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Method and apparatus for establishing computational challenges for use in communication between client and server

A technology for client equipment and service equipment, applied in the field of data communication, can solve problems such as inefficiency and waste of resources, and achieve the effect of improving efficiency and high overhead

Active Publication Date: 2020-11-10
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In some cases, the sending and receiving / validation of the puzzle still creates unnecessary overhead, i.e. wastes resources in terms of bandwidth and computational processing, and is therefore inefficient, requiring improvements in preventing and controlling overload situations

Method used

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  • Method and apparatus for establishing computational challenges for use in communication between client and server
  • Method and apparatus for establishing computational challenges for use in communication between client and server
  • Method and apparatus for establishing computational challenges for use in communication between client and server

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Embodiment Construction

[0036] In the following description, for purposes of illustration and not limitation, specific details such as specific architectures, interfaces, techniques, etc. are set forth in order to provide a thorough understanding. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description with unnecessary detail. Throughout the specification, the same reference symbols refer to the same or similar parts.

[0037] figure 2An environment in which embodiments of the present disclosure may be implemented is schematically shown. The communication system 1 includes a plurality of client devices 2 and service devices 3 (hereinafter also simply referred to as servers) that can communicate using an access network 4 . The access network 4 may comprise, for example, a radio access network (RAN), in which case the client 4 may comprise, for example, a mobile terminal or user equipment (UE), and the serving device may ...

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PUM

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Abstract

The present disclosure relates to a method (20) for a serving device (3), which establishes a computational puzzle used in communication between a client device (2) and a serving device (3). The method (20) comprises: on the basis of a secret key shared by the client device (2) and the service device (3) and on the solution (s', s") of the computational problem (p), establishing in the service device (3) (21) Computational difficulty (p). Another method (30) in the service device, method (60, 70) for the client device (2), service device (3), client device (2) are provided , computer programs and computer program products.

Description

technical field [0001] The technology disclosed herein relates generally to the field of data communications, and more particularly to methods and apparatus for setting up and solving computational problems. Background technique [0002] When providing various forms of network services (such as network access or access to application programs, etc.), in some cases a service entity (such as a server) becomes overloaded due to receiving too many service requests at about the same time. This overload can also be caused by so-called denial-of-service (DoS) attacks, in which a malicious client deliberately floods a service with requests. It is especially difficult to protect against overload attacks at the time of the initial request, before security has been proven (ie before the client is authenticated). [0003] Overload situations are sometimes avoided using a mechanism known as "difficulty". The purpose of the puzzle is to place a small computational burden on the client, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/02H04L9/40H04L65/00
CPCH04L63/1458H04L65/00H04L9/0643H04L63/08H04L63/12
Inventor 古兰·塞兰德埃琳娜·杜波罗瓦弗雷德里克·林德奎斯特马茨·内斯隆德
Owner TELEFON AB LM ERICSSON (PUBL)