基于三次握手與MD5的輕量化接入認證算法

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中圖分類號：TN918.91 文獻標志碼：A DOI：10.12305/j.issn.1001-506X.2025.03.31

Lightweight access authentication algorithm based on three-way hand-shake and MD5

GAO Yuehongl，*，ZHANG Xue2，LI Chenyang1 （1. Schoolof Information and Communication Engineering，Beijing Universityof Posts and Telecommunications， Beijing l00876，China；2.Beijing Electro-Mechanical Engineering Institute，Beijingl00074，China）

Abstract：The self-organizing network，dueto itscharacteristics of flexible networkingand communication completion without fixed facilities，has been widelyused in scenarios such asemergencyrescueand military confrontation，However，itssecurity lacks suffcient protection.Adressing the potential interference from external attackers during thenetwork construction phaseofself-organizing networks，ahigh-reliability，low-costaccess authenticationalgorithmis designed.Toreduce thecommunication payloadoverhead introduced by thealgorithm， improvementsare madetothe traditional message digest5（MD5）encryptionalgorithm，reducing the lengthof the encrypted results.Inorder to reduce theauthentication time overhead and resist transmission errors introduced by the algorithm，enhancementsare made to the traditional“thre-way hand-shake”mechanism，introducinga retransmision mechanism to reduce transmission errors，and an alert mechanism to identify atackers.Through simulationand theoreticalanalysis，itcan bedemonstrated thatthe proposedalgorithm is capableof resisting transmission errors between nodes，identifying potential attackers，and maintaining low communication payload and authentication time overhead.It can be widely applied in various self-organizing network systems.

Keywords：access authentication； self-organizing network；message-digest 5（MD5） algorithm；three-way hand-shake

0 引言

在無線通信領域，現(xiàn)有的主流通信系統(tǒng)大多需要固定設施（例如基站）作為基礎，這種通信系統(tǒng)的適用范圍較為有限，難以適用于一些比較惡劣的環(huán)境或突發(fā)事件中，例如自然災害發(fā)生區(qū)域、軍事戰(zhàn)場等。（剩余18034字）