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公开(公告)号：US08934914B2
公开(公告)日：2015-01-13
申请号：US13757258
申请日：2013-02-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaohan Liu
CPC classification number: H04W12/04 , H04W12/06 , H04W36/04 , H04W84/045
Abstract: A key separation method and device are provided in the embodiments of the present invention. The key separation method includes: when a User Equipment hands over from a source node to a target node, or when the User Equipment moves from the source node to the target node in idle state, determining whether or not the source node is a Home NodeB; and if the source node is a Home NodeB, triggering an Authentication and Key Agreement procedure according to the operator's policy, to update Ciphering Key and Integrity Key. By performing Authentication and Key Agreement procedure, the method and device of the embodiments separate key of the source node from the key of the target node.
Abstract translation: 在本发明的实施例中提供了一种键分离方法和装置。 密钥分离方法包括：当用户设备从源节点切换到目标节点时，或者当用户设备从空闲状态从源节点移动到目标节点时，确定源节点是否为家庭节点 ; 并且如果源节点是家庭节点B，则根据运营商的策略触发认证和密钥协商过程，以更新加密密钥和完整性密钥。 通过执行认证和密钥协商过程，实施例的方法和设备将源节点的密钥与目标节点的密钥分开。
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公开(公告)号：US20130035067A1
公开(公告)日：2013-02-07
申请号：US13649540
申请日：2012-10-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lijia ZHANG , Yixian Xu , Yingxin Huang , Xiaohan Liu , Meriau Laurence
IPC: H04W12/06
CPC classification number: H04L63/08 , H04L63/0884 , H04L2463/061 , H04W4/08 , H04W4/70 , H04W8/186 , H04W12/04 , H04W12/06
Abstract: Embodiments of the present invention disclose a method and an apparatus for authenticating a communication device, where the method includes: receiving an attach request including a group identifier and sent by an MTC device to be authenticated, where the group identifier is a group identifier of an MTC group where the MTC device to be authenticated is located; determining whether a first group authentication vector bound to the group identifier exists locally, where the first group authentication vector is an authentication vector used for authenticating MTC devices in the MTC group; and if existing, according to the first group authentication vector, authenticating the MTC device to be authenticated, and generating a system key of the MTC device to be authenticated. The technical solutions provided in the present invention can be applied to the technical field of authenticating the MTC device.
Abstract translation: 本发明的实施例公开了一种用于认证通信设备的方法和装置，其中，所述方法包括：接收包括组标识符的附加请求，并由要被认证的MTC设备发送，其中所述组标识符是组识别符 要认证的MTC设备所在的MTC组; 确定是否本地存在绑定到组标识符的第一组认证向量，其中第一组认证向量是用于认证MTC组中的MTC设备的认证向量; 如果存在，根据第一组认证向量，认证要认证的MTC设备，并生成待认证的MTC设备的系统密钥。 本发明提供的技术方案可以应用于认证MTC设备的技术领域。
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公开(公告)号：US09125116B2
公开(公告)日：2015-09-01
申请号：US13667944
申请日：2012-11-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Min Huang , Jing Chen , Aiqin Zhang , Xiaohan Liu
CPC classification number: H04W36/08 , H04W12/04 , H04W36/0038 , H04W36/0088 , H04W76/27
Abstract: A method, an apparatus and a system for key derivation are disclosed. The method includes the following steps: a target base station) receives multiple keys derived by a source base station, where the keys correspond to cells under control of the target base station; the target base station selects a key corresponding to the target cell after knowing a target cell that a user equipment (UE) wants to access. An apparatus for key derivation and a communications system are also provided.
