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.

Date of Patent:
May. 26, 2020

Filed:

Feb. 15, 2018
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Xinxin Fan, Pittsburgh, PA (US);

Boyang Wang, Tucson, AZ (US);

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/93 (2019.01); G06F 16/31 (2019.01); G06F 16/33 (2019.01); H04L 9/00 (2006.01); H04L 29/06 (2006.01); G06F 21/62 (2013.01); G06F 16/332 (2019.01); G09C 1/00 (2006.01); G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/6218 (2013.01); G06F 16/316 (2019.01); G06F 16/332 (2019.01); G06F 16/3331 (2019.01); G06F 16/93 (2019.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); G06F 21/6227 (2013.01); G09C 1/00 (2013.01); H04L 9/00 (2013.01); H04L 63/0428 (2013.01); H04L 63/0435 (2013.01); G06F 2221/2107 (2013.01);
Abstract

A method for searching encrypted data includes identifying, with a client, a plurality of values within a predetermined search range in a search index stored within a memory of the client, each value in the plurality of values being present in a plaintext representation of at least one encrypted file in a plurality of encrypted files stored in a server. The method further includes generating and transmitting at least one search query to the server through a data network, and receiving, with the client, at least one response from the server through the data network, the response including the encrypted keyword corresponding to the value in the plurality of values and an identifier of at least one file in the plurality of encrypted files stored on the server that includes the value.


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