Information leakage and recovery from multiple LCDs

被引：0
|
作者：
Choi, Dong Hoon [1 ]
Lee, Ho Seong [1 ]
Yook, Jong-Gwan [1 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Seoul, South Korea
来源：
2018 JOINT IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY AND 2018 IEEE ASIA-PACIFIC SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC/APEMC) | 2018年
关键词：
TEMPEST; LCD monitor; imformation leakage; electromagnetic interference (EMI);
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Unintentional electromagnetic waves leak out from a liquid crystal display (LCD) monitor, which is the main output device of a computer. When the leaked signal is recovered, the display information of target monitor can be interpreted. Because leakage electromagnetic waves which include video signal information occur in the hardware system after the video signal processor of the LCD monitor radiation band is dependent on the clock frequency. In this paper, a method to distinguish the leaked information from two target monitors which have different refresh rate is proposed.
引用
收藏
页码：1053 / 1055
页数：3
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