTEXT);
        SecurableSoapMessage secureMsg = filterContext.getSecurableSoapMessage ();
        if(uri == null || uri.equals ("")){
            SOAPMessage msg = filterContext.getSOAPMessage ();
            Document doc = msg.getSOAPPart ();
            if(_constructor == null){
                return convertToData ((Node)doc,true);
            }else{
                try{
                    return (Data)_constructor.newInstance (new Object[] {doc,_false});
                }catch(Exception ex){
                    //throw new XWSSecurityException(ex);
                }
                return convertToData ((Node)doc,true);
            }
        }else if(uri.charAt (0) == '#'){
            return dereferenceFragment (secureMsg.getIdFromFragmentRef (uri),context);
        }else if(uri.startsWith ("cid:") || uri.startsWith ("attachmentRef:")){
            return dereferenceAttachments (uri,context);
        }else if(uri.startsWith ("http")){
            //throw new UnsupportedOperationException("Not yet supported ");
            return dereferenceExternalResource (uri,context);
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