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    • 5. 发明授权
    • Method for updating air interface key, core network node and radio access system
    • 更新空中接口密钥,核心网节点和无线接入系统的方法
    • US08938071B2
    • 2015-01-20
    • US13702842
    • 2011-03-09
    • Chengyan FengLu Gan
    • Chengyan FengLu Gan
    • H04L29/06H04L9/08H04W12/04H04W36/00H04W12/08
    • H04L9/0816H04W12/04H04W12/08H04W36/0038
    • The disclosure discloses a method for updating an air interface key, a core network node and a radio access system, wherein the method for updating an air interface key comprises: a core network node receives a relocation complete indication message from a target RNC (S502), the relocation complete indication message is configured to indicate the successful relocation of User Equipment (UE) from a source RNC to the target RNC; the core network node uses the saved traditional key and the current enhanced key to calculate a next hop enhanced key (S504); the core network node sends the next hop enhanced key to the target RNC (S506). Through the disclosure, the forward security of users is guaranteed effectively, thus the communication security of the radio access system is improved overall.
    • 本发明公开了一种用于更新空中接口密钥,核心网络节点和无线电接入系统的方法,其中用于更新空中接口密钥的方法包括:核心网络节点从目标RNC接收重定位完成指示消息(S502) 重定位完成指示消息被配置为指示用户设备(UE)从源RNC到目标RNC的成功重定位; 核心网节点使用保存的传统密钥和当前增强密钥来计算下一跳增强密钥(S504); 核心网络节点向目标RNC发送下一跳增强密钥(S506)。 通过披露,有效保证了用户的前向安全,从而提高了无线接入系统的通信安全性。
    • 7. 发明授权
    • Security key generating method, device and system
    • 安全密钥生成方法,设备和系统
    • US08452007B2
    • 2013-05-28
    • US12988051
    • 2008-12-30
    • Lu GanZhongda DuXiang ChengYazhu Ke
    • Lu GanZhongda DuXiang ChengYazhu Ke
    • H04L29/06H04L29/00H04L9/32
    • 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。
    • 9. 发明申请
    • METHOD AND SYSTEM FOR SECURITY PROCESSING DURING RRC CONNECTION RE-ESTABLISHMENT
    • 在RRC连接重建过程中的安全处理方法与系统
    • US20120308007A1
    • 2012-12-06
    • US13574772
    • 2010-08-18
    • Jinglan LiXintai WangLu Gan
    • Jinglan LiXintai WangLu Gan
    • H04W12/08
    • H04L63/205H04W12/02H04W12/10H04W36/08H04W76/19H04W92/10
    • This disclosure claims a method for security processing during RRC connection re-establishment, comprising: a UE sends an RRC connection re-establishment request message to the eNB; after receiving the request message, the eNB determines whether an original access layer security algorithm used by the UE is supported by the eNB itself according to the current status and configuration; if supported, the communication protection with UE is implemented via the original access layer security algorithm; if not supported, according to the security capability of UE, the access layer security algorithm which has the highest priority and is supported by the UE is selected from the access layer security algorithms configured by the eNB itself to be the new access layer security algorithm, and the communication protection between the eNB and the UE is implemented by the new access layer security algorithm. This disclosure also claims a system for security processing during the RRC connection re-establishment.
    • 本公开要求一种在RRC连接重建期间进行安全处理的方法,包括:UE向eNB发送RRC连接重建请求消息; eNB接收到请求消息后,根据当前的状态和配置,确定eNB本身是否支持UE使用的原始接入层安全算法; 如果支持,则通过原始接入层安全算法实现与UE的通信保护; 如果不支持,根据UE的安全能力,从eNB本身配置的接入层安全算法中选择具有最高优先级并由UE支持的接入层安全算法,作为新的接入层安全算法, 并且通过新的接入层安全算法来实现eNB与UE之间的通信保护。 本公开还要求在RRC连接重建期间进行安全处理的系统。
    • 10. 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。