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:
Apr. 15, 2014
Filed:
Nov. 17, 2009
Pim Theo Tuyls, Turnhout, BE;
Geert Jan Schrijen, Venlo, NL;
Daniel Willem Elisabeth Schobben, Waalre, NL;
Pim Theo Tuyls, Turnhout, BE;
Geert Jan Schrijen, Venlo, NL;
Daniel Willem Elisabeth Schobben, Waalre, NL;
Intrinsic ID B.V., Eindhoven, NL;
Abstract
An electronic system () having a memory () with multiple memory locations, each specific memory location of the multiple memory locations being arranged to produce a respective value, the respective value depending on a physical, at least partially random, configuration of components constructing the specific memory location, the electronic system comprises a key extraction means () arranged to retrieve multiple values in a first order from the multiple memory locations and for determining a reproducible cryptographic key in dependency on the multiple values, characterized in that the electronic system further comprises a re-ordering () means in between the memory and the key extraction means for providing the multiple values to the key extraction means in a second order, different from the first order, prior to determining the cryptographic key.