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. 10, 2008
Filed:
Sep. 05, 2002
Marc Joye, Saint Zacharie, FR;
Pascal Paillier, Paris, FR;
Florence Ques-rochat, Asnieres sur Seine, FR;
Karine Villegas, Gemenos, FR;
Nathalie Feyt, Cuges les Pins, FR;
Benoit Chevallier Mames, Cassis, FR;
Marc Joye, Saint Zacharie, FR;
Pascal Paillier, Paris, FR;
Florence Ques-Rochat, Asnieres sur Seine, FR;
Karine Villegas, Gemenos, FR;
Nathalie Feyt, Cuges les Pins, FR;
Benoit Chevallier Mames, Cassis, FR;
Gemplus, Gemenos, FR;
Abstract
The invention concerns a method for implementing in an electronic component a cryptographic algorithm using calculating means. The invention is characterized in that it consists in carrying out the following steps: a) selecting a value e among a specific number of values e, ebeing integers, b) checking if everifies a predetermined relationship: if so, then e=e, and storing e for use in calculating said cryptographic algorithm.