PROBLEM TO BE SOLVED: To reduce, when updating a computer program of a computer such as an ECU, the load caused by verification using a common key of the computer.SOLUTION: A software distribution processing unit 2: stores a verification key for a digital signature of a software update data and a common key of an ECU 30; verifies the digital signature of the update data received from a management server 70 by using the verification key; provides the digital signature to the update data, for which the digital signature verification was successfully performed, by using the common key of the ECU 30; and transmits the update data provided with the digital signature by using the common key of the ECU 30 to the ECU 30.SELECTED DRAWING: Figure 1

    【課題】ECU等のコンピュータのコンピュータプログラムの更新の際にコンピュータの共通鍵で検証することによる負担を軽減すること。【解決手段】ソフトウェア配布処理装置2は、ソフトウェアの更新データの電子署名の検証鍵とECU30の共通鍵を記憶し、管理サーバ装置70から受信した更新データの電子署名を、検証鍵を使用して検証し、電子署名の検証が成功した更新データに対してECU30の共通鍵を使用して電子署名を施し、ECU30の共通鍵を使用して電子署名が施された更新データをECU30へ送信する。【選択図】図1


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    Title :

    SOFTWARE DISTRIBUTION PROCESSING UNIT, VEHICLE, SOFTWARE DISTRIBUTION PROCESSING METHOD AND COMPUTER PROGRAM


    Additional title:

    ソフトウェア配布処理装置、車両、ソフトウェア配布処理方法及びコンピュータプログラム


    Contributors:

    Publication date :

    2017-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G09C Ver- oder Entschlüsselungsgeräte für Geheimschrift oder andere Zwecke, bei denen Geheimhaltung erforderlich ist , CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY



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