Title:
DID AUTHENTICATION METHOD USING SMART CARD, AND SMART CARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/085802
Kind Code:
A1
Abstract:
Disclosed is a smart card comprising: a communication circuit configured to communicate with a reader associated with an authentication service; a memory that stores a program associated with the authentication service, a decentralized identifier, and a verifiable credentials (VC) list; and at least one processor configured to be operatively connected to the memory to execute instructions, wherein the at least one processor is configured to: when receiving an authentication request from the reader, transmit, to the reader, VC included in the VC list and associated with the authentication request; and when receiving, from the reader, a hash value generated on the basis of at least some information included in the VC, generate a digital signature on the basis of a set of the hash value and the decentralized identifier, and transmit the generated digital signature to the reader. Other various embodiments identified by the specification are possible.
Inventors:
LIM BYOUNG WAN (KR)
KIM YONG TAE (KR)
KIM YONG TAE (KR)
Application Number:
PCT/KR2022/017643
Publication Date:
May 19, 2023
Filing Date:
November 10, 2022
Export Citation:
Assignee:
BLOCKCHAIN LABS INC (KR)
International Classes:
H04L9/32; G06Q20/38; G07C9/00; G07C9/22; G07C9/29; H04L9/00
Foreign References:
| US9083703B2 | 2015-07-14 | |||
| KR20210051077A | 2021-05-10 | |||
| KR101675945B1 | 2016-11-15 | |||
| KR101818601B1 | 2018-01-16 | |||
| KR20200018967A | 2020-02-21 |
Attorney, Agent or Firm:
LIDAM IP LAW FIRM (KR)
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