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    • 15. 发明申请
    • Method for Updating Air Interface Key, Core Network Node and User Equipment
    • 更新空中接口密钥,核心网络节点和用户设备的方法
    • US20130137403A1
    • 2013-05-30
    • US13817348
    • 2011-06-08
    • Chengyan FengLu Gan
    • Chengyan FengLu Gan
    • H04W12/04
    • H04W12/04H04W36/0038H04W36/10
    • The disclosure provides a method for updating an air interface key, a core network node and user equipment. The update method comprises: a core network node receives a relocation indication message, wherein the relocation indication message is configured to indicate that the User Equipment (UE) is about to relocate to a target Radio Network Controller (RNC) from a source RNC (Step S602); the core network node uses the key parameter to calculate a next hop enhanced key (Step S604); and then the core network node sends the next hop enhanced key to the target RNC (Step S606). Through the disclosure, the forward security of the user is guaranteed, and thus the communication security of the radio access system is improved.
    • 本公开提供了一种用于更新空中接口密钥,核心网络节点和用户设备的方法。 所述更新方法包括:核心网络节点接收重定位指示消息,其中所述重定位指示消息被配置为指示所述用户设备(UE)将要从源RNC重新定位到目标无线电网络控制器(RNC)(步骤 S602); 核心网络节点使用密钥参数来计算下一跳增强密钥(步骤S604); 然后核心网络节点向目标RNC发送下一跳增强密钥(步骤S606)。 通过该公开,保证用户的前向安全性,从而提高无线接入系统的通信安全性。
    • 16. 发明申请
    • Method and system for establishing enhanced air interface key
    • 建立增强型空中接口密钥的方法和系统
    • US20120294444A1
    • 2012-11-22
    • US13521977
    • 2011-03-10
    • Chengyan FengLu Gan
    • Chengyan FengLu Gan
    • H04W12/04
    • H04W12/04H04L63/06H04L63/205H04L2463/061H04W36/0038
    • The disclosure provides a method and a system for establishing an enhanced air interface key. During a serving Radio Network Controller (RNC) relocation process, a target RNC with an enhanced security capability enables a received legacy key to perform security protection on communication in the serving RNC relocation process when the target RNC cannot learn from a relocation request sent by a source RNC whether or not a user equipment supports the enhanced security capability (500); and when the target RNC receives a message from the user equipment and learns that the user equipment supports the enhanced security capability, the target RNC notifies a core network to establish and enable the enhanced air interface keys on the network side and in the user equipment respectively (501). With the method of the disclosure, during the Serving Radio Network Controller (SRNC) relocation of the user equipment in a wireless communication system, when the air interface keys are enabled and the legacy or enhanced user equipment moves between a legacy network and an enhanced network, timely enabling of security keys is achieved with respect to different security capabilities, ensuring normal accomplishment of the relocation process, and therefore ensuring normal proceeding of subsequent communication.
    • 本公开提供了一种用于建立增强的空中接口密钥的方法和系统。 在服务无线网络控制器(RNC)重定位过程中,具有增强的安全能力的目标RNC使得接收到的传统密钥能够在服务RNC重定位过程中对通信进行安全保护,当目标RNC不能从由 源RNC是否支持增强的安全能力(500); 并且当目标RNC从用户设备接收到消息并获知用户设备支持增强的安全能力时,目标RNC通知核心网络分别在网络侧和用户设备中建立和启用增强的空中接口密钥 (501)。 利用本公开的方法,在无线通信系统中的用户设备的服务无线电网络控制器(SRNC)重定位期间,当启用空中接口密钥并且传统或增强的用户设备在传统网络和增强网络之间移动时 在不同的安全能力方面实现安全密钥的及时启用,确保迁移过程正常完成,从而确保后续通信的正常进行。
    • 17. 发明申请
    • Emergency call-based security algorithm negotiation method and apparatus
    • 基于紧急呼叫的安全算法协商方法和装置
    • US20120039464A1
    • 2012-02-16
    • US13258300
    • 2010-04-22
    • Jianhua XuLu GanXuwu Zhang
    • Jianhua XuLu GanXuwu Zhang
    • H04L9/28
    • H04W36/0038H04L63/205H04W4/90H04W12/04H04W76/50H04W92/14
    • An emergency call-based security algorithm negotiation method and apparatus are disclosed. The method comprises the following steps: after receiving an attachment request from a User Equipment (UE) and determining that the attachment request is an emergency attachment request, a network side sets UE security capabilities to support a null algorithm only; or, the network side determines that the UE security capabilities included in the attachment request support the null algorithm only; performing Non-Access Stratum (NAS) and Access Stratum (AS) selection processing taking the null algorithm as a security algorithm for the user equipment. A mobility management entity (MME) and an evolved Node-B (eNB) can perform security negotiation directly on the basis that the user equipment only supports the null algorithm when the NAS and NA security negotiation is performed, so that the access efficiency and the call completing rate of emergency calls are improved.
