# File lib/win32/file.rb, line 221
      def securities(mask)
         sec_array = []
         if mask == 0
            sec_array.push('NONE')
         else
            if (mask & FULL) ^ FULL == 0
               sec_array.push('FULL')
            else
               SECURITY_RIGHTS.each{ |string, numeric|
                  if (numeric & mask) ^ numeric == 0
                     sec_array.push(string)
                  end
               }
            end
         end
         sec_array
      end