METHOD AND APPARATUS FOR PROTECTING INFORMATION TRANSMITTED AND RECEIVED ON USER PLANE IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20250088846A1

    公开(公告)日:2025-03-13

    申请号:US18292457

    申请日:2022-08-11

    Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. The disclosure relates to a method and apparatus for enhancing security of a user plane in a communication system by improving security of a protection key to be used in the user plane. According to an embodiment of the disclosure, a method performed by a base station in a wireless network system includes generating, by a CU-CP or CU-UP included in the base station, a user plane protection key for integrity protection of at least one data or signaling transmitted and received in a user plane based on protection key generation information of the base station, transmitting, to a user equipment, protection key generation information of the user equipment for generating the user plane protection key, and applying the user plane protection key to the at least one data or signaling transmitted and received in the user equipment and the user plane.

    METHOD AND APPARATUS FOR SYNCHRONIZING KEYS IN SELECTIVE SCG

    公开(公告)号:US20250048092A1

    公开(公告)日:2025-02-06

    申请号:US18795001

    申请日:2024-08-05

    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and apparatus of a master node (MN) are provided. The method of MN comprises: transmitting, to at least one target secondary node (SN), an SN addition request message including at least one SN counter value and KSN key corresponding to each target SN, wherein each target SN includes a first target SN and a second target SN; transmitting, to a user equipment (UE), a first radio resource control (RRC) reconfiguration message including the at least one SN counter value and the KSN key corresponding to each target SN; and transmitting, to the first target SN, an SN reconfiguration complete message including an SN counter value received from the UE.

    METHOD BY WHICH DEVICE SHARES DIGITAL KEY

    公开(公告)号:US20240421984A1

    公开(公告)日:2024-12-19

    申请号:US18816682

    申请日:2024-08-27

    Abstract: Provided is a method of sharing a digital key between devices, and a method, performed by an owner device in a wireless communication system, including transmitting, to a friend device, key configuration data, receiving, from the friend device, certification information signed by a private key of the friend device, the certification information including a public key of the friend device, generating a key attestation based on the certification information and the key configuration data, and transmitting, to the friend device, information including the key attestation.

    METHOD AND DEVICE FOR REMOTE MANAGEMENT AND VERIFICATION OF REMOTE MANAGEMENT AUTHORITY

    公开(公告)号:US20240015508A1

    公开(公告)日:2024-01-11

    申请号:US18471952

    申请日:2023-09-21

    CPC classification number: H04W12/069 H04W12/76 H04W12/041 H04W12/068

    Abstract: A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for remote management and remote management authority verification by a terminal includes: receiving a remote management instruction package; obtaining certificate information configured for a security module, which may be used when remotely managing a security service module corresponding to at least one identifier among a plurality of identifiers; and verifying a remote security service module management certificate of a bundle management server and the remote management instruction package by using the obtained certificate information.

    METHOD AND APPARATUS FOR ESTABLISHING END-TO-END SECURITY IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230188360A1

    公开(公告)日:2023-06-15

    申请号:US18064522

    申请日:2022-12-12

    CPC classification number: H04L9/3247 H04W12/08 H04L9/3263

    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of a first terminal in a wireless communication system including transmitting a first request message for information required for establishing security between terminals to a first entity, receiving a first response message including the information required for establishing security between terminals from the first entity in response to the first request message, generating security information for the first terminal, based on the response message, transmitting a second request message including the security information for the first terminal to a relay terminal, establishing security with the relay terminal, receiving a second response message including security information for a second terminal from the relay terminal in response to the second request message, and generating an end-to-end session key between terminals, based on the received security information for the second terminal.

    METHOD AND DEVICE FOR APPLYING USER PLANE SECURITY POLICY FOR PDU SESSION IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230053937A1

    公开(公告)日:2023-02-23

    申请号:US17817630

    申请日:2022-08-04

    Abstract: A method and device for applying a different security policy, per service traffic, to a protocol data unit (PDU) session in a wireless communication system. The method comprises receiving, by a session management function (SMF) managing a session for a user equipment (UE), first configuration information about a first user plane security policy of the UE from a unified data management (UDM) managing subscription information about the UE, receiving, by the SMF, second configuration information about a second user plane security policy to be applied to a specific service data flow from a policy and control function (PCF) managing a policy and charging control (PCC) rule, and determining a user plane security policy to be applied to the UE based on one selected from the first user plane security policy and the second user plane security policy according to priority.

    METHOD AND APPARATUS FOR MOVING PROFILES WITH DIFFERENT VERSIONS DURING DEVICE CHANGE

    公开(公告)号:US20220095095A1

    公开(公告)日:2022-03-24

    申请号:US17448087

    申请日:2021-09-20

    Abstract: The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure provides a method and apparatus which enable a device change when two devices supporting device change methods having different versions attempt a device change.

    METHOD BY WHICH DEVICE SHARES DIGITAL KEY

    公开(公告)号:US20220014353A1

    公开(公告)日:2022-01-13

    申请号:US17295344

    申请日:2019-10-30

    Abstract: Provided is a method of sharing a digital key between devices, and a method, performed by an owner device, of transmitting a digital key to a target device, includes: transmitting digital key configuration data; receiving a digital key attestation including a public key of the target device, the digital key configuration data, and a signature of the target device; generating a digital key sharing attestation including the public key of the target device, the digital key configuration data, the signature of the target device, and a signature of the owner device; and transmitting the digital key sharing attestation.

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