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:
Apr. 30, 2019
Filed:
Jun. 17, 2016
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Vanishree Rao, Mountain View, CA (US);
Shantanu Rane, Menlo Park, CA (US);
Ersin Uzun, Campbell, CA (US);
Alejandro E. Brito, Mountain View, CA (US);
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Abstract
A computer-implemented method for protecting sensitive data via data re-encryption is provided. Encrypted data is maintained. A data query is received from a user associated with a public key and a secret key. Results of the query are computed by identifying at least a portion of the encrypted data and by adding plaintext for the identified portion of the encrypted data as the results. A re-encryption key is generated for the results using the public key of the user and the results are re-encrypted using the re-encryption key. The re-encrypted results are then transmitted to the user.