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1. WO2020197221 - COMMUNICATION METHOD AND COMMUNICATION DEVICE

Publication Number WO/2020/197221
Publication Date 01.10.2020
International Application No. PCT/KR2020/003951
International Filing Date 23.03.2020
IPC
H04L 9/08 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
08Key distribution
H04L 9/32 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
32including means for verifying the identity or authority of a user of the system
Applicants
  • 삼성전자 주식회사 SAMSUNG ELECTRONICS CO., LTD. [KR]/[KR]
Inventors
  • 정수연 JUNG, Sooyeon
  • 권은영 KWON, Eunyoung
  • 이민규 LEE, Mingyu
  • 정성아 JEONG, Seongah
  • 이종효 LEE, Jonghyo
  • 한세희 HAN, Sehee
Agents
  • 리앤목 특허법인 Y.P.LEE,MOCK & PARTNERS
Priority Data
10-2019-003321422.03.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) COMMUNICATION METHOD AND COMMUNICATION DEVICE
(FR) PROCÉDÉ DE COMMUNICATION ET DISPOSITIF DE COMMUNICATION
(KO) 통신 방법 및 통신 디바이스
Abstract
(EN)
According to the present disclosure, a method may be provided by which an electronic device communicates with another electronic device through a first communication, the method including: a step for generating a first key on the basis of a secret key of the electronic device and a public key of the other electronic device, the public key of the other electronic device being received through a second communication that is independent of the first communication; a step for transmitting a public key of the electronic device to the other electronic device through the second communication so that a second key corresponding to the first key can be generated in the other electronic device; a step for generating a timestamp sequence on the basis of the first key; and a step for communicating with the other electronic device through the first communication by using the timestamp sequence.
(FR)
La présente invention concerne un procédé par lequel un dispositif électronique communique avec un autre dispositif électronique par l'intermédiaire d'une première communication. Le procédé comprend: une étape de génération d'une première clé sur la base d'une clé secrète du dispositif électronique et d'une clé publique de l'autre dispositif électronique, la clé publique de l'autre dispositif électronique étant reçue par l'intermédiaire d'une deuxième communication indépendante de la première communication; une étape consistant à transmettre une clé publique du dispositif électronique à l'autre dispositif électronique par l'intermédiaire de la seconde communication de sorte qu'une seconde clé correspondant à la première clé puisse être générée dans l'autre dispositif électronique; une étape de génération d'une séquence d'estampille temporelle sur la base de la première clé; et une étape de communication avec l'autre dispositif électronique par l'intermédiaire de la première communication à l'aide de la séquence d'estampille temporelle.
(KO)
본 개시에 의해, 전자 디바이스에서 다른 전자 디바이스와 제 1 통신을 통해 통신하는 방법으로서: 상기 전자 디바이스의 비밀키, 및 상기 제 1 통신과 서로 독립적인 제 2 통신을 통해 수신된 상기 다른 전자 디바이스의 공개키에 기초하여 제 1 키를 생성하는 단계; 상기 다른 전자 디바이스에서 상기 제 1 키에 대응하는 제 2 키가 생성될 수 있도록, 상기 전자 디바이스의 공개키를 상기 제 2 통신을 통해 상기 다른 전자 디바이스에게 전송하는 단계; 상기 제 1 키에 기초하여 타임스탬프 시퀀스 (timestamp sequence) 를 생성하는 단계; 및 상기 타임스탬프 시퀀스를 이용하여 상기 다른 전자 디바이스와 상기 제 1 통신을 통해 통신하는 단계;를 포함하는 방법이 제공될 수 있다.
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