| 轻量级分组密码算法MIBS不可能差分分析 |
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| 引用本文： | 杜承航,陈佳哲.轻量级分组密码算法MIBS不可能差分分析[J].山东大学学报(理学版),2012,47(7):55-58,69. |
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| 作者姓名： | 杜承航 陈佳哲 |
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| 作者单位： | 山东大学数学学院,山东济南250100 山东大学密码技术与信息安全教育部重点实验室,山东济南250100 |
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| 基金项目： | 国家自然科学基金资助项目(60931160442);山东大学研究生自主创新基金资助项目(11140070613183) |
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| 摘 要： | 轻量级分组密码算法适用于RFID等计算资源严格受限的环境。指出之前Asli Bay等人不可能差分分析结果的错误,并提出新的不可能差分分析。提出对约减至12轮的MIBS算法的攻击,此攻击需259选择明文和263次加密运算。
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| 关 键 词： | 轻量级分组密码 MIBS 不可能差分分析 |
Impossible differential cryptanalysis of reduced-round MIBS |
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| DU Cheng-hang,CHEN Jia-zhe.Impossible differential cryptanalysis of reduced-round MIBS[J].Journal of Shandong University,2012,47(7):55-58,69. |
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| Authors: | DU Cheng-hang CHEN Jia-zhe |
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| Institution: | 1,2(1.School of Mathematics,Shandong University,Jinan 250100,Shandong,China; 2.Key Laboratory of Cryptologic Technology and Information Security,Ministry of Education, Shandong University,Jinan 250100,Shandong,China) |
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| Abstract: | MIBS is suitable for extremely constrained environments,such as RFID tags.Based on the analysis of the flaw in Asli Bay’s work,a new impossible differential cryptanalysis is proposed.The attack of MIBS reduced to 12 rounds needs 259chosen plaintexts and 263encryptions. |
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| Keywords: | lightweight block cipher MIBS impossible differential cryptanalysis |
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