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. 15, 2020
Filed:
Jul. 20, 2016
Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;
Dai Ikarashi, Musashino, JP;
Koji Chida, Musashino, JP;
Koki Hamada, Musashino, JP;
Ryo Kikuchi, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Chiyoda-ku, JP;
Abstract
A secret share value of object data on which secure computation is to be performed is stored in a secure computation device, and a query which requests secure computation or secret share value of the query is input to the secure computation device. The secure computation device performs consistency verification of the secret share value of the object data and consistency verification of the query or the secret share value of the query, obtains a secret share value of a calculation result by performing secure computation in accordance with the query or the secret share value of the query which passed the consistency verification by using the secret share value of the object data which passed the consistency verification, and outputs the secret share value of the calculation result.