Abstract translation: 公开了一种用于密钥推导的方法，装置和系统。 该方法包括以下步骤：目标基站）接收由源基站导出的多个密钥，其中密钥对应于目标基站的控制下的小区; 目标基站在知道用户设备（UE）想要访问的目标小区之后，选择与目标小区相对应的密钥。 还提供了用于密钥推导的装置和通信系统。
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公开(公告)号：US09049594B2
公开(公告)日：2015-06-02
申请号：US13952985
申请日：2013-07-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xinyi Chen , Dongmei Zhang , Lijia Zhang , Xiaohan Liu
CPC classification number: H04W12/04 , H04L63/061 , H04L2463/061 , H04W88/12
Abstract: A method and a device for key generation are disclosed in embodiments of the present invention. The method for key generation is applied to a UMTS-LTE resource convergence scenario that has a base station as an anchor point, and includes: deriving, according to a root key and a count value of an LTE system, or according to a random number and an LTE system root key, a UMTS integrity key and cipher key, and sending the UMTS integrity key and cipher key to a UMTS control node. The embodiments of the present invention enable the derivation of the UMTS integrity key and cipher key in a UMTS-LTE resource convergence scenario that has a base station as an anchor point, enable a user equipment to communicate securely through a UMTS, and further improve security of data transmitted in the UMTS.
Abstract translation: 在本发明的实施例中公开了用于密钥生成的方法和装置。 用于密钥生成的方法应用于以基站为锚点的UMTS-LTE资源汇聚场景，包括：根据根密钥和LTE系统的计数值，根据随机数 以及LTE系统根密钥，UMTS完整性密钥和密码密钥，并将UMTS完整性密钥和加密密钥发送到UMTS控制节点。 本发明的实施例能够在具有基站作为锚点的UMTS-LTE资源汇聚场景中导出UMTS完整性密钥和加密密钥，使得用户设备能够通过UMTS安全地通信，并进一步提高安全性 的在UMTS中发送的数据。
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公开(公告)号：US08706085B2
公开(公告)日：2014-04-22
申请号：US13649540
申请日：2012-10-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lijia Zhang , Yixian Xu , Yingxin Huang , Xiaohan Liu , Meriau Laurence
IPC: H04M1/66
CPC classification number: H04L63/08 , H04L63/0884 , H04L2463/061 , H04W4/08 , H04W4/70 , H04W8/186 , H04W12/04 , H04W12/06
Abstract: Embodiments of the present invention disclose a method and an apparatus for authenticating a communication device, where the method includes: receiving an attach request including a group identifier and sent by an MTC device to be authenticated, where the group identifier is a group identifier of an MTC group where the MTC device to be authenticated is located; determining whether a first group authentication vector bound to the group identifier exists locally, where the first group authentication vector is an authentication vector used for authenticating MTC devices in the MTC group; and if existing, according to the first group authentication vector, authenticating the MTC device to be authenticated, and generating a system key of the MTC device to be authenticated. The technical solutions provided in the present invention can be applied to the technical field of authenticating the MTC device.
Abstract translation: 本发明的实施例公开了一种用于认证通信设备的方法和装置，其中，所述方法包括：接收包括组标识符的附加请求，并由要被认证的MTC设备发送，其中所述组标识符是组识别符 要认证的MTC设备所在的MTC组; 确定绑定到组标识符的第一组认证向量是否本地存在，其中第一组认证向量是用于认证MTC组中的MTC设备的认证向量; 如果存在，根据第一组认证向量，认证要认证的MTC设备，并生成待认证的MTC设备的系统密钥。 本发明提供的技术方案可以应用于认证MTC设备的技术领域。
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Patent Agency Ranking
公开(公告)号：US09661539B2
公开(公告)日：2017-05-23
申请号：US14824342
申请日：2015-08-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Min Huang , Jing Chen , Aiqin Zhang , Xiaohan Liu
CPC classification number: H04W36/08 , H04W12/04 , H04W36/0038 , H04W36/0088 , H04W76/27
Abstract: A method, an apparatus and a system for key derivation are disclosed. The method includes the following steps: a target base station) receives multiple keys derived by a source base station, where the keys correspond to cells of the target base station; the target base station selects a key corresponding to the target cell after knowing a target cell that a user equipment (UE) wants to access. An apparatus for key derivation and a communications system are also provided.
