公开(公告)号：US20230132559A1

公开(公告)日：2023-05-04

申请号：US18084622

申请日：2022-12-20

Applicant: Kioxia Corporation

Inventor： Takeshi ISHIHARA ,  Yoshihiro OHBA ,  Atsushi INOUE

IPC: G06F3/06

Abstract: According to one embodiment, an I/O command control apparatus receives authorization information. The authorization information indicates whether or not to permit an execution of an I/O command. The apparatus verifies whether the received authorization information is not tampered with, and whether the received authorization information is issued from a known authorization server. In a case where the authorization information is not tampered with, and is issued from the known server, the apparatus verifies whether or not the authorization information permits to execution of the I/O command. The apparatus permits or prohibits the execution of the I/O command or execution of a control command generated from the I/O command, based on the authorization result.