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:
Mar. 25, 2014
Filed:
Nov. 19, 2010
Applicants:
Alexandre Karlov, Meyrin, CH;
Pascal Junod, Vufflens-la-Ville, CH;
Inventors:
Alexandre Karlov, Meyrin, CH;
Pascal Junod, Vufflens-la-Ville, CH;
Assignee:
Nagravision S.A., Cheseaux-sur-Lausanne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The aim of the present invention is to propose a method for providing attribute-based encryption for conjunctive normal form (CNF) expressions, the said CNF expression comprising at least one clause over a set of attributes, the said method using a key generation engine, an encryption engine and a decryption engine.