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:
Nov. 25, 2008
Filed:
Oct. 18, 2001
Applicant:
Erik Knudsen, Paris, FR;
Inventor:
Erik Knudsen, Paris, FR;
Assignee:
Oberthur Technologies, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/30 (2006.01); H04L 9/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A calculation unit in which the inverse of an integer modulo a large number is determined provides a series of binary numbers prime with the large number, divides those numbers into two groups at random, and effects the products of the numbers of each group.