INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
To enable both preventing an alteration of second software to be used for recovering first software, and performing secure update of the second software.SOLUTION: Provided is an information processing device which stores first software into a first storage medium accessible by a CPU and an embedded...
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Format | Patent |
Language | English Japanese |
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17.05.2022
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Abstract | To enable both preventing an alteration of second software to be used for recovering first software, and performing secure update of the second software.SOLUTION: Provided is an information processing device which stores first software into a first storage medium accessible by a CPU and an embedded controller, and stores second software used for recovering the first software into a second storage medium accessible only by the embedded controller, including: first update means for, in accordance with a comparison result between version information of the first software and version information of the second software, updating the second software using the first software; alteration detection means for detecting presence/absence of an alteration in the first software; and recovery means for, when the alteration detection means detects the presence of the alteration in the first software, recovering the first software using the second software.SELECTED DRAWING: Figure 5
【課題】第1のソフトウェアの復旧に用いる第2のソフトウェアの改ざん防止と、第2のソフトウェアのセキュアなアップデートを両立できるようにする。【解決手段】情報処理装置は、CPUおよび組み込みコントローラがアクセス可能な第1の保存媒体に第1のソフトウェアを保存し、組み込みコントローラのみがアクセス可能な第2の保存媒体に第1のソフトウェアの復旧に用いる第2のソフトウェアを保存する情報処理装置であって、第1のソフトウェアのバージョン情報と第2のソフトウェアのバージョン情報との比較結果に応じて、第1のソフトウェアで第2のソフトウェアをアップデートする第1のアップデート手段と、第1のソフトウェアの改ざんの有無を検知する改ざん検知手段と、改ざん検知手段により第1のソフトウェアの改ざんがあることが検知された場合には、第2のソフトウェアで第1のソフトウェアを復旧する復旧手段とを有する。【選択図】図5 |
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AbstractList | To enable both preventing an alteration of second software to be used for recovering first software, and performing secure update of the second software.SOLUTION: Provided is an information processing device which stores first software into a first storage medium accessible by a CPU and an embedded controller, and stores second software used for recovering the first software into a second storage medium accessible only by the embedded controller, including: first update means for, in accordance with a comparison result between version information of the first software and version information of the second software, updating the second software using the first software; alteration detection means for detecting presence/absence of an alteration in the first software; and recovery means for, when the alteration detection means detects the presence of the alteration in the first software, recovering the first software using the second software.SELECTED DRAWING: Figure 5
【課題】第1のソフトウェアの復旧に用いる第2のソフトウェアの改ざん防止と、第2のソフトウェアのセキュアなアップデートを両立できるようにする。【解決手段】情報処理装置は、CPUおよび組み込みコントローラがアクセス可能な第1の保存媒体に第1のソフトウェアを保存し、組み込みコントローラのみがアクセス可能な第2の保存媒体に第1のソフトウェアの復旧に用いる第2のソフトウェアを保存する情報処理装置であって、第1のソフトウェアのバージョン情報と第2のソフトウェアのバージョン情報との比較結果に応じて、第1のソフトウェアで第2のソフトウェアをアップデートする第1のアップデート手段と、第1のソフトウェアの改ざんの有無を検知する改ざん検知手段と、改ざん検知手段により第1のソフトウェアの改ざんがあることが検知された場合には、第2のソフトウェアで第1のソフトウェアを復旧する復旧手段とを有する。【選択図】図5 |
Author | KAWAZU AYUTA TAGASHIRA NOBUHIRO EGUCHI TAKAMI |
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Title | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM |
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