public SymmetricBindingHandler(
     WSSConfig config,
     SymmetricBinding binding,
     SOAPMessage saaj,
     WSSecHeader secHeader,
     AssertionInfoMap aim,
     SoapMessage message) {
   super(config, binding, saaj, secHeader, aim, message);
   this.sbinding = binding;
   tokenStore = getTokenStore();
   protectionOrder = binding.getProtectionOrder();
 }
  public void handleBinding() {
    WSSecTimestamp timestamp = createTimestamp();
    handleLayout(timestamp);

    if (isRequestor()) {
      // Setup required tokens
      initializeTokens();
    }

    if (sbinding.getProtectionOrder() == SPConstants.ProtectionOrder.EncryptBeforeSigning) {
      doEncryptBeforeSign();
    } else {
      doSignBeforeEncrypt();
    }
    // REVIST - what to do with these policies?
    policyAsserted(SP11Constants.TRUST_10);
    policyAsserted(SP12Constants.TRUST_13);
  }
예제 #3
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  private void processAlternatives(
      List assertions, SymmetricBinding symmetricBinding, SPConstants consts) {
    Assertion assertion;
    QName name;

    for (Iterator iterator = assertions.iterator(); iterator.hasNext(); ) {
      assertion = (Assertion) iterator.next();
      name = assertion.getName();

      if (!consts.getNamespace().equals(name.getNamespaceURI())
          && !SP12Constants.INSTANCE.getNamespace().equals(name.getNamespaceURI())) {
        continue;
      }

      if (SPConstants.ALGO_SUITE.equals(name.getLocalPart())) {
        symmetricBinding.setAlgorithmSuite((AlgorithmSuite) assertion);

      } else if (SPConstants.LAYOUT.equals(name.getLocalPart())) {
        symmetricBinding.setLayout((Layout) assertion);

      } else if (SPConstants.INCLUDE_TIMESTAMP.equals(name.getLocalPart())) {
        symmetricBinding.setIncludeTimestamp(true);

      } else if (SPConstants.PROTECTION_TOKEN.equals(name.getLocalPart())) {
        symmetricBinding.setProtectionToken((ProtectionToken) assertion);

      } else if (SPConstants.ENCRYPT_BEFORE_SIGNING.equals(name.getLocalPart())) {
        symmetricBinding.setProtectionOrder(SPConstants.ProtectionOrder.EncryptBeforeSigning);

      } else if (SPConstants.SIGN_BEFORE_ENCRYPTING.equals(name.getLocalPart())) {
        symmetricBinding.setProtectionOrder(SPConstants.ProtectionOrder.SignBeforeEncrypting);

      } else if (SPConstants.ONLY_SIGN_ENTIRE_HEADERS_AND_BODY.equals(name.getLocalPart())) {
        symmetricBinding.setEntireHeadersAndBodySignatures(true);
      } else if (SPConstants.ENCRYPT_SIGNATURE.equals(name.getLocalPart())) {
        symmetricBinding.setSignatureProtection(true);
      }
    }
  }
 private TokenWrapper getEncryptionToken() {
   if (sbinding.getProtectionToken() != null) {
     return sbinding.getProtectionToken();
   }
   return sbinding.getEncryptionToken();
 }
  private byte[] doSignature(
      List<WSEncryptionPart> sigs,
      TokenWrapper policyTokenWrapper,
      Token policyToken,
      SecurityToken tok,
      boolean included)
      throws WSSecurityException {
    if (policyToken.isDerivedKeys()) {
      return doSignatureDK(sigs, policyTokenWrapper, policyToken, tok, included);
    } else {
      WSSecSignature sig = new WSSecSignature(wssConfig);
      sig.setWsConfig(wssConfig);
      // If a EncryptedKeyToken is used, set the correct value type to
      // be used in the wsse:Reference in ds:KeyInfo
      int type =
          included ? WSConstants.CUSTOM_SYMM_SIGNING : WSConstants.CUSTOM_SYMM_SIGNING_DIRECT;
      if (policyToken instanceof X509Token) {
        if (isRequestor()) {
          sig.setCustomTokenValueType(
              WSConstants.SOAPMESSAGE_NS11 + "#" + WSConstants.ENC_KEY_VALUE_TYPE);
          sig.setKeyIdentifierType(type);
        } else {
          // the tok has to be an EncryptedKey token
          sig.setEncrKeySha1value(tok.getSHA1());
          sig.setKeyIdentifierType(WSConstants.ENCRYPTED_KEY_SHA1_IDENTIFIER);
        }
      } else if (policyToken instanceof UsernameToken) {
        sig.setCustomTokenValueType(WSConstants.WSS_USERNAME_TOKEN_VALUE_TYPE);
        sig.setKeyIdentifierType(type);
      } else {
        // Setting the AttachedReference or the UnattachedReference according to the flag
        Element ref;
        if (included) {
          ref = tok.getAttachedReference();
        } else {
          ref = tok.getUnattachedReference();
        }

