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:
Sep. 20, 2011
Filed:
Jun. 26, 2009
Applicants:
Craig B. Gentry, Mountain View, CA (US);
Zulfikar Amin Ramzan, San Mateo, CA (US);
Bernhard Bruhn, Stuttgart, DE;
Inventors:
Craig B. Gentry, Mountain View, CA (US);
Zulfikar Amin Ramzan, San Mateo, CA (US);
Bernhard Bruhn, Stuttgart, DE;
Assignee:
NTT DOCOMO, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the setup phase, the certification authority (CA) generates validation proof data structures for greater time than the maximum validity period of any digital certificate. Therefore, new certificates can be added to the existing data structures after the setup phase.