/**
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements. See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership. The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.wss4j.common.derivedKey;
  
  import javax.xml.namespace.QName;
  
  import org.apache.wss4j.common.ext.WSSecurityException;
  
  /**
   * Class ConversationConstants
   */
  public final class ConversationConstants {
  
      public static final int VERSION_05_02 = 1;
  
      public static final int VERSION_05_12 = 2;
  
      public static final int DEFAULT_VERSION = VERSION_05_12;
  
      /**
       * WS-SecConv Feb 2005 version
       */
      public static final String WSC_NS_05_02 = "http://schemas.xmlsoap.org/ws/2005/02/sc";
  
      /**
       * WS-Sx version
       */
      public static final String WSC_NS_05_12 =
          "http://docs.oasis-open.org/ws-sx/ws-secureconversation/200512";
  
      /**
       * Token type of DerivedKeyToken
       */
      public static final String TOKEN_TYPE_DERIVED_KEY_TOKEN = "/dk";
  
      /**
       * Token type of SecurityContextToken
       */
      public static final String TOKEN_TYPE_SECURITY_CONTEXT_TOKEN = "/sct";
  
      /**
       * Field WSC_PREFIX
       */
      public static final String WSC_PREFIX = "wsc";
  
      /**
       * Field SECURITY_CONTEXT_TOKEN_LN
       */
      public static final String SECURITY_CONTEXT_TOKEN_LN =
              "SecurityContextToken";
  
      /**
       * Field IDENTIFIER_LN
       */
      public static final String IDENTIFIER_LN = "Identifier";
  
      /**
       * Field INSTANCE_LN
       */
      public static final String INSTANCE_LN = "Instance";
  
      /**
       * Field EXPIRES_LN
       */
      public static final String EXPIRES_LN = "Expires";
  
      /**
       * Field KEYS_LN
       */
      public static final String KEYS_LN = "Keys";
  
      /**
       * Field SECURITY_TOKEN_REFERENCE_LN
       */
      public static final String SECURITY_TOKEN_REFERENCE_LN =
              "SecurityTokenReference";
  
      /**
       * Field DERIVED_KEY_TOKEN_LN
       */
      public static final String DERIVED_KEY_TOKEN_LN = "DerivedKeyToken";
  
     /**
      * Field PROPERTIES_LN
      */
     public static final String PROPERTIES_LN = "Properties";
 
     /**
      * Field LENGTH_LN
      */
     public static final String LENGTH_LN = "Length";
 
     /**
      * Field GENERATION_LN
      */
     public static final String GENERATION_LN = "Generation";
 
     /**
      * Field OFFSET_LN
      */
     public static final String OFFSET_LN = "Offset";
 
     /**
      * Field LABEL_LN
      */
     public static final String LABEL_LN = "Label";
 
     /**
      * Field NONCE_LN
      */
     public static final String NONCE_LN = "Nonce";
 
     public static final int DIRECT_GENERATED = 1;
     public static final int STS_GENERATED = 2;
     public static final int STSREQUEST_TOKEN = 3;
     public static final int INTEROP_SCENE1 = 4;
 
     public static final String IDENTIFIER = "SCT_Identifier";
 
     public static final int DK_SIGN = 1;
     public static final int DK_ENCRYPT = 2;
 
     public static final String DEFAULT_LABEL = "WS-SecureConversation";
 
     public static final QName SECURITY_CTX_TOKEN_QNAME_05_02 =
         new QName(
             ConversationConstants.WSC_NS_05_02,
             ConversationConstants.SECURITY_CONTEXT_TOKEN_LN
         );
 
     public static final QName SECURITY_CTX_TOKEN_QNAME_05_12 =
         new QName(
             ConversationConstants.WSC_NS_05_12,
             ConversationConstants.SECURITY_CONTEXT_TOKEN_LN
         );
 
     public static final QName DERIVED_KEY_TOKEN_QNAME_05_02 =
         new QName(
             ConversationConstants.WSC_NS_05_02,
             ConversationConstants.DERIVED_KEY_TOKEN_LN
         );
 
     public static final QName DERIVED_KEY_TOKEN_QNAME_05_12 =
         new QName(
             ConversationConstants.WSC_NS_05_12,
             ConversationConstants.DERIVED_KEY_TOKEN_LN
         );
 
     /**
      * Key to hold the map of security context identifiers against the
      * service epr addresses (service scope) or wsa:Action values (operation
      * scope).
      */
     public static final String KEY_CONTEXT_MAP = "contextMap";
 
     private ConversationConstants() {
         // Complete
     }
 
     public interface DerivationAlgorithm {
         String P_SHA_1 =
             "http://schemas.xmlsoap.org/ws/2005/02/sc/dk/p_sha1";
 
         String P_SHA_1_2005_12 =
             "http://docs.oasis-open.org/ws-sx/ws-secureconversation/200512/dk/p_sha1";
 
         byte[] createKey(byte[] secret, byte[] seed, int offset, long length)
             throws WSSecurityException;
     }
 
     public static String getWSCNs(int version) {
         if (VERSION_05_02 == version) {
             return WSC_NS_05_02;
         } else {
             return WSC_NS_05_12;
         }
     }
 
     public static int getWSTVersion(String ns) {
         if (WSC_NS_05_02.equals(ns)) {
             return VERSION_05_02;
         } else {
             return VERSION_05_12;
         }
     }
 }