公开(公告)号：US20240373219A1

公开(公告)日：2024-11-07

申请号：US18636812

申请日：2024-04-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongjin CHOI ,  Taehyung LIM ,  Junhyun PARK

IPC: H04W12/06 ,  H04W12/041 ,  H04W12/72 ,  H04W36/00 ,  H04W60/04

Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) for performing network authentication is provided. The method includes determining, by the UE, a K-bit identification indicator indicating whether a length of an authentication key (K) stored in a subscriber identification module (SIM) is identified, selecting, by the UE, at least one security algorithm based on the K-bit identification indicator, and transmitting, by the UE to a network device, a registration request message including the K-bit identification indicator and information about the at least one security algorithm.

公开(公告)号：US20240224032A1

公开(公告)日：2024-07-04

申请号：US18404792

申请日：2024-01-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjin CHOI ,  Duckey LEE

IPC: H04W12/069 ,  H04W12/0431 ,  H04W12/082

CPC classification number: H04W12/069 ,  H04W12/0431 ,  H04W12/082

Abstract: The disclosure relates to 5G or 6G communication systems to support higher data rates and provide a method and apparatus for an authorization operation. The method comprises: receiving an authentication key and indicator; receiving the authentication key indicator, a first random value, or an indicator; generating a first authentication material based on the first random value and the authentication key; transmitting the generated first authentication material and a second random value; receiving a second authentication material, the second authentication material being generated by the authentication key based on the authentication key indicator and the second authentication material after verifying the first authentication material using the first random value and the authentication key; verifying the second authentication material using the authentication key; authenticating a user after verifying the second authentication material; and transmitting an authorization code, the UE redirected to the authorization function being authenticated by the API invoker.

公开(公告)号：US20240340751A1

公开(公告)日：2024-10-10

申请号：US18616705

申请日：2024-03-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungri JIN ,  June HWANG ,  Hongjin CHOI

IPC: H04W36/36 ,  H04W12/041

CPC classification number: H04W36/362 ,  H04W12/041

Abstract: The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a master node (MN), configuration information associated with subsequent conditional primary secondary cell group cell (PSCell) addition or change (SCPAC), the configuration information includes sk-counter list including a plurality of sk-counters, and executing the SCPAC for a first PSCell associated with a secondary node based on the configuration information, wherein a first security key for the secondary node is generated based on a first sk-counter among the plurality of sk-counters.

公开(公告)号：US20240040379A1

公开(公告)日：2024-02-01

申请号：US18227852

申请日：2023-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjin CHOI ,  Duckey LEE

IPC: H04W12/06 ,  H04W60/00

CPC classification number: H04W12/06 ,  H04W60/00

Abstract: The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. The disclosure provides a base station authentication method which includes receiving system information from a base station, determining whether the system information includes signature information, in case that the signature information is not included, storing information of whether the signature information is included, obtaining information regarding signing capability for the system information of the base station, and determining whether to continue an attach procedure with the base station, based on at least one of the information of whether the signature information is included and the signing capability for the system information of the base station.

公开(公告)号：US20230180000A1

公开(公告)日：2023-06-08

申请号：US18076678

申请日：2022-12-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duckey LEE ,  Jungje SON ,  Taehyung LIM ,  Hongjin CHOI

IPC: H04W12/06 ,  H04L9/32

CPC classification number: H04W12/06 ,  H04L9/3213

Abstract: The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate than a beyond 4th generation (4G) communication system such as long term evolution (LTE). A user equipment (UE) in a wireless communication system may include a transceiver and at least one controller controlling the transceiver. The at least one controller may be configured to configure a first encryption key with a network according to a primary authentication procedure, receive a first message requesting permission for use of information about the UE from an application function device, determine whether to allow use of the information about the UE based on reception of the message, generate a token based on at least one of the first encryption key, an identifier (ID) of the UE, or a first input value based on determining to allow use of the information about the UE, and transmit a second message indicating permission for use of the information about the UE, including the token to the application function device in response to the first message.

公开(公告)号：US20250088846A1

公开(公告)日：2025-03-13

申请号：US18292457

申请日：2022-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyung LIM ,  Duckey LEE ,  Jungje SON ,  Hongjin CHOI

IPC: H04W12/041 ,  H04W12/10

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.

公开(公告)号：US20250071551A1

公开(公告)日：2025-02-27

申请号：US18724866

申请日：2023-01-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongjin CHOI ,  Jungje SON ,  Duckey LEE ,  Taehyung LIM

IPC: H04W12/069 ,  H04W12/041 ,  H04W60/00

Abstract: The present disclosure provides a method and a device by which a terminal is safely provisioned, from a PS, with credentials of an SO-SNPN to receive service when a non-public network is used in a wireless communication system. The method performed by a terminal in a wireless communication system may comprise the operations of: acquiring configuration information including a certificate of the terminal and a CA certificate associated with a certificate of a provisioning server; confirming that provisioning using a control plane is performed; generating a temporary key pair on the basis of the confirmation; and acquiring credentials of an SO-SNPN on the control plane on the basis of the configuration information and the temporary key pair.

公开(公告)号：US20250048092A1

公开(公告)日：2025-02-06

申请号：US18795001

申请日：2024-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjin CHOI ,  Taehyung LIM

IPC: H04W12/043 ,  H04L5/00 ,  H04W12/106 ,  H04W76/20

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.

公开(公告)号：US20230188360A1

公开(公告)日：2023-06-15

申请号：US18064522

申请日：2022-12-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junhyun PARK ,  Taehyung LIM ,  Jungje SON ,  Hongjin CHOI ,  Duckey LEE

IPC: H04L9/32 ,  H04W12/08

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.

公开(公告)号：US20230053937A1

公开(公告)日：2023-02-23

申请号：US17817630

申请日：2022-08-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjin CHOI ,  Duckey LEE ,  Jungje SON ,  Taehyung LIM ,  Youngkyo BAEK

IPC: H04W12/086 ,  H04W12/69 ,  H04W28/02

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.