Evolutionary ciphers against differential power analysis and differential fault analysis

查看全文 作　　者：TANG [1,2]Ming;QIU [2]ZhenLong;YANG [3]Min;CHENG [2]PingPan;GAO [2]Si;LIU [1,2]ShuBo;MENG [2]QinShu

机构地区：[1]State Key Lab.of AIS&TC,Ministry of Education,Wuhan University,Wuhan 430072,China;[2]School of Computers,Wuhan University,Wuhan 430072,China;[3]International School of Software,Wuhan University,Wuhan 430072,China

出　　处：《Science China(Information Sciences)》索引2012年第55卷第11期,共15页

摘　　要：Side channel analysis(SCA) focuses on attacking cryptographic algorithm implementations by collecting leaked information and analyzing the correlation between the leaked and key information in the cryptographic system.Currently,SCA is the main threat to cryptographic implementations,with DPA(differential power analysis) and DFA(differential fault analysis) being two of the most threatening types of SCA.However,the existing countermeasures against DPA and DFA have shortcomings and can hardly protect cipher designs perfectly.Based on a comprehensive analysis of DPA and DFA,this paper proposes a new idea of using an evolutionary cipher(EVOC) against DPAs based on the model proposed by Kocher,and several different new types of DFAs.In fact,an EVOC is a kind of dynamic cipher designing method.Moreover,combined with intelligent searching algorithms and cryptography design policies,EVOCs utilize the dynamic and unpredictable properties of TRNG(a truly random number generator) to ensure cipher design at a high level of security.Therefore,with an EVOC we could design cryptography algorithms with high security to resist mathematical analysis as well as DPAs and DFAs.This paper analyzes and proves the security,efficiency,cost,and original features of EVOCs against DPA and DFA both theoretically and experimentally.Compared with existing countermeasures against SCAs,EVOCs use dynamic non-linear operations to destroy the bases of DPA and DFA.At the algorithm level,EVOCs are more efficient than other resistance methods.Based on the theory and experiments,this paper proposes certain modifications to the EVOC in the AES(advanced encryption standard) algorithm,which can be referenced by other dynamic designs of cryptographic algorithms. 关键词：差分功耗分析故障分析演化密码真随机数发生器加密算法设计方法智能搜索算法实验基础

相关文献

参考文献（28）
引证文献（5）
耦合文献（56）

参考文献(28)

引证文献(5)

耦合文献(56)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Evolutionary ciphers against differential power analysis and differential fault analysis

参考文献(28)

引证文献(5)

耦合文献(56)

用户提示