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:
Mar. 01, 2011
Filed:
Mar. 28, 2007
Applicants:
Luc Wuidart, Pourrières, FR;
Pierre Balthazar, Aix-en-Provence, FR;
Inventors:
Luc Wuidart, Pourrières, FR;
Pierre Balthazar, Aix-en-Provence, FR;
Assignee:
STMicroelectronics S.A., Montrouge, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A secure method and system of digital data transmission between a sender and a receiver, including a phase of receiver authentication by a symmetrical authentication key sharing algorithm with no transmission of the key, a phase of data watermarking by using the authentication key as the watermarking key, and a phase of transmission of the watermarked data.