        if (ref != null) {
          SecurityTokenReference secRef = new SecurityTokenReference(cloneElement(ref), false);
          sig.setSecurityTokenReference(secRef);
          sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
        } else {
          String tokenType = tok.getTokenType();
          if (WSConstants.WSS_SAML_TOKEN_TYPE.equals(tokenType)
              || WSConstants.SAML_NS.equals(tokenType)) {
            sig.setCustomTokenValueType(WSConstants.WSS_SAML_KI_VALUE_TYPE);
            sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
          } else if (WSConstants.WSS_SAML2_TOKEN_TYPE.equals(tokenType)
              || WSConstants.SAML2_NS.equals(tokenType)) {
            sig.setCustomTokenValueType(WSConstants.WSS_SAML2_KI_VALUE_TYPE);
            sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
          } else {
            sig.setCustomTokenValueType(tokenType);
            sig.setKeyIdentifierType(type);
          }
        }
      }

      String sigTokId;
      if (included) {
        sigTokId = tok.getWsuId();
        if (sigTokId == null) {
          if (policyToken instanceof SecureConversationToken
              || policyToken instanceof SecurityContextToken) {
            sig.setKeyIdentifierType(WSConstants.CUSTOM_SYMM_SIGNING_DIRECT);
          }
          sigTokId = tok.getId();
        }
        if (sigTokId.startsWith("#")) {
          sigTokId = sigTokId.substring(1);
        }
      } else {
        sigTokId = tok.getId();
      }

      if (included && sbinding.isTokenProtection()) {
        sigs.add(new WSEncryptionPart(sigTokId));
      }

      sig.setCustomTokenId(sigTokId);
      sig.setSecretKey(tok.getSecret());
      sig.setSignatureAlgorithm(sbinding.getAlgorithmSuite().getSymmetricSignature());
      Crypto crypto = null;
      if (sbinding.getProtectionToken() != null) {
        crypto = getEncryptionCrypto(sbinding.getProtectionToken());
      } else {
        crypto = getSignatureCrypto(policyTokenWrapper);
      }
      this.message.getExchange().put(SecurityConstants.SIGNATURE_CRYPTO, crypto);
      sig.prepare(saaj.getSOAPPart(), crypto, secHeader);
      sig.setParts(sigs);
      List<Reference> referenceList = sig.addReferencesToSign(sigs, secHeader);

      // Do signature
      if (bottomUpElement == null) {
        sig.computeSignature(referenceList, false, null);
      } else {
        sig.computeSignature(referenceList, true, bottomUpElement);
      }
      bottomUpElement = sig.getSignatureElement();

      this.mainSigId = sig.getId();
      return sig.getSignatureValue();
    }
  }
  private byte[] doSignatureDK(
      List<WSEncryptionPart> sigs,
      TokenWrapper policyTokenWrapper,
      Token policyToken,
      SecurityToken tok,
      boolean included)
      throws WSSecurityException {
    Document doc = saaj.getSOAPPart();
    WSSecDKSign dkSign = new WSSecDKSign(wssConfig);
    if (policyTokenWrapper.getToken().getSPConstants() == SP12Constants.INSTANCE) {
      dkSign.setWscVersion(ConversationConstants.VERSION_05_12);
    }

    // Check for whether the token is attached in the message or not
    boolean attached = false;
    if (includeToken(policyToken.getInclusion())) {
      attached = true;
    }

