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基于对称密钥算法的5G网络防伪基站技术

作者:毛玉欣, 游世林, 闫新成 阅读量:459

基于对称密钥算法的5G网络防伪基站技术

毛玉欣,游世林,闫新成
(中兴通讯股份有限公司,中国 深圳 518057)

摘要:分析了5G网络场景下可能的伪基站攻击方式,提出了一种基于对称密钥算法的伪基站防护技术,包括密钥协商和传递流程、保护区信息提供流程和基站小区的真实性验证流程。设计了用于加密信息的密钥的产生、传递和使用方法,以及用于验证小区广播或单播消息真实性的密钥产生方法,实现了针对小区发送的广播消息或单播消息的真实性验证,达到了伪基站识别的效果。  
关键词:伪基站;对称密钥算法;保护区域;共享根密钥组  


Anti-Fake Base Station in 5G Network Based on Symmetric Cryptography Algorithm

MAO Yuxin, YOU Shilin, YAN Xincheng
(ZTE Corporation, Shenzhen 518057, China)

Abstract: The possible attack methods of the fake base stations in 5G network are analyzed. A technical solution for anti-fake base stations based on symmetric key algorithm is proposed, including protection key agreement and transmission procedure, protection area information provision procedure, and cell authenticity procedure. The generation, transmission, and use of key used to encrypt information are designed, and the key generation method used to verify the authenticity of the cell is also designed, realizing the authenticity verification of the broadcast or unicast message sent by the cell to achieve fake base station recognition.  
Keywords: fake base station; symmetric key algorithm; protection area; share root key group

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