【摘要】 详细分析了3G认证和密钥分配协议过程及其安全性,针对该协议中可能被攻击的弱点,提出密钥更新的协议改进方法。经过分析,这一改进协议不但满足3G的安全需求,而且通过密钥更新,明显增强了认证的安全性。更多还原

【Abstract】 First, this paper introduces the global development situation of 3G. Second, it illustrates the standard development of 3G and enhanced 3G technologies. Third it discusses network construction and planning in detail. The construction and planning of 3G network need to follow the technical trend correctly and to adjust to the status quo of network and the development of service market.更多还原