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对低轮SAFER++的差分-非线性密码分析 被引量：2

Differential-Nonlinear Cryptanalysis of Reduced-Round SAFER++
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摘要 SAFER + +是进入NESSIE第 2轮评估的 7个分组算法之一 采用差分密码分析和非线性密码分析相结合的方法对 4轮、5轮和 6轮SAFER + +进行分析 ,结果表明 :6轮SAFER + +对这种攻击方法不免疫 ;攻击 4轮和 5轮SAFER + +时 ,与已有结果相比 ,攻击复杂度大大减小 攻击对 2 2 50 个 2 5 SAFER++ is selected for further evaluation in NESSIE second phase. A technique which connects differential cryptanalysis and nonlinear cryptanalysis is used to attack 4,5 and 6 rounds of SAFER++. The results show that 6-round SAFER++ is not immune to this cryptanalysis, and this cryptanalysis is more effective when used to attack 4-round and 5-round SAFER++ than previous analysis.
作者 张文涛 卿斯汉 吴文玲
机构地区 中国科学院软件研究所 中国科学院信息安全技术工程研究中心
出处 《计算机研究与发展》 EI CSCD 北大核心 2003年第6期791-798,共8页 Journal of Computer Research and Development
基金 国家重点基础研究发展规划项目基金 (G19990 35 810 ) 国家自然科学基金 ( 60 0 830 0 7 60 10 30 2 3)
关键词 差分密码分析 非线性密码分析 差分-非线性密码分析 SAFER++ NESSIE differential cryptanalysis nonlinear cryptanalysis differential-nonlinear cryptanalysis SAFER++ NESSIE
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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二级参考文献6

  • 1J L Massey,G H Khachatrian,M Knregian.The SAFER++ Block Encryptioa Algca'itlun [ EB/OL ]. Cylink Corporation, available on.http://www, cryptonessie, org.
  • 2NESSIE Project.Security Evaluation of NESSIE First Phase [EB/OL].available on. http://www, cryptoaessie, org.
  • 3J Nakahara Jr,B Preneel. Joos VandewaUe. Linear Cryptanalysis of Reduced-Round SAFER ++ [EB/OL]. available Qn http://www, cryptonessie, org.
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  • 6B Kaliski Jr, M Robshaw. Linear cryptanalysis using multiple approximations and FEAL [ A ]. In prcceedinss of the 2nd Fast Software Encryption workshop [ C ]. Berlin: Springer- Verlag, 1995.249 - 264.

共引文献2

同被引文献15

  • 1J L Massey.SAFER K-64:A Byte-Oriented Block-Ciphering Algorithm[C].In:R J Anderson ed.Proceedings of Cambridge Security Workshop on Fast Software Encryption,Cambridge,UK,Springer-Verlag, 1993-12-09-11,1994, LNCS 809:1-17.
  • 2J L Massey,G H Khachatrian,M K Kuregian.Nomination of SAFER+ as Candidate Algorithm for the Advanced Encryption Standard[C].ln: 1st AES Candidate Conference,Report prepared by Edward Roback and Morris Dworkin(NIST),1998-08-20-22.
  • 3J L Massey,G H Khachatrian,M K Kuregian.Nomination of SAFER++ as candidate algorithm for the New European Schemes for Signatures, Integrity,and Encryption(NESSIE)[C].In:the First Open NESSIE Workshop, 2000-11.
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  • 5J Nakahara,B Preneel,Vandewalle.Linear Cryptanalysis of Reduced- Round SAFER++[C].In:Second NESSIE Workshop,Royal Holloway, University of London , UK , 2001-09-12-13.
  • 6J Nakahara,B Preneel,J Vandewalle.Impossible Differential Attacks on Reduced-Round SAFER Ciphers[R].COSIC Tech report,2002-09:17.
  • 7G Piret,J J Quisquater.Integral Cryptanalysis on Reduced-Round SAFER++[C].In:Technical Report 2003/033,IACR eprint archive,2003.
  • 8A Biryukov,C De Cannière,G Dellkrantz.Cryptanalysis of SAFER++[C]. In:Dan Boneh ed.Proceedings of 23rd Annual International Cryptology Conference on Advances in Cryptology-CRYPTO 2003,Santa Barbara, California,USA,2003-08-17-21 ,Springer-Verlag,2003,LNCS 2729: 195-211.
  • 9J Massey SAFER K-64:One Year Later[C].In:B Preneel ed.Proceedings of the Second International Workshop on Fast Software Encryption Leuven,Belgium,Springer-Verlag,1995;LNCS 1008:212-241.
  • 10Kocher p. Differential Power Analysis[C]//Proceedings of Advances in Cryptology-CRYPTO'99. [S. l.]: Springer-Verlag, 1999: 388-397.

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计算机研究与发展
2003年 第6期

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