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自动驾驶汽车网络安全问题 – 在路上

由  ON Semiconductor 发布  - 10-15-2019 

自动驾驶需要严格的网络安全措施到位,以确保驾驶员、乘客和周围对象的安全。想象一下,如果有人能轻易地入侵您的汽车图像传感器并控制您的车辆,那将是多么可怕。因此,必须确保自动驾驶技术的安全,使其能够在强固的网络安全基础设施内不出现故障或错误。为证明我们的方案是100%准确的,我们的工程师专家团队把我们的图像传感器通过实际的上路测试。

视频的完整文本

您好,我是Giri Venkat,在安森美半导体智能感知部汽车感知分部工作。我们了解汽车行业设计工程师的工作有多艰巨。我们了解成像应用需在具有挑战性的条件下执行,且必须在 100%的时间运行。因此,我们对我们的图像传感器进行真实世界的严格测试,使您可信赖我们的产品。

安全措施

自动驾驶需要严格的网络安全措施到位,以确保驾驶员、乘客和周围对象的安全。这里我们从自动驾驶汽车的角度看看。视频来自安装在汽车周围的图像传感器,提供360度环视。但如果这些图像传感器视频被黑客入侵会怎样?至关重要的是,您的自动驾驶应用程序不能理解这些攻击。

篡改情况

在我们刚才看到的篡改场景中,攻击者试图用错误的串流替换有效视频以控制车辆,这可能会给车辆内外的所有人带来致命的后果。攻击可能涉及全部或部分帧,误导车辆作出不良决策。这通常涉及攻击者替换输出流中的视频数据包。除了数据更改,重播攻击也是一种篡改形式。

服务攻击

在拒绝服务攻击中,攻击者试图破坏传感器的运行,并拒绝主机访问成像服务。这可能包括从信号断开到模糊镜头的各种攻击。损坏设备的电气攻击和试图使传感器脱机的控制攻击也属于此类威胁。

抵赖攻击

在抵赖攻击中,攻击者试图攻击视频的格式、标识和/或数据结构来使视频数据无效,从而导致数据无效或导致接收者忽略或丢弃数据。协议攻击、随机干扰和直接信号操纵都属于此类威胁。

窃听攻击

在窃听攻击中,攻击者会出于恶意目的尝试读取和/或复制视频或其他数据。窥探控制和数据总线使攻击者可以自由访问数据。攻击者可能出于许多恶意目的使用此数据。

欺骗攻击

在欺骗攻击中,攻击者可以访问安全数据,包括会话密钥和/或加密和身份验证密钥,以伪装成图像传感器。此场景假设传感器实现了攻击者试图破坏的某种级别的安全性。主要方法包括析取传感器密钥,并使用这些密钥使主机相信它与已知的、可信的传感器交互。

总结

并非所有导致损坏或故障的原因都是自然的。在我们日益联接的世界中,我们将恶意代理标记为黑客。因此,要解决这些恶意代理的问题,有赖于强固的网络安全基础设施。

我们在与客户相同的场景和条件下对传感器进行测试,确保它们不但能在实验室中,而且能在实际世界中正常工作。

了解有关我们汽车智能传感器的更多信息,和如何将其用于您的设计。

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