check_opaque

# File lib/webrick/httpauth/digestauth.rb, line 347
      def check_opaque(opaque_struct, req, auth_req)
        if (@use_next_nonce && auth_req['nonce'] != opaque_struct.nonce)
          error('%s: nonce unmatched. "%s" for "%s"',
                auth_req['username'], auth_req['nonce'], opaque_struct.nonce)
          return false
        elsif !check_nonce(req, auth_req)
          return false
        end
        if (@check_nc && auth_req['nc'] != opaque_struct.nc)
          error('%s: nc unmatched."%s" for "%s"',
                auth_req['username'], auth_req['nc'], opaque_struct.nc)
          return false
        end
        true
      end