| 轻量级分组密码PUFFIN的差分故障攻击 |
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| 引用本文： | 袁庆军,张勋成,高杨,王永娟.轻量级分组密码PUFFIN的差分故障攻击[J].电子与信息学报,2020,42(6):1519-1525. |
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| 作者姓名： | 袁庆军 张勋成 高杨 王永娟 |
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| 作者单位： | 1.战略支援部队信息工程大学 郑州 4500012.河南省网络密码技术重点实验室 郑州 450001 |
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| 基金项目： | 国家自然科学基金(61602512)，河南省网络密码技术重点实验室开放基金(LNCT2019-S02) |
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| 摘 要： | 基于代换–置换网络结构的轻量级分组密码算法PUFFIN在资源受限的硬件环境中使用较广泛，差分故障攻击是针对硬件密码算法较为有效的攻击手段。该文针对PUFFIN算法，改进多比特故障模型，通过构建输出差分和可能输入值之间的关系，注入5次故障即可确定单个S盒唯一输入值；在最后一轮加密过程中注入10次故障，成功恢复轮密钥的概率为78.64%，进而可恢复初始密钥。
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| 关 键 词： | 差分故障攻击 代换–置换网络结构 PUFFIN算法 |
| 收稿时间： | 2019-07-05 |
Differential Fault Attack on the Lightweight Block Cipher PUFFIN |
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| Qingjun YUAN,Xuncheng ZHANG,Yang GAO,Yongjuan WANG.Differential Fault Attack on the Lightweight Block Cipher PUFFIN[J].Journal of Electronics & Information Technology,2020,42(6):1519-1525. |
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| Authors: | Qingjun YUAN Xuncheng ZHANG Yang GAO Yongjuan WANG |
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| Affiliation: | 1.PLA Strategic Support Force Information Engineering University, Zhengzhou 450001, China2.Henan Key Laboratory of Network Cryptography Technology, Zhengzhou 450001, China |
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| Abstract: | The lightweight block cipher algorithm PUFFIN based on substitution-permutation network structure is widely used in resource-constrained hardware environments. Differential fault attack is a more effective attack method for hardware cryptographic algorithms. The multi-bit fault model for PUFFIN algorithm is improved. By constructing the relationship between the output difference and the possible input values, the single input value of a single S-box can be determined by injecting 5 faults. The probability of successfully recovering the round key is 78.64%, and the initial key can be recovered. |
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