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:
Aug. 02, 2016
Filed:
Jan. 16, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Hirotaka Ittogi, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The authentication system includes a to-be-authenticated device for generating a first authentication data; an authentication code convertor for converting the first authentication data generated by the to-be-authenticated device into a second authentication data; and an authentication device for performing authentication of the to-be-authenticated device based on the second authentication data. The first authentication data includes an authentication code obtained by encrypting challenge data output from the authentication device and input to the to-be-authenticated device through the authentication code convertor and predetermined data included in the to-be-authenticated device in accordance with an encryption method using a first encryption key; and the predetermined data included in the to-be-authenticated device. The second authentication data includes an authentication code obtained by encrypting the challenge data output from the authentication device and input to the authentication code convertor and the predetermined data included in the to-be-authenticated device.