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. 10, 2016
Filed:
Jul. 02, 2013
Applicant:
Oberthur Technologies, Colombes, FR;
Inventors:
Assignee:
OBERTHUR TECHNOLOGIES, Colombes, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0428 (2013.01); H04L 9/302 (2013.01); H04L 9/3006 (2013.01); H04L 9/321 (2013.01); H04L 2209/26 (2013.01);
Abstract
A method for verifying the security of a device for generating private and public cryptographic keys. Such a method includes generating at least one pair of private and public cryptographic keys by the device from at least one random variable coming from a random-variable generator; transmitting at least one constituent element of a generated private or public key to at least one device for verifying; and determining a level of security of the device from the at least one transmitted element, as a function of pieces of information stored by the device for verifying.