Differential Attack on 22Round SMS4 Block Cipher

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- Differential Attack on 22Round SMS4 Block Cipher
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 49, Issue 2, Pages: 43-47(2010)
- 作者机构：
  
  西安电子科技大学综合业务网国家重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010，
  
  Published Online：25 March 2010，
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ZHANG Meiling, LIU Jingmei, WANG Xinmei. Differential Attack on 22Round SMS4 Block Cipher. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(2):43-47(2010)
DOI：

ZHANG Meiling, LIU Jingmei, WANG Xinmei. Differential Attack on 22Round SMS4 Block Cipher. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(2):43-47(2010) DOI：

SMS4是中国官方公布的第一个商用分组密码标准，使用差分方法分析了18轮的SMS4差分特征，并在此基础上攻击了22-轮的SMS4，攻击过程需要2

117

112

123

SMS4 is a 128bit block cipher used in WAPI

the Chinese WLAN national standard. A new 18round differential characteristic of SMS4 is presented

basing on which the 22round SMS4 is attacked. The attack requires 2117 chosen plaintexts

2112 bytes of memory and 2123 22round encryptions. And the attack is the best differential cryptanalytic result on SMS4.

SMS4差分分析时间复杂度数据复杂度

SMS4differential cryptanalysistime complexitydata complexity

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