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:
Apr. 18, 2023
Filed:
Jan. 23, 2020
Scalar, Inc., Tokyo, JP;
Hiroyuki Yamada, Kamakura, JP;
Scalar, Inc., Tokyo, JP;
Abstract
In each node system, a request execution unit executes, for each state update request, state update processing of updating an object representing a state of a target specified in the request, and returns a response indicative of completion of the request without executing tamper-evidence processing. The tamper-evidence execution unit executes tamper-evidence processing of detecting whether one or more common completion requests of one or a plurality of update completion requests are tampered with by comparing updated objects of two or more node systems or summaries thereof. The update completion request is a state update request for which the execution of the state update processing has been completed. The common completion request is an update completion request that is common among two or more node systems of the plurality of node systems.