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, 2014
Filed:
Nov. 23, 2011
Applicants:
Guanghui Wu, Shanghai, CN;
Shoudi LI, Shanghai, CN;
Xue Cui, Shanghai, CN;
Inventors:
Assignee:
VIA Technologies, Inc., New Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/14 (2006.01); G06F 21/12 (2013.01);
U.S. Cl.
CPC ...
G06F 21/125 (2013.01); Y10S 707/99939 (2013.01);
Abstract
An embodiment of the invention provides a data encryption method for an electrical device. The method comprises: generating an identification code corresponding to the electrical device; generating a temporary key according to the identification code; encrypting first data to generate a first secret key according to the temporary key and a first encryption mechanism; and encrypting the first secret key by a second encryption mechanism to generate an encrypted key.