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. 20, 2008
Filed:
Aug. 28, 2003
Applicant:
Ilan Mahalal, Paris, FR;
Inventor:
Ilan Mahalal, Paris, FR;
Assignee:
Axalto S.A., Meudon, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/32 (2006.01); G06F 11/30 (2006.01); G06F 12/14 (2006.01); G06F 7/04 (2006.01); G06F 17/30 (2006.01); G06K 9/00 (2006.01); G06K 19/00 (2006.01); G06F 7/58 (2006.01); G06F 15/16 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for calculating hashing of a message in a device communicating with a smart card involves storing a same hash function in said device and said smart card, wherein the message includes-data blocks including secret data and other public data, and wherein secret data is only known by the smart card, performing a calculation of the hash function of the secret data in the smart card, and performing the calculation of the hash function of all or part of other public data in the device.