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:
Nov. 23, 2010
Filed:
Nov. 14, 2003
Sébastien Canard, Caen, FR;
Stéphane Guilloteau, Douville Enauge, FR;
Eric Malville, Bayeux, FR;
Jacques Traore, Saint Georges des Groseillers, FR;
Sébastien Canard, Caen, FR;
Stéphane Guilloteau, Douville Enauge, FR;
Eric Malville, Bayeux, FR;
Jacques Traore, Saint Georges des Groseillers, FR;
France Telecom, Paris, FR;
Abstract
The present invention relates to a method of access to a service consisting in i) identifying and registering a client (C), ii) authenticating the client to an anonymous certification authority, iii) authenticating the client by producing an anonymous signature and opening and maintaining an anonymous authentication session with a server (Se), and iv) selectively allowing contact between the server (Se) and the anonymous certification authority (ACA) to revoke the anonymity of the client (C) using the signature provided in step iii). The invention also relates to a system for opening and maintaining an authentication session guaranteeing non-repudiation.