    // Setting the AttachedReference or the UnattachedReference according to the flag
    Element ref;
    if (attached) {
      ref = tok.getAttachedReference();
    } else {
      ref = tok.getUnattachedReference();
    }

    if (ref != null) {
      dkSign.setExternalKey(tok.getSecret(), cloneElement(ref));
    } else if (!isRequestor() && policyToken.isDerivedKeys() && tok.getSHA1() != null) {
      // If the Encrypted key used to create the derived key is not
      // attached use key identifier as defined in WSS1.1 section
      // 7.7 Encrypted Key reference
      SecurityTokenReference tokenRef = new SecurityTokenReference(doc);
      if (tok.getSHA1() != null) {
        tokenRef.setKeyIdentifierEncKeySHA1(tok.getSHA1());
        String tokenType = tok.getTokenType();
        if (tokenType == null) {
          tokenType = WSConstants.WSS_ENC_KEY_VALUE_TYPE;
        }
        tokenRef.addTokenType(tokenType);
      }
      dkSign.setExternalKey(tok.getSecret(), tokenRef.getElement());
    } else {
      if ((!attached && !isRequestor())
          || policyToken instanceof SecureConversationToken
          || policyToken instanceof SecurityContextToken) {
        dkSign.setTokenIdDirectId(true);
      }
      dkSign.setExternalKey(tok.getSecret(), tok.getId());
    }

    // Set the algo info
    dkSign.setSignatureAlgorithm(sbinding.getAlgorithmSuite().getSymmetricSignature());
    dkSign.setDerivedKeyLength(sbinding.getAlgorithmSuite().getSignatureDerivedKeyLength() / 8);
    if (tok.getSHA1() != null) {
      // Set the value type of the reference
      String tokenType = tok.getTokenType();
      if (tokenType == null) {
        tokenType = WSConstants.WSS_ENC_KEY_VALUE_TYPE;
      }
      dkSign.setCustomValueType(tokenType);
    } else {
      String tokenType = tok.getTokenType();
      if (WSConstants.WSS_SAML_TOKEN_TYPE.equals(tokenType)
          || WSConstants.SAML_NS.equals(tokenType)) {
        dkSign.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
        dkSign.setCustomValueType(WSConstants.WSS_SAML_KI_VALUE_TYPE);
      } else if (WSConstants.WSS_SAML2_TOKEN_TYPE.equals(tokenType)
          || WSConstants.SAML2_NS.equals(tokenType)) {
        dkSign.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
        dkSign.setCustomValueType(WSConstants.WSS_SAML2_KI_VALUE_TYPE);
      } else if (policyToken instanceof UsernameToken) {
        dkSign.setCustomValueType(WSConstants.WSS_USERNAME_TOKEN_VALUE_TYPE);
      } else {
        dkSign.setCustomValueType(tokenType);
      }
    }

    try {
      dkSign.prepare(doc, secHeader);
    } catch (ConversationException e) {
      throw new WSSecurityException(e.getMessage(), e);
    }

    if (sbinding.isTokenProtection()) {
      String sigTokId = tok.getId();
      if (included) {
        sigTokId = tok.getWsuId();
        if (sigTokId == null) {
          sigTokId = tok.getId();
        }
        if (sigTokId.startsWith("#")) {
          sigTokId = sigTokId.substring(1);
        }
      }
      sigs.add(new WSEncryptionPart(sigTokId));
    }

    dkSign.setParts(sigs);
    List<Reference> referenceList = dkSign.addReferencesToSign(sigs, secHeader);

    // Add elements to header
    Element el = dkSign.getdktElement();
    addDerivedKeyElement(el);

