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:
Oct. 06, 2026
Filed:
Feb. 16, 2022
Ntt, Inc., Tokyo, JP;
Hiroki Sudo, Tokyo, JP;
NTT, Inc., Tokyo, JP;
Abstract
A secure computation apparatus includes a former half window frame column generation unit configured to generate, with respect to subVector ({g}, s+1, i}, a bit column obtained by an OR operation performed on all bits from the end to each position as {w}, a latter half window frame column generation unit configured to generate, with respect to subVector ({g}, i+1, t}, a bit column obtained by an OR operation performed on all bits from the head to each position as {w}, a window frame flag column generation unit configured to generate {w} by combining {w} and {w}, an inverted window frame flag column generation unit configured to generate {w'} by performing a NOT operation on {w}, a share conversion unit configured to convert {w′} into [[w′]], and a product-sum operation unit configured to execute a product-sum operation on subVector ([[v′]], s, t) and [[w′]].
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