The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2025
Filed:
Jan. 03, 2023
Applicant:
Postech Academy—industry Foundation, Pohang-si, KR;
Inventors:
Chan Ik Park, Pohang-si, KR;
Jeong Hyeon Ma, Ansan-si, KR;
Assignee:
POSTECH ACADEMY—INDUSTRY FOUNDATION, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0884 (2013.01); H04L 63/083 (2013.01); H04L 63/0876 (2013.01);
Abstract
A user authentication method performed by an authentication management server constituting a block chain network with a target device may comprise receiving, from the target device, a transaction including authentication information of a user and a unique value of the target device; determining a token of the user stored in a smart contract based on the authentication information; and authenticating the user based on validity information of the token, ownership information of the token, and the transaction.