密码算法侧信道攻击技术发展研究

Research on the Development of the Side-Channel Attack Technology of Cryptographic Algorithms

侧信道攻击技术利用密码设备运行过程中泄露的时间、功耗、电磁等侧信息,实现了对密码算法实现方式上的攻击,对各类密码设备的安全性构成了严重的威胁。该文首先从技术原理、发展进程、常用方法等方面阐述了侧信道攻击技术的发展概况,其次分析了现有攻击技术存在的典型问题,并在此基础上研判了当前攻击技术的发展趋势,最后总结了全文。

Side-channel attack technology utilizes side-information such as leakage time,power consumption and electromagnetism during the operation of cryptographic devices to attack the implementation methods of crypto‐graphic algorithms,which poses a serious threat to the security of various types of cryptographic devices.This article first expounds the development of side-channel attack technology from the aspects of technical principles,develop‐ment process and common methods,then analyzes the typical problems existing in current attack technology,studies and judges the development trend of current attack technology based on this,and finally summarizes the full article.