Samsung Electronics Co., Ltd.

Jonghyo Lee

Sooyeon Jung

Inyoung Shin

Hyunchul Kim

Yi Yang

Moonseok Kang

Sehwan Choi

Jonghoon Jang

Seongah Jeong

Sejong Yoon

Taehyung Lim

Ji-Hye Lee

Se Hee Han

JunHyung Kim

Jooyeol Lee

Duckey Lee

Jungsik Park

Hyewon Lee

Sukgi Hong

Mingyu Lee

Sun Myung Choi

Sehee Han

Jiho Shin

Eunyoung Kwon

Lokesh Gurram

Choi Sun

Provided are a method and electronic device for storing a digital key. The electronic device includes: a communicator; a secure element configured to store a digital key and perform authentication related to the digital key; a memory storing a program and data for storing the digital key; and a processor configured to execute the program stored in the memory to perform authentication on a target device and a user of the electronic device by performing short range communication with the target device, generate the digital key for the target device, and store the generated digital key in one region of the secure element.

Method for storing digital key and electronic device

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.

Method by which device shares digital key

Provided is a method, performed by an electronic device, of communicating with another electronic device through first communication, the method including: generating a first key based on a secret key of the electronic device and a public key of the other electronic device received through second communication independent of the first communication; transmitting a public key of the electronic device to the other electronic device through the second communication such that a second key corresponding to the first key is generated at the other electronic device; generating a timestamp sequence based on the first key; and conducting communication with the other electronic device through the first communication by using the timestamp sequence.

Communication method and communication device

Provided is a method and apparatus for registering a shared key. A method of registering, by a second electronic device, a shared digital key in a target device includes receiving a digital key sharing attestation and a key tracking server (KTS) signature corresponding to the digital key sharing attestation, receiving an authentication request from the target device, and transmitting an authentication response including the digital key sharing attestation and the KTS signature to the target device in response to the authentication request.

Method and apparatus for registering shared key

An electronic device and an operation method of the electronic device for transceiving data through ultra-wideband (UWB) in a wireless communication system are provided. The operation method includes broadcasting or multicasting, by the electronic device, a ranging start message including first data; receiving, by the electronic device from another electronic device, a ranging response message including second data; and broadcasting or multicasting, by the electronic device, a ranging final message including third data.

Method and apparatus for controlling ranging in wireless communication system

The present disclosure relates to an immobilizer token management system, and an embodiment may include generating immobilizer token indices, generating a digital key according to a request for the issuance of a digital key received from a digital key sharing device, mapping the digital key to one of the immobilizer token indices, and transmitting, to the digital key sharing device, the digital key and the immobilizer token index mapped to the digital key.

Immobilizer token management system

The disclosure relates to an electronic device for processing a digital key and an operation method thereof. The electronic device for processing a digital key may include a communicator configured to receive a request from a digital key framework, verify a package, a signature information of the package, and a certificate information of the target device based on a first authentication information received from the digital key framework and a second authentication information stored in the secure element, and generate the digital key by using configuration information included in the package.

Electronic device for processing digital key, and operation method therefor

A secure element (SE) for processing a digital key includes a communication interface for communicating with a host, a memory for storing programs and data for processing the digital key, and a processor for executing the programs stored in the memory to receive a digital key processing request from a target device, determine whether a service is providable to the target device, by using a service-provider-specific service performance manager, process the digital key by using a digital key manager based on digital key processing information stored in the memory, upon determining that a service is providable to the target device, issue a digital key processing certificate by using the service-provider-specific service performance manager based on authentication information stored in the memory, and transmit the digital key processing certificate to at least one of a service provider and the target device.

Secure element for processing and authenticating digital key and operation method therefor

Disclosed are an electronic device and a method of performing digital key provisioning of an electronic device. The electronic device according to an embodiment includes a communication unit, a memory that stores programs and data for performing digital key provisioning, and a processor configured to, by executing the programs stored in the memory, perform device authentication on a target device by performing short-range communication with the target device, identify a digital key service access right of the target device through a server by obtaining user information, and control generation and storing of a digital key in response to a digital key generation request from the target device.

Electronic device and digital key provisioning method of electronic device

A method and an electronic device for ranging are provided. An ultra-wideband (UWB) signal is received from an external device through a first antenna. A communication state between the external device and the electronic device is identified using information about communication quality included in the UWB signal. A signal received through a second antenna is identified by decoding the received signal based on the identified communication state. A distance between the electronic device and the external device is determined based on whether the received signal is a low frequency (LF) signal.

Electronic device for performing ranging and method thereof

An electronic device includes communication circuitry configured to perform short-range wireless communication, ultra-wideband (UWB) communication circuitry configured to perform UWB communication, a secure element comprising a secure data storage configured to provide an execution environment isolated from an operating system (OS) of the electronic device, and a processor. The UWB communication circuitry performs ranging with an external electronic device, receives a first UWB signal including a medium access control (MAC) header and a MAC payload from the external electronic device, and determines, based at least on MAC payload information included in the MAC payload, whether to forward information included in the MAC payload information element to the secure element.

Method for UWB transaction and electronic device therefor

An electronic device for supporting an ultra wide band (UWB) protocol transmits first data, including mode information indicating whether the electronic device supports a mode associated with control of a preamble and a preamble having a first length, to an external electronic device circuit, receives second data including mode information indicating whether the external electronic device supports the mode associated with the control of the preamble from the external electronic device, and controls a length of the preamble, based on the mode information included in the second data.

Device and method for adaptively controlling preamble in UWB network

Provided is a method of operating a controller, a method of operating a controlee, a controller, and a controlee. The method of operating a controller that performs a ranging with a controlee using ultra wideband (UWB) communication in a wireless communication system, the method including: transmitting, to the controlee, a first ranging control message (RCM) comprising information of a first ranging interval for a second RCM; changing a ranging interval for the second RCM from the first ranging interval to a second ranging interval; transmitting, to the controlee, an interval update message for the second RCM comprising information for the changed ranging interval based on the first ranging interval; and transmitting, to the controlee, the second RCM based on the changed ranging interval.

Growing community of inventors

Suwon-si, South Korea

Jonghyo Lee