    # File lib/ramaze/helper/httpdigest.rb, line 31
          def httpdigest_failure_internal(uid,realm)
            nonce = session[SESSION_NONCE] = httpdigest_uuid
            opaque = session[SESSION_OPAQUE][realm][uid] = httpdigest_uuid
            response['WWW-Authenticate'] = DIGEST_HEADER % [realm, nonce, opaque]
            response['Pragma'] = 'no-cache' # HTTP/1.0
            response['Cache-Control'] = 'no-cache' # HTTP/1.1
            response['Last-Modified'] = Time.now.httpdate
            httpdigest_failure
          end