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:
Feb. 27, 2018
Filed:
Mar. 23, 2015
Intel Corporation, Santa Clara, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Systems, methods, and apparatus to provide private information retrieval. A disclosed example system includes a first trusted processing unit to store a first portion of data such that entities other than the first trusted processing unit are unable to access the first portion of the data in the first trusted processing unit; a second trusted processing unit to store a second portion of the data such that entities other than the second trusted processing unit are unable to access the second portion of the data in the second trusted processing unit; and a third trusted processing unit to: determine that a data element specified in a request is stored in the first trusted processing unit; request the data element from the first trusted processing unit; send a dummy request to the second trusted processing unit; and send the data element to a requester.