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    Network authentication method, relay node, and related system
    1.
    发明授权
    Network authentication method, relay node, and related system 有权

    公开(公告)号：US10827351B2

    公开(公告)日：2020-11-03

    申请号：US16239409

    申请日：2019-01-03

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xin Kang ,  Haiguang Wang ,  Yanjiang Yang

    IPC: H04L9/32 ,  H04W12/06 ,  H04W8/04 ,  H04L29/06 ,  H04W12/04 ,  H04W12/00

    Abstract: Embodiments of the present disclosure disclose a network authentication method, a relay node, and a related system. The system includes user equipment, a relay node, and a cellular network authentication network element. The user equipment is configured to send a first authentication message to the relay node; the relay node is configured to receive first authentication messages, and generate first encrypted information by using an aggregation algorithm based on first encrypted identifiers in the first authentication; the cellular network authentication network element is configured to receive a first aggregation message, and when verifying, by using the first encrypted information, that information in the first aggregation message is correct, send a first response message to the relay node; and the user equipment is configured to generate a session key between the user equipment and the cellular network authentication network element when verifying that information in the first response message is correct.

    Network key processing method and system and related device
    3.
    发明授权
    Network key processing method and system and related device 有权

    公开(公告)号：US11431479B2

    公开(公告)日：2022-08-30

    申请号：US16517645

    申请日：2019-07-21

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhongding Lei ,  Lichun Li ,  Bo Zhang ,  Fei Liu ,  Haiguang Wang ,  Xin Kang

    IPC: H04L9/08 ,  H04L9/14 ,  H04L9/40

    Abstract: Embodiments of this application disclose a network key processing system, including user equipment, a security anchor network element, and an access and mobility management network element, where the security anchor network element is configured to: obtain a first key parameter from a slice selection network element, where the first key parameter includes identifier information of N network slices; generate N slice-dedicated keys based on the first key parameter; and send the N slice-dedicated keys to the corresponding N network slices respectively; the access and mobility management network element is configured to: obtain the first key parameter, and send the first key parameter to the user equipment; and the user equipment is configured to: generate the N slice-dedicated keys for the N network slices based on the first key parameter, and access the N network slices based on the generated N slice-dedicated keys.

    Network authentication method, and related device and system
    4.
    发明授权
    Network authentication method, and related device and system 有权

    公开(公告)号：US11272365B2

    公开(公告)日：2022-03-08

    申请号：US17090757

    申请日：2020-11-05

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhongding Lei ,  Haiguang Wang ,  Xin Kang

    IPC: H04W12/06 ,  H04W8/04 ,  H04W12/08 ,  H04W48/08 ,  H04W48/16 ,  H04W12/033

    Abstract: This application discloses a network authentication method, and a related device and system. The method includes: receiving, by a network authentication network element, an access request sent by user equipment, where the access request includes identification information of the user equipment; verifying, by the network authentication network element, whether the identification information is valid, and if the identification information is valid, determining, based on the identification information, a slice authentication network element corresponding to the user equipment; and sending, by the network authentication network element, the identification information to the slice authentication network element corresponding to the user equipment, where the identification information is used by the slice authentication network element corresponding to the user equipment to generate authentication data for the user equipment and initiate a user authentication request to the user equipment by using the authentication data.

    Key generation method, device, and system
    5.
    发明授权
    Key generation method, device, and system 有权

    公开(公告)号：US11863977B2

    公开(公告)日：2024-01-02

    申请号：US17243011

    申请日：2021-04-28

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhongding Lei ,  Haiguang Wang ,  Xin Kang

    IPC: H04W12/041 ,  H04W12/033

    CPC classification number: H04W12/041 ,  H04W12/033

    Abstract: A key generation method includes a user plane network function and a terminal device obtain key update information sent by each other. The user plane network function updates, by using the obtained key update information, a sub-key derived from a permanent key, to obtain a new protection key. The terminal device updates, by using the obtained key update information, a sub-key derived from the permanent key, to obtain a new protection key. The terminal device and the user plane network function perform, by using the new protection key, security protection on user plane data transmitted between the terminal device and the user plane network function.

    Private key generation method and system, and device
    6.
    发明授权
    Private key generation method and system, and device 有权

    公开(公告)号：US11212088B2

    公开(公告)日：2021-12-28

    申请号：US16564140

    申请日：2019-09-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xin Kang ,  Xuwu Zhang ,  Yanjiang Yang ,  Haiguang Wang ,  Zhongding Lei

    IPC: H04L9/08

    Abstract: Embodiments of this application provide a private key generation method and system, and a device. The method includes: receiving, by a terminal device, a first response message sent by a first network device, where the first response message includes at least a first sub-private key, and the first sub-private key is generated based on a first parameter set sent by a second network device; receiving, by the terminal device, a second response message sent by the second network device, where the second response message includes at least a second sub-private key, and the second sub-private key is generated based on a second parameter set sent by the first network device; and synthesizing, by the terminal device, a joint private key based on at least the first sub-private key and the second sub-private key.

    NETWORK AUTHENTICATION METHOD, AND RELATED DEVICE AND SYSTEM
    10.
    发明申请
    NETWORK AUTHENTICATION METHOD, AND RELATED DEVICE AND SYSTEM 有权

    公开(公告)号：US20210058783A1

    公开(公告)日：2021-02-25

    申请号：US17090757

    申请日：2020-11-05

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhongding Lei ,  Haiguang Wang ,  Xin Kang

    IPC: H04W12/06 ,  H04W12/00 ,  H04W8/04 ,  H04W12/08 ,  H04W48/08 ,  H04W48/16

    Abstract: This application discloses a network authentication method, and a related device and system. The method includes: receiving, by a network authentication network element, an access request sent by user equipment, where the access request includes identification information of the user equipment; verifying, by the network authentication network element, whether the identification information is valid, and if the identification information is valid, determining, based on the identification information, a slice authentication network element corresponding to the user equipment; and sending, by the network authentication network element, the identification information to the slice authentication network element corresponding to the user equipment, where the identification information is used by the slice authentication network element corresponding to the user equipment to generate authentication data for the user equipment and initiate a user authentication request to the user equipment by using the authentication data.

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