Abstract: The present disclosure relates to: a 5G communication technique for supporting a higher data transmission rate than a 4G system; and a system therefor.

Abstract: The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. The present disclosure relates to a method and apparatus for re-installing a profile when changing an eUICC terminal. A method performed by a first terminal in a wireless communication system supporting device changes comprises the steps of: transmitting, to a profile server, a device change request message for a device change for a profile of the first terminal; receiving, from the profile server, a device change request response message including a confirmation code requirement indicator for the device change; confirming, on the basis of the confirmation code requirement indicator for the device change, the reception of a confirmation code input; generating confirmation code hash information on the basis of the confirmation code; and transmitting, to the profile server, a device change confirmation message including the confirmation code hash information.

Abstract: A method, performed by a user equipment (UE), of managing secondary platform bundles (SPBs), includes receiving an end user selection for managing a state of at least one SPB among SPBs installed in a smart secure platform (SSP) module; checking bundle management information required to manage the state of the at least one SPB based on the end user selection; determining whether end user intent confirmation is required to manage the state of the at least one SPB according to the end user selection based on the bundle management information; and managing the state of the at least one SPB based on a result of the determining.

Abstract: The disclosure relates to a method and apparatus for reinstalling a profile at the time of changing an eUICC terminal. A terminal for managing a profile for network connection by using an eUICC in a wireless communication system includes a transceiver and at least one processor configured to control the terminal to receive a request for profile transfer from a user, identify profile transfer information, transmit a message requesting an activation code to a profile server, receive, from the profile server, the activation code and information indicating whether a profile deletion is required, delete the profile, transmit a deletion result of the profile to the profile server, transmit the activation code to another terminal, receive the activation code from the other terminal, transmit a message requesting a profile to the profile server by using the activation code, receive a profile package from the profile server, and install the profile package.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data rate than a 4G communication system such as LTE. An embodiment of the disclosure provides a method and an apparatus for determining a scheme of accessing an ISD-R corresponding a profile management module in an eUICC in a terminal (a modem or an LPA) during terminal-card initialization. In addition, an embodiment of the disclosure provides a method for determining, by an LPA, a scheme of access an ISD-R to be used by the LPA, with reference to a scheme determined during terminal-card initialization or a pre-configured scheme, and transferring a message to an eUICC. In addition, an embodiment of the disclosure provides a method and an apparatus for configuring, by an LPA, different profile management messages according to determined ISD-R access schemes, and perform transferring through a selected ISD-R access scheme.

Abstract: A communication method of a network function (NF) consumer in a wireless communication system according to an embodiment of the disclosure may include: receiving, from an NF repository function (NRF), a discovery response message in a discovery procedure, the discovery response message including NF set information including NF instance identifiers (IDs) for providing a service; transmitting, to the NRF, an access token request message including an NF producer instance ID; receiving, from the NRF, an access token response message including an access token; transmitting, to a service communication proxy (SCP), a service request message to be transmitted to an NF producer instance, the service request message including the token received from the NRF, a client credentials assertion (CCA) of the NF consumer, and the NF set information; and receiving, from the SCP, a service response message including a CCA of the NF producer instance.

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.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and an apparatus for providing a dual subscriber identity module (SIM) function even in a terminal with a single embedded universal integrated circuit card (eUICC) mounted are provided. A method and an apparatus for installing, activating, and managing a plurality of profiles are provided, so that even a terminal with a single eUICC mounted may provide a dual SIM function in a communication system.

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.

Abstract: The present 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 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. The disclosure provides a method and an apparatus for efficient event management using a secure element and a bundle installed therein.

Abstract: A method of a local bundle assistant (LBA) negotiating a certificate with a secondary platform bundle manager (SPBM) in a wireless communication system including: transmitting a request message requesting information of certificates supported by a secondary secure platform (SSP) to a secondary platform bundle loader (SPBL) of the SSP; receiving the information of certificates supported by the SSP including information of certificate issuers corresponding to a family identifier from the SPBL; transmitting the information of certificates supported by the SSP to the SPBM; and receiving a certificate of the SPBM for key agreement, information of public key identifiers of certificate issuers to be used by the SSP, and information of the family identifier from the SPBM.

Abstract: A method, performed by a user equipment (UE), of managing secondary platform bundles (SPBs), includes receiving an end user selection for managing a state of at least one SPB among SPBs installed in a smart secure platform (SSP) module; checking bundle management information required to manage the state of the at least one SPB based on the end user selection; determining whether end user intent confirmation is required to manage the state of the at least one SPB according to the end user selection based on the bundle management information; and managing the state of the at least one SPB based on a result of the determining.

Abstract: A method performed by a subscription manager discovery service (SM-DS) server in a wireless communication system is provided. The method includes performing a mutual authentication procedure with a terminal, generating an event checking identifier (ECID) associated with an embedded universal integrated circuit card (eUICC) identifier (EID), and transmitting, to the terminal, a message including the ECID, wherein the ECID is stored in the terminal and associated with an address of the SM-DS server.

Abstract: The present disclosure relates to a communication technique that combines a 5G communication system for supporting a data rate that is higher than that of a beyond 4G system with IoT technology, and a system thereof. The present disclosure may be applied to intelligent services on the basis of 5G communication technology and IoT related technology, such as smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services. Disclosed is a method for causing a cellular network itself to receive provisioning of a SIM profile to make it possible to use a normal cellular network service.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided is a method by which a network function (NF) service consumer entity operates in a wireless communication system. The method by which the NF service consumer entity operates includes transmitting, to a service communication proxy (SCP) entity, a service request message including at least one of a client credentials assertion (CCA) credential of the NF service consumer entity, or information related to an NF service producer entity, receiving, from the SCP entity, a service response message, wherein the service response message generated by the NF service producer entity is forwarded by the SCP entity to the NF service consumer entity, and authenticating the NF service producer entity based on the service response message.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A user equipment in a communication system, according to various embodiments of the present disclosure, includes: a controller that determines at least one communication service to deactivate among communication services that are able to be provided and a transmitter that transmits, to a server, a message for identifying the at least one communication service to deactivate.

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.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data rate than a 4G communication system such as LTE. An embodiment of the disclosure provides a method and an apparatus for determining a scheme of accessing an ISD-R corresponding a profile management module in an eUICC in a terminal (a modem or an LPA) during terminal-card initialization. In addition, an embodiment of the disclosure provides a method for determining, by an LPA, a scheme of access an ISD-R to be used by the LPA, with reference to a scheme determined during terminal-card initialization or a pre-configured scheme, and transferring a message to an eUICC. In addition, an embodiment of the disclosure provides a method and an apparatus for configuring, by an LPA, different profile management messages according to determined ISD-R access schemes, and perform transferring through a selected ISD-R access scheme.

Abstract: The disclosure relates to communication techniques for merging 5th generation (5G) communication systems with internet-of-things (IoT) technology to support a high data transmission rate in post-4th generation (4G) system and systems therefor. The disclosure can be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. The disclosure may be applied to a technology of managing connections between a terminal supporting a multi-subscriber identity module (multi-SIM) equipped with a smart secure medium and a plurality of activated telecom bundles, and connections between the terminal supporting the multi-SIM and a plurality of profiles in a single telecom bundle.

Abstract: The disclosure relates to a communication method and a 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 a smart home, a smart building, a smart city, a smart car, a connected car, health care, digital education, smart retail, security and safety services. A user equipment (UE) is provided.