公开(公告)号：US20230077391A1

公开(公告)日：2023-03-16

申请号：US17990963

申请日：2022-11-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Longhua GUO ,  He LI ,  Rong WU

IPC: H04L9/40

Abstract: Embodiments of this disclosure provide a communication protection method and apparatus, a device, and a computer-readable medium. The communication protection method includes: A terminal device sends an application session establishment request message to a first application function network element (AF), where the application session establishment request message includes an AKMA key identifier; and the terminal device receives an application session establishment response message from the first AF, where the application session establishment response message includes a security activation indication. The security activation indication indicates whether to activate security protection on communication between the terminal device and a second AF, the security protection includes confidentiality protection and/or integrity protection performed based on a security key, and the security key is generated based on an AKMA key corresponding to the AKMA key identifier.

公开(公告)号：US20220174497A1

公开(公告)日：2022-06-02

申请号：US17675784

申请日：2022-02-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Longhua GUO ,  He LI

IPC: H04W12/72 ,  H04W8/18

Abstract: Embodiments of this application provide a communication method and apparatus, and relate to the field of communications technologies, to lower a security risk posed by removal of a SIM card from a communications device, and improve security of a communications network. The communication method includes: determining, by the communications device, that the SIM card is removed; sending, by the communications device, alarm information to a network device, wherein the alarm information indicates that the SIM card in the communications device is removed, and security protection is performed on the alarm information based on security context stored in the communications device; and then deleting, by the communications device, the security context. This application is applicable to a procedure in which a communications device accesses a network.

公开(公告)号：US20210400490A1

公开(公告)日：2021-12-23

申请号：US17462260

申请日：2021-08-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rong WU ,  He LI

IPC: H04W12/106 ,  H04W12/033 ,  H04W28/06

Abstract: Embodiments of this application relate to a communication method and device. The communication method includes the following steps: receiving, by a terminal device, a first message from an access network device, where the first message includes first information indicating whether to activate a user plane data integrity protection function or whether the access network device supports a user plane data integrity protection function; and if the terminal device cannot identify the first information, discarding or storing the first information.

公开(公告)号：US20200344245A1

公开(公告)日：2020-10-29

申请号：US16928853

申请日：2020-07-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haoren ZHU ,  Hualin ZHU ,  He LI

IPC: H04L29/06

Abstract: Embodiments of this application provide a message sending method and apparatus. A security gateway sends a request message to a terminal device; and the terminal device obtains a security context between the terminal device and the security gateway based on a security parameter of the security gateway and a security parameter of the terminal device, and protects a message to be sent by using the security context, to improve security of the message to be sent.

公开(公告)号：US20200260283A1

公开(公告)日：2020-08-13

申请号：US16859699

申请日：2020-04-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Li HU ,  Bingzhao LI ,  Xiaoying XU ,  Jing CHEN ,  He LI

IPC: H04W12/10 ,  H04W12/00 ,  H04W12/04 ,  H04L9/14 ,  H04W36/08 ,  H04W76/27

Abstract: This application provides an RRC connection resume method and apparatus. In the method, when a terminal moves to a target base station, the target base station may reselect, based on a capability and a requirement of the target base station, a first encryption algorithm and a first integrity protection algorithm that are used when the target base station communicates with the terminal, and send the first encryption algorithm and the first integrity protection algorithm to the terminal. On one hand, a security algorithm used for communication between the terminal and the target base station is flexibly selected. On the other hand, because the base station connected to the terminal changes, communication security can be improved by using a new encryption algorithm and integrity protection algorithm.

公开(公告)号：US20190149326A1

公开(公告)日：2019-05-16

申请号：US16243349

申请日：2019-01-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： He LI ,  Jing CHEN ,  Jiangsheng WANG

IPC: H04L9/08 ,  H04L9/32 ,  H04L9/14

Abstract: Embodiments of the present disclosure provide example key obtaining methods and apparatus. One example method includes receiving, by a terminal, a selected key generation capability from a network element, where the selected key generation capability is used to indicate a key generation capability that is determined by the network element based on a first key generation capability combination, and where the first key generation capability combination includes at least one key generation capability of the terminal. The terminal can then generate a first key parameter and a first base key based on the selected key generation capability.

公开(公告)号：US20190098490A1

公开(公告)日：2019-03-28

申请号：US16204316

申请日：2018-11-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Heng JIN ,  Wei LU ,  He LI

IPC: H04W8/24 ,  H04W8/08 ,  H04W8/26 ,  H04L29/06

Abstract: This application provides a user information obtaining method and apparatus, an identifier correspondence storage method and apparatus, and a device. According to the user information obtaining method and apparatus, the identifier correspondence storage method and apparatus, and the device that are provided in this application, a problem that MEC cannot obtain user information from an eNodeB based on a request of an APP can be alleviate

公开(公告)号：US20180091562A1

公开(公告)日：2018-03-29

申请号：US15827959

申请日：2017-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： He LI ,  Jinzhou YE ,  Ridong XU ,  Biao ZHANG ,  Shufeng SHI ,  Boqiang LUO

IPC: H04L29/06 ,  H04L29/14 ,  H04L12/24 ,  H04L12/14 ,  H04L12/26

CPC classification number: H04L65/1069 ,  H04L12/1407 ,  H04L41/0668 ,  H04L41/0893 ,  H04L43/10 ,  H04L65/00 ,  H04L65/1016 ,  H04L65/1046 ,  H04L65/1073 ,  H04L69/40

Abstract: Embodiments of the present invention disclose a method, a related apparatus, and a system for recovering a called service of a terminal. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.