METHOD AND SERVER FOR MANAGING USER IDENTITY BY USING BLOCKCHAIN NETWORK, AND METHOD AND TERMINAL FOR USER AUTHENTICATION USING BLOCKCHAIN NETWORK-BASED USER IDENTITY

Title:

METHOD AND SERVER FOR MANAGING USER IDENTITY BY USING BLOCKCHAIN NETWORK, AND METHOD AND TERMINAL FOR USER AUTHENTICATION USING BLOCKCHAIN NETWORK-BASED USER IDENTITY

Document Type and Number:

WIPO Patent Application WO/2020/189926

Kind Code:

A1

Abstract:

The present invention relates to a method for managing a user's identity by using a blockchain network, wherein at a request of a user terminal for the registration of a user identity claim, the request including a user ID, a user identity, and a claim type corresponding to the user identity, when a user identity claim registration request transaction including the user identity claim and a certification authority signature value is received from a certification authority server in response to the request, a blockchain node registers the user identity claim with a distributed ledger if the certification authority signature value is valid, by executing the user's smart contract, and transmits a user identity claim registration transaction ID to the certification authority server so that by using the user identity claim registration transaction ID, the certification authority server can acquire a user identity claim ID corresponding to the user identity claim registered with the distributed ledger and can transmit a claim signature value and the user identity claim ID to the user terminal.

Inventors:

UHR JOON SUN (KR)
SONG JOO HAN (KR)
LEE JU MIN (KR)

Application Number:

PCT/KR2020/003026

Publication Date:

September 24, 2020

Filing Date:

March 03, 2020

Export Citation:

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Assignee:

COINPLUG INC (KR)

International Classes:

H04L9/32; H04L9/08

Domestic Patent References:

WO2017203093A1

2017-11-30

Foreign References:

KR101877335B1	2018-08-09
KR101903620B1	2018-10-02
KR20180129027A	2018-12-05
KR20180113084A	2018-10-15

Other References:

CHOI, DAE SEEN ET AL.: "Blockchain and Authentication.", THE JOURNAL OF THE KOREAN INSTITUTE OF COMMUNICATION SCIENCES(LNFORMATIOTI & COMMUNICATIONS MAGAZINE), vol. 35, no. 7, June 2018 (2018-06-01), pages 11 - 17

Attorney, Agent or Firm:

SU INTELLECTUAL PROPERTY (KR)

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