    // Do signature
    if (bottomUpElement == null) {
      dkSign.computeSignature(referenceList, false, null);
    } else {
      dkSign.computeSignature(referenceList, true, bottomUpElement);
    }
    bottomUpElement = dkSign.getSignatureElement();

    this.mainSigId = dkSign.getSignatureId();

    return dkSign.getSignatureValue();
  }
  private WSSecBase doEncryption(
      TokenWrapper recToken,
      SecurityToken encrTok,
      boolean attached,
      List<WSEncryptionPart> encrParts,
      boolean atEnd) {
    // Do encryption
    if (recToken != null && recToken.getToken() != null && encrParts.size() > 0) {
      Token encrToken = recToken.getToken();
      policyAsserted(recToken);
      policyAsserted(encrToken);
      AlgorithmSuite algorithmSuite = sbinding.getAlgorithmSuite();
      if (encrToken.isDerivedKeys()) {
        return doEncryptionDerived(recToken, encrTok, encrToken, attached, encrParts, atEnd);
      } else {
        try {
          WSSecEncrypt encr = new WSSecEncrypt(wssConfig);
          String encrTokId = encrTok.getId();
          if (attached) {
            encrTokId = encrTok.getWsuId();
            if (encrTokId == null
                && (encrToken instanceof SecureConversationToken
                    || encrToken instanceof SecurityContextToken)) {
              encr.setEncKeyIdDirectId(true);
              encrTokId = encrTok.getId();
            } else if (encrTokId == null) {
              encrTokId = encrTok.getId();
            }
            if (encrTokId.startsWith("#")) {
              encrTokId = encrTokId.substring(1);
            }
          } else {
            encr.setEncKeyIdDirectId(true);
          }
          if (encrTok.getTokenType() != null) {
            encr.setCustomReferenceValue(encrTok.getTokenType());
          }
          encr.setEncKeyId(encrTokId);
          encr.setEphemeralKey(encrTok.getSecret());
          Crypto crypto = getEncryptionCrypto(recToken);
          if (crypto != null) {
            this.message.getExchange().put(SecurityConstants.ENCRYPT_CRYPTO, crypto);
            setEncryptionUser(encr, recToken, false, crypto);
          }

          encr.setDocument(saaj.getSOAPPart());
          encr.setEncryptSymmKey(false);
          encr.setSymmetricEncAlgorithm(algorithmSuite.getEncryption());

          if (encrToken instanceof IssuedToken || encrToken instanceof SpnegoContextToken) {
            // Setting the AttachedReference or the UnattachedReference according to the flag
            Element ref;
            if (attached) {
              ref = encrTok.getAttachedReference();
            } else {
              ref = encrTok.getUnattachedReference();
            }

            String tokenType = encrTok.getTokenType();
            if (ref != null) {
              SecurityTokenReference secRef = new SecurityTokenReference(cloneElement(ref), false);
              encr.setSecurityTokenReference(secRef);
            } else if (WSConstants.WSS_SAML_TOKEN_TYPE.equals(tokenType)
                || WSConstants.SAML_NS.equals(tokenType)) {
              encr.setCustomReferenceValue(WSConstants.WSS_SAML_KI_VALUE_TYPE);
              encr.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
            } else if (WSConstants.WSS_SAML2_TOKEN_TYPE.equals(tokenType)
                || WSConstants.SAML2_NS.equals(tokenType)) {
              encr.setCustomReferenceValue(WSConstants.WSS_SAML2_KI_VALUE_TYPE);
              encr.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
            } else {
              encr.setCustomReferenceValue(tokenType);
              encr.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
            }
          } else if (encrToken instanceof UsernameToken) {
            encr.setCustomReferenceValue(WSConstants.WSS_USERNAME_TOKEN_VALUE_TYPE);
          } else if (!isRequestor()) {
            if (encrTok.getSHA1() != null) {
              encr.setCustomReferenceValue(encrTok.getSHA1());
              encr.setKeyIdentifierType(WSConstants.ENCRYPTED_KEY_SHA1_IDENTIFIER);
            } else {
              encr.setKeyIdentifierType(WSConstants.EMBED_SECURITY_TOKEN_REF);
            }
          }

          encr.prepare(saaj.getSOAPPart(), crypto);

          if (encr.getBSTTokenId() != null) {
            encr.prependBSTElementToHeader(secHeader);
          }

