公开(公告)号：EP2259205A4

公开(公告)日：2012-12-26

申请号：EP08873668

申请日：2008-11-06

Applicant: PANASONIC CORP

Inventor： MAEDA MANABU ,  FUTA YUICHI ,  MATSUZAKI NATSUME ,  YOKOTA KAORU ,  NONAKA MASAO ,  UNAGAMI YUJI ,  SHIZUYA HIROKI ,  HASEGAWA SHINGO ,  MINAGAWA MARIKA

IPC: G06F21/22 ,  G06F9/445 ,  G06F11/00 ,  G06F21/00

CPC classification number: G06F21/57 ,  G06F21/51

Abstract: To aim provide a software update apparatus including an install module group (130) composed of a plurality of install modules. Each of the install modules has a function of receiving, from an external server (200), a replacement protection control module (121) to be used for updating a protection control module (120) having a function of verifying whether a predetermined application has been tampered with. Each of the install modules simultaneously running is verified by at least another one of the install modules simultaneously running, as to whether the install module has a possibility of performing malicious operations.