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:
Dec. 21, 2010
Filed:
Dec. 19, 2005
Applicants:
Jiahe Helen Wang, Issaquah, WA (US);
Qiang Huang, Princeton, NJ (US);
David Jao, Bellevue, WA (US);
Inventors:
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04L 9/00 (2006.01); H04L 9/30 (2006.01); H04L 29/06 (2006.01); B41K 3/38 (2006.01); G06F 7/04 (2006.01); G06F 17/30 (2006.01); G06F 7/00 (2006.01); G06F 15/00 (2006.01); H04N 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for collecting data from devices using a homomorphic encryption of the data is provided. A collection system of a device adds contributions to homomorphically encrypted data and forwards the requests to another device. When the device receives a reply to the request, it uncombines its contribution to the homomorphic encryption of the data. The device then forwards the reply to the previous device. The initiator device ultimately removes its contribution to the encryption and identifies the data.