          Element refList = encr.encryptForRef(null, encrParts);
          if (atEnd) {
            this.insertBeforeBottomUp(refList);
          } else {
            this.addDerivedKeyElement(refList);
          }
          return encr;
        } catch (WSSecurityException e) {
          policyNotAsserted(recToken, e);
        }
      }
    }
    return null;
  }
  private WSSecBase doEncryptionDerived(
      TokenWrapper recToken,
      SecurityToken encrTok,
      Token encrToken,
      boolean attached,
      List<WSEncryptionPart> encrParts,
      boolean atEnd) {
    try {
      WSSecDKEncrypt dkEncr = new WSSecDKEncrypt(wssConfig);
      if (recToken.getToken().getSPConstants() == SP12Constants.INSTANCE) {
        dkEncr.setWscVersion(ConversationConstants.VERSION_05_12);
      }

      if (attached && encrTok.getAttachedReference() != null) {
        dkEncr.setExternalKey(encrTok.getSecret(), cloneElement(encrTok.getAttachedReference()));
      } else if (encrTok.getUnattachedReference() != null) {
        dkEncr.setExternalKey(encrTok.getSecret(), cloneElement(encrTok.getUnattachedReference()));
      } else if (!isRequestor() && encrTok.getSHA1() != null) {
        // If the Encrypted key used to create the derived key is not
        // attached use key identifier as defined in WSS1.1 section
        // 7.7 Encrypted Key reference
        SecurityTokenReference tokenRef = new SecurityTokenReference(saaj.getSOAPPart());
        tokenRef.setKeyIdentifierEncKeySHA1(encrTok.getSHA1());
        String tokenType = encrTok.getTokenType();
        if (tokenType == null) {
          tokenType = WSConstants.WSS_ENC_KEY_VALUE_TYPE;
        }
        tokenRef.addTokenType(tokenType);
        dkEncr.setExternalKey(encrTok.getSecret(), tokenRef.getElement());
      } else {
        if (attached) {
          String id = encrTok.getWsuId();
          if (id == null
              && (encrToken instanceof SecureConversationToken
                  || encrToken instanceof SecurityContextToken)) {
            dkEncr.setTokenIdDirectId(true);
            id = encrTok.getId();
          } else if (id == null) {
            id = encrTok.getId();
          }
          if (id.startsWith("#")) {
            id = id.substring(1);
          }
          dkEncr.setExternalKey(encrTok.getSecret(), id);
        } else {
          dkEncr.setTokenIdDirectId(true);
          dkEncr.setExternalKey(encrTok.getSecret(), encrTok.getId());
        }
      }

      if (encrTok.getSHA1() != null) {
        String tokenType = encrTok.getTokenType();
        if (tokenType == null) {
          tokenType = WSConstants.WSS_ENC_KEY_VALUE_TYPE;
        }
        dkEncr.setCustomValueType(tokenType);
      } else {
        String tokenType = encrTok.getTokenType();
        if (WSConstants.WSS_SAML_TOKEN_TYPE.equals(tokenType)
            || WSConstants.SAML_NS.equals(tokenType)) {
          dkEncr.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
          dkEncr.setCustomValueType(WSConstants.WSS_SAML_KI_VALUE_TYPE);
        } else if (WSConstants.WSS_SAML2_TOKEN_TYPE.equals(tokenType)
            || WSConstants.SAML2_NS.equals(tokenType)) {
          dkEncr.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
          dkEncr.setCustomValueType(WSConstants.WSS_SAML2_KI_VALUE_TYPE);
        } else if (encrToken instanceof UsernameToken) {
          dkEncr.setCustomValueType(WSConstants.WSS_USERNAME_TOKEN_VALUE_TYPE);
        } else {
          dkEncr.setCustomValueType(tokenType);
        }
      }

      dkEncr.setSymmetricEncAlgorithm(sbinding.getAlgorithmSuite().getEncryption());
      dkEncr.setDerivedKeyLength(sbinding.getAlgorithmSuite().getEncryptionDerivedKeyLength() / 8);
      dkEncr.prepare(saaj.getSOAPPart());
      Element encrDKTokenElem = null;
      encrDKTokenElem = dkEncr.getdktElement();
      addDerivedKeyElement(encrDKTokenElem);
      Element refList = dkEncr.encryptForExternalRef(null, encrParts);
      if (atEnd) {
        this.insertBeforeBottomUp(refList);
      } else {
        this.addDerivedKeyElement(refList);
      }
      return dkEncr;
    } catch (Exception e) {
      policyNotAsserted(recToken, e);
    }
    return null;
  }
  private void doSignBeforeEncrypt() {
    TokenWrapper sigTokenWrapper = getSignatureToken();
    Token sigToken = sigTokenWrapper.getToken();

