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:
Jun. 19, 2018
Filed:
Aug. 24, 2015
Estorm Co., Ltd, Seoul, KR;
Jong Hyun Woo, Seoul, KR;
eStorm Co., LTD, Seoul, KR;
Abstract
An authentication system for providing an authentication service for a user accessing the same through a communication network includes a seed server for managing a user seed value related to each user identification information, a one time password (OTP) generation device provided in a user's mobile terminal, the OTP generation device generating a user OTP by using at least one portion previously defined in an IP address dynamically assigned to the mobile terminal by a mobile communication operator and a user's user seed value, and an authentication server for, if a user authentication request is received, generating an OTP corresponding to the user OTP by using the at least one portion previously defined in the IP address dynamically assigned to the mobile terminal and the user seed value related to the user identification information, and comparing the user OTP with the corresponding OTP, thereby authenticating the user.