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    • 10. 发明授权
    • Secure authentication-key management system and method for mobile
communications
    • 安全的认证密钥管理系统和移动通信方法
    • US5970144A
    • 1999-10-19
    • US791992
    • 1997-01-31
    • Yick Man ChanMichael D. GallagherVilnis G. GrencionsRandall A. SnyderMing J. Lee
    • Yick Man ChanMichael D. GallagherVilnis G. GrencionsRandall A. SnyderMing J. Lee
    • H04W12/06H04L9/00
    • H04W12/06H04W12/04
    • A system and method for enabling sensitive authentication information to be under the control of the service provider and transmitting only non-sensitive authentication information to the AC, for providing a secure technique for generating sensitive authentication information and for securely transmitting to and storing the information in the mobile system (MS) and a storage device controlled by the service provider, and for enabling a mobile station to utilize features supported by the visited system even if the MS home system does not support the feature. The present invention utilizes a secure authentication center (SAC) and a secure A-key management system (SAMS) to perform authentication. The SAC can be positioned locally in a home system, or it can be centrally located, for example, between systems. The SAC can be connected to many SAMS. Each SAMS stores sensitive authentication information for a group of MS's. During authentication, the SAC generates a request signal to the appropriate SAMS which generates a unique signal based upon the secret authentication data and other data stored therein. However, the sensitive authentication data is not sent to the SAC. The SAC performs authentication using the unique signal transmitted by the SAMS.
    • 一种用于使敏感认证信息处于服务提供商的控制下并且仅将非敏感认证信息发送到AC的系统和方法,用于提供用于产生敏感认证信息的安全技术,并且用于安全地传送和存储信息 移动系统(MS)和由服务提供商控制的存储设备,并且即使MS家庭系统不支持该特征,也能够使移动站利用所访问系统支持的特征。 本发明利用安全认证中心(SAC)和安全A密钥管理系统(SAMS)进行认证。 SAC可以位于本地系统的本地,也可以位于中央位置,例如系统之间。 SAC可以连接到许多SAMS。 每个SAMS存储一组MS的敏感认证信息。 在认证期间,SAC根据秘密认证数据和存储在其中的其他数据,向适当的SAMS生成请求信号,该SAMS生成唯一信号。 但是,敏感认证数据不会发送到SAC。 SAC使用SAMS发送的唯一信号来执行认证。