    • 公开了一种基于紧急呼叫的安全算法协商方法和装置。 该方法包括以下步骤:在从用户设备(UE)接收到附件请求并确定附件请求是紧急连接请求之后,网络侧设置UE安全能力以仅支持空算法; 或者,网络侧确定包括在附件请求中的UE安全能力仅支持空算法; 执行非接入层(NAS)和接入层(AS)选择处理,采用空算法作为用户设备的安全算法。 移动性管理实体(MME)和演进型节点B(eNB)可以在执行NAS和NA安全协商时基于用户设备仅支持空算法来直接执行安全协商,从而使得接入效率和 呼叫呼叫完成率得到改善。
    • 18. 发明申请
    • Method and system for deriving keys
    • 用于导出密钥的方法和系统
    • US20110222690A1
    • 2011-09-15
    • US13000363
    • 2008-12-31
    • Lu Gan
    • Lu Gan
    • H04W12/04H04W36/00
    • H04W12/04H04L2463/061H04W88/14
    • A method for deriving keys is disclosed. When Handover or Routing Area Update of User Equipment (UE) from an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) to a Universal Terrestrial Radio Access Network (UTRAN) or Global System for Mobile Communication/Enhanced Data Rate for GSM Evolution Radio Access Network (GERAN) occurs, the keys for the UTRAN or the GERAN are derived by a Mobility Management Entity (MME) and/or the UE by using predefined parameters. The predefined parameters include a root key of the E-UTEAN and a value of a Non Access Stratum (NAS) Count. A keys derivation system for deriving the keys is also disclosed.
    • 公开了一种用于导出密钥的方法。 当从演进的通用陆地无线电接入网络(E-UTRAN)到通用陆地无线接入网络(UTRAN)或用于GSM进化无线接入的移动通信/全球增强数据速率的用户设备(UE)的切换或路由区域更新 网络(GERAN)发生,UTRAN或GERAN的密钥由移动性管理实体(MME)和/或UE通过使用预定义的参数导出。 预定义的参数包括E-UTEAN的根密钥和非接入层(NAS)计数的值。 还公开了用于导出密钥的密钥导出系统。
    • 19. 发明申请
    • SECURITY KEY GENERATING METHOD, DEVICE AND SYSTEM
    • 安全密钥生成方法,设备和系统
    • US20110033053A1
    • 2011-02-10
    • US12988051
    • 2008-12-30
    • Lu GanZhongda DuXiang ChengYazhu Ke
    • Lu GanZhongda DuXiang ChengYazhu Ke
    • H04W12/04
    • H04L63/06H04L9/0838H04L2209/80H04W12/04H04W36/0038
    • A security key generating method, device and system are provided, wherein, the method is used for generating a security key in the process of the handover to an EUTRAN network from other network, the method includes: an MME generates a security key based on a root key KASME of the EUTRAN network, a specific value and/or other parameters and transmits a handover request message carrying the security key to a target evolved Node B, i.e. eNB; a UE generates the security key which used by the target eNB based on the root key KASME of the EUTRAN network, the specific value and/or other parameters. The application of the present invention adopts a specific value, KASME and/or other parameters to output a security key, which can solve the problem existed in the related technology, the problem is that the middle security key used by access layer while handover between different access system can not be generated, and then it can not realize the security protection of the access layer. So the application of the present invention makes the signaling and/or data of the access layer be efficiently protected, thereby improving the security of the access layer.
    • 提供了一种安全密钥生成方法,设备和系统,其中,该方法用于在从其他网络切换到EUTRAN网络的过程中生成安全密钥,该方法包括:MME生成基于 EUTRAN网络的根密钥KASME,特定值和/或其他参数,并将携带安全密钥的切换请求消息发送到目标演进节点B,即eNB; UE根据EUTRAN网络的根密钥KASME,特定值和/或其它参数生成目标eNB使用的安全密钥。 本发明的应用采用具体的值,KASME和/或其他参数来输出安全密钥,这可以解决相关技术中存在的问题,问题是接入层使用的中间安全密钥在不同的切换之间 无法生成接入系统,无法实现接入层的安全保护。 因此,本发明的应用使得接入层的信令和/或数据被有效地保护,从而提高接入​​层的安全性。
    • 20. 发明授权
    • Method for updating air interface key, core network node and user equipment
    • 更新空中接口密钥,核心网节点和用户设备的方法
    • US09386448B2
    • 2016-07-05
    • US13817348
    • 2011-06-08
    • Chengyan FengLu Gan
    • Chengyan FengLu Gan
    • H04M1/66H04W12/04H04W36/00H04W36/10
    • H04W12/04H04W36/0038H04W36/10
    • The disclosure provides a method for updating an air interface key, a core network node and user equipment. The update method comprises: a core network node receives a relocation indication message, wherein the relocation indication message is configured to indicate that the User Equipment (UE) is about to relocate to a target Radio Network Controller (RNC) from a source RNC (Step S602); the core network node uses the key parameter to calculate a next hop enhanced key (Step S604); and then the core network node sends the next hop enhanced key to the target RNC (Step S606). Through the disclosure, the forward security of the user is guaranteed, and thus the communication security of the radio access system is improved.
    • 本公开提供了一种用于更新空中接口密钥,核心网络节点和用户设备的方法。 所述更新方法包括:核心网络节点接收重定位指示消息,其中所述重定位指示消息被配置为指示所述用户设备(UE)将要从源RNC重新定位到目标无线电网络控制器(RNC)(步骤 S602); 核心网络节点使用密钥参数来计算下一跳增强密钥(步骤S604); 然后核心网络节点向目标RNC发送下一跳增强密钥(步骤S606)。 通过该公开,保证用户的前向安全性,从而提高无线接入系统的通信安全性。