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:
Jun. 22, 2021
Filed:
Jul. 06, 2017
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Toshinori Araki, Tokyo, JP;
Jun Furukawa, Tokyo, JP;
Kazuma Ohara, Tokyo, JP;
Haruna Higo, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/48 (2006.01); H04L 9/08 (2006.01); G09C 1/00 (2006.01);
U.S. Cl.
CPC ...
G06F 7/4824 (2013.01); G09C 1/00 (2013.01); H04L 9/085 (2013.01); H04L 2209/46 (2013.01);
Abstract
A secure computation system is provided. The system includes a distribution information generation apparatus that generates data distribution values, sign distribution values and carry distribution values from at least two fixed-point numbers by distributing each of the at least two fixed-point numbers using an additive secret sharing scheme; and a secure computation apparatus group including at least two secure computation apparatuses. The secure computation apparatus group includes: a secure digit extender; and a secure multiplier.