WCDMA完整性保护的研究
首发时间:2011-04-26
摘要:WCDMA作为3G三大标准之一,在通信传输的安全性方面必然要满足用户需求,完整性保护正是基于传输的安全性而设计的。信令消息的完整性保护的前提是完整性算法与密钥的协商,用户与服务网络之间的安全模式协商机制完成了完整性算法协商,完整性算法协商过程类似于加密算法协商过程。而且完整性保护算法和完整性密钥都是由核心网来指定的。目前WCDMA只做到了对非接入层中传递的信令消息进行完整性保护,对于传递的用户数据尚无此功能。本文对WCDMA系统接入安全机制中的完整性保护进行了研究,对其实现流程、算法及参数进行了详细的分析。
关键词: WCDMA 安全模式控制 完整性保护 KASUMI
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The Research of Integrity Protection in WCDMA
Abstract:As one of the three major 3G standards,WCDMA is bound to meet user demand respect in the communication transmission, integrity protection is based on transmission security. Integrity protection of signaling messages on the premise that the integrity algorithm and the key negotiation, security model negotiation mechanism between user and service network complete the integrity algorithm negotiation, integrity algorithm negotiation is similar to cipher algorithm negotiation. And integrity protection algorithms and integrity key are specified by the core network. Currently there is only integrity protection of message in WCDMA, for user data there is no integrity protection. This article studied integrity protection in the network access security of WCDMA. Analyse its implementation process, algorithms and parameters in detail.
Keywords: WCDMA security mode control integrity protection KASUMI
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No.4421840583843130****
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