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:
Sep. 22, 2015

Filed:

Dec. 14, 2012
Applicant:

Microsoft Corporation, Redmond, WA (US);

Inventors:

Zhimin Chen, Sunnyvale, CA (US);

Jay Scott Fuller, Scotts Valley, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04L 9/00 (2006.01); H04L 9/28 (2006.01); G06F 7/72 (2006.01);
U.S. Cl.
CPC ...
H04L 9/28 (2013.01); G06F 7/724 (2013.01); G06F 7/726 (2013.01); G06F 2207/7233 (2013.01);
Abstract

A non-linear transformation including a plurality of non-linear logical operations is masked to a second or higher order. The masking includes receiving a set of random bits, and machine-masking two or more of the plurality of non-linear logical operations with a same random bit from the set of random bits.


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