METHOD FOR DISTRIBUTED AUTHENTICATION OF DEVICE IN INTERNET-OF-THINGS BLOCKCHAIN ENVIRONMENT, AND SYSTEM FOR DISTRIBUTED AUTHENTICATION OF DEVICE USING SAME

WIPO Patent Application WO/2020/138525

A1

The present invention relates to a system and method for distributed authentication of a device in an internet-of-things blockchain environment. In the system for distributed authentication of a device, each node: stores information and details about a device at each stage in a Distributed Hash Table (DHT) through blockchain consensus in order to perform authentication in an internet-of-things blockchain environment; requests, to a blockchain network, the control of user access or the authentication of a device, performs authentication by reaching a consensus on the basis of the stored details in the respective nodes, and multi-encrypts a message propagated by a manufacturer, a service provider, a user, and the like. Accordingly, the system for distributed authentication of a device according to the present invention can disallow the participation of counterfeit devices and devices having forged or falsified authentication information, prevent attacks utilizing stolen devices, prevent users from losing ownership, and prevent malicious users from accessing a device.

CHO SOO-HWAN (KR)
PARK SOO-YONG (KR)
KIM SUN-TAE (KR)

PCT/KR2018/016652

July 02, 2020

December 26, 2018

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UNIV SOGANG RES FOUNDATION (KR)

H04L29/06; H04L29/08

WO2017207314A1

2017-12-07

US20180183587A1	2018-06-28
US20180254898A1	2018-09-06
US20180359095A1	2018-12-13
US20170300901A1	2017-10-19

LEE, Ji-Yeon (KR)

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