Countermeasure for electromagnetic screen image leakage based on color mixing in human brain
Countermeasure for electromagnetic screen image leakage based on color mixing in human brain
复制标题
基于人脑混色的电磁屏图像泄露对策
DOI：
10.1109/isemc.2010.5711260
复制
发表时间：
2010
期刊：
影响因子：
--
通讯作者：
H. Sako
中科院分区：
文献类型：
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作者：
Takashi Watanabe;Hiroto Nagayoshi;Takehiro Urano;Toshiro Uemura;H. Sako
自Van Eck的论文发表以来，显示单元屏幕图像泄露的安全问题引起了安全研究人员的广泛兴趣。货车。至于工业方面，这个问题被认为是一个安全风险;特别是对于在敏感的业务领域，即银行，数据中心使用的计算机。为了解决这个问题，降低发射信号的S/N比是重要的。因此，已经研究了信号减少和噪声产生方法作为对策。我们提出了一种方法，施加噪声上显示的屏幕图像，同时保持图像的质量。这是通过利用被称为“加色混合”的人类特征来实现的，当眼睛连续暴露于快速变化的颜色时，会发生这种情况。通过在一个普通计算机系统中的硬件和软件上实现该方法，我们证实了我们的方法作为电磁屏图像泄漏对策的有效性。
The security problem of screen image leakage from a display unit has received wide interest of security researchers since the Van Eck's paper. As for the industry side, the problem is considered a security risk; especially for the computers that are used in the sensitive business fields, i.e. banking, data center. To solve this problem, reduction of the emanating signals' S/N ratio is important. Therefore, signal reduction and noise generation methods have been investigated as countermeasure. We present a method that imposes noise on displayed screen images, while keeping the quality of the image. This is realized by utilizing the human characteristic that is known as “Additive color mixing”, which occurs when the eyes are continuously exposed to quickly changing colors. By implementing this method on hardware and software in an ordinary computer system, we confirmed the effectiveness of our method as a countermeasure for the electromagnetic screen image leakage.