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:
Apr. 23, 2019
Filed:
Mar. 20, 2017
Ssenstone Inc., Seoul, KR;
Chang Hun Yoo, Seoul, KR;
Un Yeong Heo, Anyang-si, KR;
Min Gyu Kim, Seoul, KR;
Woo Yong Seo, Seoul, KR;
SSenStone Inc., Seoul, KR;
Abstract
Disclosed is a user authentication method including at least: (1) performing a primary conversion to generate a first common authentication key and performing a secondary conversion to provide an encrypted first common authentication key, and registering the encrypted first common authentication key; (2) generating a first server authentication key, and performing an OTP operation on the first server authentication key to generate first server authentication information; (3) performing a primary conversion to generate a second common authentication key, performing a secondary conversion to generate an encrypted second common authentication key, generating a first user authentication key, and performing an OTP operation on the first user authentication key to generate first user authentication information; and (4) performing a user authentication or an authentication of the authentication server for determining a genuineness of the authentication server, based on coincidence of the first server authentication information and the first user authentication information.