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    • 10. 发明申请
    • SOFTWARE UPDATE MECHANISM FOR SAFETY CRITICAL SYSTEMS
    • 安全关键系统的软件更新机制
    • WO2018078406A1
    • 2018-05-03
    • PCT/IB2016/001560
    • 2016-10-31
    • HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
    • BUJAN, Eduardo
    • G06F9/445B60R16/02G06F21/64
    • A software update monitor is provided which is configured to receive a software update intended for a safety critical control unit. The software update monitor determines a first verification code based on the received software update from a software update component and independently receives a second verification code associated with the software update from an update server. Next, it determines if the first verification code matches with the second verification code. In case the two codes match, the software update monitor effects the software update at the control unit. According to one embodiment, the software update monitor is configured to write the software update into a target memory location in a memory of the control unit. The software update monitor is further configured to enable switching from a previous memory location, where an older software version may be running, to the target memory location, where the new software update is written, only if the first and the second verification codes match.
    • 提供软件更新监视器,其被配置为接收用于安全关键控制单元的软件更新。 软件更新监视器基于从软件更新组件接收到的软件更新来确定第一验证码,并且独立地从更新服务器接收与软件更新相关联的第二验证码。 接下来,确定第一验证码是否与第二验证码匹配。 如果这两个代码匹配,则软件更新监视器会在控制单元上执行软件更新。 根据一个实施例,软件更新监视器被配置为将软件更新写入控制单元的存储器中的目标存储器位置。 软件更新监视器进一步被配置为仅当第一和第二验证码匹配时才允许从旧版软件版本可能正在运行的先前存储器位置切换到写入新软件更新的目标存储器位置。