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:
Jan. 27, 2009
Filed:
Mar. 11, 2002
Sanguthevar Rajasekaran, Los Altos, CA (US);
Rammohan Varadarajan, Cupertino, CA (US);
Sanguthevar Rajasekaran, Los Altos, CA (US);
Rammohan Varadarajan, Cupertino, CA (US);
Arcot Systems, Inc., Santa Clara, CA (US);
Abstract
Techniques for efficiently searching encrypted searchable spaces. For example, embodiments of the present invention provide techniques for searching a plurality of files that are stored in encrypted (or ciphertext) form. According to embodiments of the present invention, the search can usually be performed by decrypting only a portion of the encrypted searchable space. According to an embodiment of the present invention, the search techniques determine a set of files comprising one or more files from the plurality of encrypted files that contain a user-specified query element. The set of files is usually determined by decrypting only a subset of the plurality of encrypted files.