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:
Aug. 24, 2010
Filed:
Dec. 09, 2004
Philippe Golle, San Francisco, CA (US);
Jessica Nicola Staddon, Redwood City, CA (US);
Brent Waters, Palo Alto, CA (US);
Philippe Golle, San Francisco, CA (US);
Jessica Nicola Staddon, Redwood City, CA (US);
Brent Waters, Palo Alto, CA (US);
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Abstract
A system and method for providing a conjunctive keyword search over encrypted data is presented. A plurality of encrypted data is maintained. Each encrypted data includes a plurality of keyword fields that each contain a keyword. The keywords for the keyword fields are encrypted for each encrypted data. A capability is generated for two or more such encrypted keywords that includes a plurality of parameters defining a conjunctive keyword search. The capability is sent from a requestor to a server. The capability is applied to the encrypted keywords with the server to generate a result and the result is provided to the requestor.