    String sigTokId = null;
    Element sigTokElem = null;

    try {
      SecurityToken sigTok = null;
      if (sigToken != null) {
        if (sigToken instanceof SecureConversationToken
            || sigToken instanceof SecurityContextToken
            || sigToken instanceof IssuedToken
            || sigToken instanceof KerberosToken
            || sigToken instanceof SpnegoContextToken) {
          sigTok = getSecurityToken();
        } else if (sigToken instanceof X509Token) {
          if (isRequestor()) {
            sigTokId = setupEncryptedKey(sigTokenWrapper, sigToken);
          } else {
            sigTokId = getEncryptedKey();
          }
        } else if (sigToken instanceof UsernameToken) {
          if (isRequestor()) {
            sigTokId = setupUTDerivedKey((UsernameToken) sigToken);
          } else {
            sigTokId = getUTDerivedKey();
          }
        }
      } else {
        policyNotAsserted(sbinding, "No signature token");
        return;
      }

      if (sigTok == null && StringUtils.isEmpty(sigTokId)) {
        policyNotAsserted(sigTokenWrapper, "No signature token id");
        return;
      } else {
        policyAsserted(sigTokenWrapper);
      }
      if (sigTok == null) {
        sigTok = tokenStore.getToken(sigTokId);
      }
      // if (sigTok == null) {
      // REVISIT - no token?
      // }

      boolean tokIncluded = true;
      if (includeToken(sigToken.getInclusion())) {
        Element el = sigTok.getToken();
        sigTokElem = cloneElement(el);
        this.addEncryptedKeyElement(sigTokElem);
      } else if (isRequestor() && sigToken instanceof X509Token) {
        Element el = sigTok.getToken();
        sigTokElem = cloneElement(el);
        this.addEncryptedKeyElement(sigTokElem);
      } else {
        tokIncluded = false;
      }

      // Add timestamp
      List<WSEncryptionPart> sigs = getSignedParts();
      if (timestampEl != null) {
        WSEncryptionPart timestampPart = convertToEncryptionPart(timestampEl.getElement());
        sigs.add(timestampPart);
      }

      if (isRequestor()) {
        addSupportingTokens(sigs);
        if (!sigs.isEmpty()) {
          signatures.add(doSignature(sigs, sigTokenWrapper, sigToken, sigTok, tokIncluded));
        }
        doEndorse();
      } else {
        // confirm sig
        assertSupportingTokens(sigs);
        addSignatureConfirmation(sigs);
        if (!sigs.isEmpty()) {
          doSignature(sigs, sigTokenWrapper, sigToken, sigTok, tokIncluded);
        }
      }

      // Encryption
      TokenWrapper encrTokenWrapper = getEncryptionToken();
      Token encrToken = encrTokenWrapper.getToken();
      SecurityToken encrTok = null;
      if (sigToken.equals(encrToken)) {
        // Use the same token
        encrTok = sigTok;
      } else {
        policyNotAsserted(sbinding, "Encryption token does not equal signature token");
        return;
      }

      List<WSEncryptionPart> enc = getEncryptedParts();

      // Check for signature protection
      if (sbinding.isSignatureProtection()) {
        if (mainSigId != null) {
          WSEncryptionPart sigPart = new WSEncryptionPart(mainSigId, "Element");
          sigPart.setElement(bottomUpElement);
          enc.add(sigPart);
        }
        if (sigConfList != null && !sigConfList.isEmpty()) {
          enc.addAll(sigConfList);
        }
      }

      if (isRequestor()) {
        enc.addAll(encryptedTokensList);
      }
      doEncryption(encrTokenWrapper, encrTok, tokIncluded, enc, false);
    } catch (Exception e) {
      throw new Fault(e);
    }
  }
  private void doEncryptBeforeSign() {
    try {
      TokenWrapper encryptionWrapper = getEncryptionToken();
      Token encryptionToken = encryptionWrapper.getToken();
      List<WSEncryptionPart> encrParts = getEncryptedParts();
      List<WSEncryptionPart> sigParts = getSignedParts();

