* @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * Checksum algorithm to be used.
    */
   private static String CHKSUM_ALGO = "MD5";
   /**
    * BOConfig instance.

     <INDEX_TYPE>sam_ectd_index</INDEX_TYPE>
     <!-- The name of the object that contains the checksum of the INDEX object -->
     <INDEX_CHKSUM_NAME>index-md5</INDEX_CHKSUM_NAME>
     <!-- Docbase type of children of the INDEX vDoc -->
     <SAM_ECTD_COMP>sam_ectd_comp</SAM_ECTD_COMP>

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

//                  and 'too many results' errors + authenticate using IP 
//                  or login, depending on the 'supportsLogin' property 
//                  + parses dynamically account ID and "md5" search action 
//                  signature.        [cb]
//

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * @param objId The id of obj whose checksum needs to be generated
    * @param format The format(rendition) whose rendition needs to be generated. If <code>null</code> the default rendition...  
    * @param algorithm The MessageDigest algorithm to use. Default is 'MD5'. Valid values - 'MD5', 'MD2', 'SHA-1','SHA-256'...  
    * 
    * @return The digest value. For any non-DFC errors, a <code>null</code> value is returned.

    * <br>This variable is configurable. The name of configuration element is same as this variable
    */
   public static String INDEX_CHKSUM_NAME = "index-md5";
   /**
    * The checksum algorithm to be used.