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. 04, 2013
Filed:
Sep. 24, 2008
Côme Berbain, Montrouge, FR;
Olivier Billet, Tourrettes sur Loup, FR;
Henri Gilbert, Bures sur Yvette, FR;
Côme Berbain, Montrouge, FR;
Olivier Billet, Tourrettes sur Loup, FR;
Henri Gilbert, Bures sur Yvette, FR;
France Telecom, Paris, FR;
Abstract
The invention relates to a secure communication between an electronic label (A) and a reader (B), in particular for the authentication of the label by the reader, in which: the reader () transmits at least one datum (Ch) to the label, the label calculates a combination comprising at least the datum from the reader (Ch)) and a secret (S) specific to the label, and the label communicates () the result (C(S, Ch)) of the combination to the reader (B) for verification purposes. The aforementioned combination (C(S, Ch)) is preferably calculated using a current secret value (S) delivered by a pseudo-random number generator (). The reader (B) is also provided with a homologous pseudo-random generator.