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, 2011
Filed:
Nov. 20, 2006
Andrew E. Seman, Jr., White Marsh, MD (US);
Daniele C. Brotto, Baltimore, MD (US);
Danh T. Trinh, Parkville, MD (US);
Fugen Qin, Baltimore, MD (US);
Andrew E. Seman, Jr., White Marsh, MD (US);
Daniele C. Brotto, Baltimore, MD (US);
Danh T. Trinh, Parkville, MD (US);
Fugen Qin, Baltimore, MD (US);
Black & Decker Inc., Newark, DE (US);
Abstract
A method and system for authenticating a smart battery having a smart battery and an electronic device. Both the device and the smart battery generate encrypted random strings using key material based by A/D noise bits as a seed value. A pseudo random number is generated from the A/D noise that is transmitted to both the electronic device and the smart battery. The pseudo random number is used by both devices as a key index to select one of a plurality of keys stored in separate key libraries. The keys, or key material, is used to execute an encryption algorithm. The two encryption data streams are then compared to authenticate the smart battery.