some new observations on the sms4 block cipher in the chinese wapi standard
文献类型：会议论文
| 作者 | Zhang Wentao ; Wu Wenling ; Feng Dengguo ; Su Bozhan |
| 出版日期 | 2009 |
| 会议名称 | 5th International Conference on Information Security Practice and Experience |
| 会议日期 | APR 13-15, |
| 会议地点 | Xi an, PEOPLES R CHINA |
| 关键词 | WAPI Block Cipher SMS4 Diffusion Transformation Differential Cryptanalysis |
| 页码 | 324-335 |
| 英文摘要 | SMS4 is a 128-bit block cipher used in the WAPI standard in wireless networks in China. The cipher has attracted much attention in the past two years. This paper consists of two parts. The first part is on the design of the linear diffusion layer L of SMS4. Some new observations on L are present, which open out the design rationales of L and such class functions to a great extent. The second part is on the differential attack against SMS4. A class of 18-round differential characteristics with a higher probability is given. Then a simple differential attack on 22-round SMS4 is present, which is an improvement of the previous work, thus our attack becomes the best known one on SMS4. Furthermore, we make a remark on the construction of differential characteristics of SMS4. |
| 收录类别 | ISTP,EI,ACM |
| 会议主办者 | Xidian Univ, Xidian Univ, Sch Telecommun Engn, Key Lab Comp Networks & Informat Security, Minist Educ |
| 会议录 | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
 |
| 会议录出版者 | INFORMATION SECURITY PRACTICE AND EXPERIENCE, PROCEEDINGS - 5TH INTERNATIONAL CONFERENCE, ISPEC 2009 |
| 会议录出版地 | HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY |
| 语种 | 英语 |
| ISSN号 | 0302-9743 |
| ISBN号 | 978-3-642-00842-9 |
| 源URL | [http://124.16.136.157/handle/311060/8386]  |
| 专题 | 软件研究所_信息安全国家重点实验室_会议论文 |
| 推荐引用方式 GB/T 7714 | Zhang Wentao,Wu Wenling,Feng Dengguo,et al. some new observations on the sms4 block cipher in the chinese wapi standard[C]. 见:5th International Conference on Information Security Practice and Experience. Xi an, PEOPLES R CHINA. APR 13-15,. |
入库方式： OAI收割
来源：软件研究所
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