【摘要】 GSM和IS-41是第二代移动通信标准的两类典型系统,这两类系统的安全都基于私钥密码体制,安全协议基于共享秘密,提供匿名服务、认证和保密的安全服务,但实现机制有许多不同,分析了两类系统的安全特征和安全机制,并进行了较全面的比较,为第三代移动通信奠定了良好的基础。更多还原

【Abstract】 The second Generation mobile systems fall into two groups: GSM and IS-41. The security of the two systems are based on the eucryption mechanism,and the security protocol are based on the safe services of secrecy sharing,privacy service,authentication and secrecy keeping.In this paper,the authors analysed and compared the security features and mechanisms of the two groups.and came to a conclusion that the work done laid a good foundation for the third generation mobile Telecommunications.更多还原