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    • 9. 发明授权
    • System and method for authenticating a context transfer
    • 用于认证上下文传送的系统和方法
    • US09204295B2
    • 2015-12-01
    • US12259479
    • 2008-10-28
    • Marc BlommaertDan ForsbergFrank MademannValtteri Niemi
    • Marc BlommaertDan ForsbergFrank MademannValtteri Niemi
    • H04W4/00H04W12/04H04W8/12H04W8/06H04W12/06
    • H04W12/04H04W8/06H04W8/12H04W12/06
    • The user equipment (UE) and the Mobility Management Entity (MME) in an evolved 3GPP system generate authentication material that can be carried inside a packet switched network temporary mobile station identifier (P-TMSI) signature field of a Universal Mobile Telecommunications System (UMTS) signaling message from the UE to a UMTS/GPRS serving GPRS support node (SGSN) in a UMTS or GPRS Terrestrial Radio Access Network (UTRAN) or in a GSM/Edge Radio Access Network (GERAN), as well as from the SGSN to the MME of the evolved 3GPP system. The MME authenticates a context transfer request from the UTRAN/GERAN system based on the transferred authentication material and knowledge of how to create or to verify the authentication material. Additionally, the MME and the UE derive or verify authentication material, based on at least one user-specific key, for embedding in the P-TMSI signature field in legacy 3GPP signalling.
    • 演进的3GPP系统中的用户设备(UE)和移动性管理实体(MME)生成可以在通用移动电信系统(UMTS)的分组交换网络临时移动站标识符(P-TMSI)签名字段内携带的认证资料 )信令消息到UMTS或GPRS陆地无线电接入网络(UTRAN)或GSM /边缘无线电接入网络(GERAN)中的UMTS / GPRS服务GPRS支持节点(SGSN),以及从SGSN到 演进的3GPP系统的MME。 MME基于所传送的认证资料以及如何创建或验证认证资料的知识来认证来自UTRAN / GERAN系统的上下文传送请求。 另外,MME和UE基于至少一个用户专用密钥来导出或验证认证资料,以嵌入在传统3GPP信令中的P-TMSI签名字段中。