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. 03, 2010
Filed:
Jun. 24, 2005
Koji Okada, Tokyo, JP;
Tatsuro Ikeda, Fuchu, JP;
Hidehisa Takamizawa, Fuchu, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Solutions Corp., Tokyo, JP;
Abstract
According to an aspect of the invention, a management of each authentication subprocess assures the each authentication subprocess, and assurance contents can be verified by verification side, so that trustworthiness of the whole authentication process can be improved. An authentication system includes authentication entity devices which separately execute authentication subprocesses Pand Pand a verification device which verifies the executed contents of each of the authentication subprocesses Pand P. The entity device includes a confidential information management unit which manages confidential information, an authenticator generating unit which generates an authenticator using the confidential information, and a context generating unit which generates a specific context pursuant to a specific format from the authenticator and the executed contents.