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:
May. 23, 2006
Filed:
Apr. 07, 2000
Applicants:
Louis Goubin, Paris, FR;
Jacques Patarin, Viroflay, FR;
Inventors:
Louis Goubin, Paris, FR;
Jacques Patarin, Viroflay, FR;
Assignee:
CP8 Technologies, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for protecting one or more computer systems using the same secret key (Ks) cryptographic algorithm, characterized in that the way in which said calculation is performed depends, for each computer system and for each secret key, on secret data (Ds) stored in a secret area of the computer system or systems.