      // if (encryptionToken == null && encrParts.size() > 0) {
      // REVISIT - nothing to encrypt?
      // }

      if (encryptionToken != null && encrParts.size() > 0) {
        // The encryption token can be an IssuedToken or a
        // SecureConversationToken
        String tokenId = null;
        SecurityToken tok = null;
        if (encryptionToken instanceof IssuedToken
            || encryptionToken instanceof KerberosToken
            || encryptionToken instanceof SecureConversationToken
            || encryptionToken instanceof SecurityContextToken
            || encryptionToken instanceof SpnegoContextToken) {
          tok = getSecurityToken();
        } else if (encryptionToken instanceof X509Token) {
          if (isRequestor()) {
            tokenId = setupEncryptedKey(encryptionWrapper, encryptionToken);
          } else {
            tokenId = getEncryptedKey();
          }
        } else if (encryptionToken instanceof UsernameToken) {
          if (isRequestor()) {
            tokenId = setupUTDerivedKey((UsernameToken) encryptionToken);
          } else {
            tokenId = getUTDerivedKey();
          }
        }
        if (tok == null) {
          // if (tokenId == null || tokenId.length() == 0) {
          // REVISIT - no tokenId?   Exception?
          // }
          if (tokenId != null && tokenId.startsWith("#")) {
            tokenId = tokenId.substring(1);
          }

          /*
           * Get hold of the token from the token storage
           */
          tok = tokenStore.getToken(tokenId);
        }

        boolean attached = false;

        if (includeToken(encryptionToken.getInclusion())) {
          Element el = tok.getToken();
          this.addEncryptedKeyElement(cloneElement(el));
          attached = true;
        } else if (encryptionToken instanceof X509Token && isRequestor()) {
          Element el = tok.getToken();
          this.addEncryptedKeyElement(cloneElement(el));
          attached = true;
        }

        WSSecBase encr = doEncryption(encryptionWrapper, tok, attached, encrParts, true);

        handleEncryptedSignedHeaders(encrParts, sigParts);

        if (timestampEl != null) {
          WSEncryptionPart timestampPart = convertToEncryptionPart(timestampEl.getElement());
          sigParts.add(timestampPart);
        }

        if (isRequestor()) {
          this.addSupportingTokens(sigParts);
        } else {
          addSignatureConfirmation(sigParts);
        }

        // Sign the message
        // We should use the same key in the case of EncryptBeforeSig
        if (sigParts.size() > 0) {
          signatures.add(
              this.doSignature(sigParts, encryptionWrapper, encryptionToken, tok, attached));
        }

        if (isRequestor()) {
          this.doEndorse();
        }

        // Check for signature protection and encryption of UsernameToken
        if (sbinding.isSignatureProtection() || encryptedTokensList.size() > 0 && isRequestor()) {
          List<WSEncryptionPart> secondEncrParts = new ArrayList<WSEncryptionPart>();

          // Now encrypt the signature using the above token
          if (sbinding.isSignatureProtection()) {
            if (this.mainSigId != null) {
              WSEncryptionPart sigPart = new WSEncryptionPart(this.mainSigId, "Element");
              sigPart.setElement(bottomUpElement);
              secondEncrParts.add(sigPart);
            }
            if (sigConfList != null && !sigConfList.isEmpty()) {
              secondEncrParts.addAll(sigConfList);
            }
          }

          if (isRequestor()) {
            secondEncrParts.addAll(encryptedTokensList);
          }

          Element secondRefList = null;

          if (encryptionToken.isDerivedKeys() && !secondEncrParts.isEmpty()) {
            secondRefList = ((WSSecDKEncrypt) encr).encryptForExternalRef(null, secondEncrParts);
            this.addDerivedKeyElement(secondRefList);
          } else if (!secondEncrParts.isEmpty()) {
            // Encrypt, get hold of the ref list and add it
            secondRefList = ((WSSecEncrypt) encr).encryptForRef(null, encrParts);
            this.addDerivedKeyElement(secondRefList);
          }
        }
      }
    } catch (RuntimeException ex) {
      throw ex;
    } catch (Exception ex) {
      throw new Fault(ex);
    }
  }