code: public String decryptDecorated( final String str, final String passPhrase )
          throws PlexusCipherException
      {
          if ( str == null || str.length() < 1 )
          {
              return str;
          }
  
          if ( isEncryptedString( str ) )
          {
              return decrypt( unDecorate( str ), passPhrase );
          }
  
          return decrypt( str, passPhrase );
      }
docs: ---------------------------------------------------------------