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公开(公告)号：US20130310006A1
公开(公告)日：2013-11-21
申请号：US13952985
申请日：2013-07-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xinyi CHEN , Dongmei Zhang , Lijia Zhang , Xiaohan Liu
IPC: H04W12/04
CPC classification number: H04W12/04 , H04L63/061 , H04L2463/061 , H04W88/12
Abstract: A method and a device for key generation are disclosed in embodiments of the present invention. The method for key generation is applied to a UMTS-LTE resource convergence scenario that has a base station as an anchor point, and includes: deriving, according to a root key and a count value of an LTE system, or according to a random number and an LTE system root key, a UMTS integrity key and cipher key, and sending the UMTS integrity key and cipher key to a UMTS control node. The embodiments of the present invention enable the derivation of the UMTS integrity key and cipher key in a UMTS-LTE resource convergence scenario that has a base station as an anchor point, enable a user equipment to communicate securely through a UMTS, and further improve security of data transmitted in the UMTS.
Abstract translation: 在本发明的实施例中公开了用于密钥生成的方法和装置。 用于密钥生成的方法应用于以基站为锚点的UMTS-LTE资源汇聚场景，包括：根据根密钥和LTE系统的计数值，根据随机数 以及LTE系统根密钥，UMTS完整性密钥和密码密钥，并将UMTS完整性密钥和加密密钥发送到UMTS控制节点。 本发明的实施例能够在具有基站作为锚点的UMTS-LTE资源汇聚场景中导出UMTS完整性密钥和加密密钥，使得用户设备能够通过UMTS安全地通信，并进一步提高安全性 的在UMTS中发送的数据。
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公开(公告)号：US20130079014A1
公开(公告)日：2013-03-28
申请号：US13667944
申请日：2012-11-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Min Huang , Jing Chen , Aiqin Zhang , Xiaohan Liu
IPC: H04W36/08
CPC classification number: H04W36/08 , H04W12/04 , H04W36/0038 , H04W36/0088 , H04W76/27
Abstract: A method, an apparatus and a system for key derivation are disclosed. The method includes the following steps: a target base station) receives multiple keys derived by a source base station, where the keys correspond to cells under control of the target base station; the target base station selects a key corresponding to the target cell after knowing a target cell that a user equipment (UE) wants to access. An apparatus for key derivation and a communications system are also provided.
Abstract translation: 公开了一种用于密钥推导的方法，装置和系统。 该方法包括以下步骤：目标基站）接收由源基站导出的多个密钥，其中密钥对应于目标基站的控制下的小区; 目标基站在知道用户设备（UE）想要访问的目标小区之后，选择与目标小区相对应的密钥。 还提供了用于密钥推导的装置和通信系统。
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公开(公告)号：US20240061317A1
公开(公告)日：2024-02-22
申请号：US18270608
申请日：2021-12-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhongcheng You , Dengfeng Li , Haibo Wan , Gang Wang , Shixin Qin , Xiaohan Liu
CPC classification number: G03B5/00 , G03B13/36 , G02B27/646 , G03B2205/0076
Abstract: This application provides a camera module and an electronic device, and relates to the field of electronic device technologies. The camera module includes an optical camera lens, a variable aperture, and an SMA motor. The variable aperture has an aperture hole whose size is adjustable. The SMA motor includes a first carrier, a base, and an SMA drive assembly. The optical camera lens is fastened to the first carrier. The SMA drive assembly is connected between the first carrier and the base. The SMA drive assembly is configured to drive the first carrier, the optical camera lens, and the variable aperture to move together relative to the base, so as to implement automatic focusing and/or optical image stabilization.
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公开(公告)号：US10334492B2
公开(公告)日：2019-06-25
申请号：US15601398
申请日：2017-05-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Min Huang , Jing Chen , Aiqin Zhang , Xiaohan Liu
Abstract: Method, apparatus and systems are provided for key derivation. A target base station receives multiple keys derived by a source base station, where the keys correspond to cells of the target base station. The target base station selects a key corresponding to the target cell after obtaining information regarding a target cell that a user equipment (UE) is to access. An apparatus for key derivation and a communications system are also provided.
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