分组密码Cache攻击技术研究  

Cache Attacks on Block Ciphers

作　　者：赵新杰[1] 王韬[1] 郭世泽[2] 刘会英[1] 

机构地区：[1]军械工程学院计算机工程系,石家庄050003 [2]北方电子设备研究所,北京100083

出　　处：《计算机研究与发展》2012年第3期453-468,共16页Journal of Computer Research and Development

基　　金：国家自然科学基金项目(60772082;61173191);河北省自然科学基金项目(08M010)

摘　　要：近年来,Cache攻击已成为微处理器上分组密码实现的最大安全威胁,相关研究是密码旁路攻击的热点问题.对分组密码Cache攻击进行了综述.阐述了Cache工作原理及Cache命中与失效旁路信息差异,分析了分组密码查表Cache访问特征及泄露信息,从攻击模型、分析方法、研究进展3个方面评述了典型的分组密码Cache攻击技术,并对Cache攻击的发展特点进行了总结,最后指出了该领域研究存在的问题,展望了未来的研究方向.In recent years,cache attack has become one of the most threatening attacks to block ciphers that implemented on microprocessors.The research in this area is a hot spot of cryptographic side channel attacks.This paper summarizes the cache attacks on block ciphers.The mechanism of cache and the side channel information difference of cache hit miss are described.The characteristics of cache accesses and corresponding information leakages are analyzed.Several typical cache attack techniques on block ciphers are well discussed from the aspects of attack model,analysis method,research progress.Finally,the features of cache attacks are summarized,the current research pitfalls are provided,and the future directions of cache attacks are given.

关 键 词：微处理器 分组密码 Cache攻击 旁路攻击 查找S盒 物理安全性 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]