PROBLEM TO BE SOLVED: To safely gather logs of an on-vehicle computer such as an ECU.SOLUTION: A data safety device generates a message authentication code by using its signature key for a log of a vehicle as an object, and transmits a log with the message authentication code to a vehicle information gathering device. The vehicle information gathering device generates a signature key of the data safety device, verifies the message authentication code of the log with the message authentication code received from the data safety device with the generated signature key of the data safety device, and stores a log that has passed the verification of the message authentication code in a storage unit.SELECTED DRAWING: Figure 5

    【課題】ECU等の車載コンピュータのログを安全に収集することを図る。【解決手段】データ保安装置は、前記車両のログを対象に自己の署名鍵を使用してメッセージ認証符号を生成し、メッセージ認証符号付きログを車両情報収集装置に送信し、車両情報収集装置は、データ保安装置の署名鍵を生成し、データ保安装置から受信したメッセージ認証符号付きログのメッセージ認証符号を、該生成したデータ保安装置の署名鍵を使用して検証し、メッセージ認証符号の検証が合格したログを記憶部に格納する。【選択図】図5


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    Title :

    VEHICLE INFORMATION GATHERING SYSTEM, DATA SAFETY DEVICE, VEHICLE INFORMATION GATHERING DEVICE, VEHICLE INFORMATION GATHERING METHOD, AND COMPUTER PROGRAM


    Additional title:

    車両情報収集システム、データ保安装置、車両情報収集装置、車両情報収集方法、及びコンピュータプログラム


    Contributors:

    Publication date :

    2018-04-05


    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 / 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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