轻量级分组密码LED旁路立方攻击研究
对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究。提出一种基于贪心策略的小立方体搜索方法，利用该方法确定了单比特泄露模型和汉明重泄露模型的泄露位；基于两种模型对LED密码进行旁路立方攻击，并对其攻击结果进行比较。仿真结果表明，基于单比特模型进行立方攻击，可将密钥搜索空间降低到2^8～2^11；基于汉明重模型，对第2、3轮的攻击可分别将密钥搜索空间降低到2^48、2^23。对两种模型比较发现，汉明重模型的多项式次数更高，立方大小分布更加集中。...
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| Published in | 计算机应用研究 Vol. 34; no. 10; pp. 3104 - 3108 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
军械工程学院信息工程系,石家庄,050003
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-3695 |
| DOI | 10.3969/j.issn.1001-3695.2017.10.049 |
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| Abstract | 对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究。提出一种基于贪心策略的小立方体搜索方法，利用该方法确定了单比特泄露模型和汉明重泄露模型的泄露位；基于两种模型对LED密码进行旁路立方攻击，并对其攻击结果进行比较。仿真结果表明，基于单比特模型进行立方攻击，可将密钥搜索空间降低到2^8～2^11；基于汉明重模型，对第2、3轮的攻击可分别将密钥搜索空间降低到2^48、2^23。对两种模型比较发现，汉明重模型的多项式次数更高，立方大小分布更加集中。 |
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| AbstractList | 对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究。提出一种基于贪心策略的小立方体搜索方法，利用该方法确定了单比特泄露模型和汉明重泄露模型的泄露位；基于两种模型对LED密码进行旁路立方攻击，并对其攻击结果进行比较。仿真结果表明，基于单比特模型进行立方攻击，可将密钥搜索空间降低到2^8～2^11；基于汉明重模型，对第2、3轮的攻击可分别将密钥搜索空间降低到2^48、2^23。对两种模型比较发现，汉明重模型的多项式次数更高，立方大小分布更加集中。 TP309.7; 对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究.提出一种基于贪心策略的小立方体搜索方法,利用该方法确定了单比特泄露模型和汉明重泄露模型的泄露位;基于两种模型对LED密码进行旁路立方攻击,并对其攻击结果进行比较.仿真结果表明,基于单比特模型进行立方攻击,可将密钥搜索空间降低到28～ 211;基于汉明重模型,对第2、3轮的攻击可分别将密钥搜索空间降低到248、223.对两种模型比较发现,汉明重模型的多项式次数更高,立方大小分布更加集中. |
| Abstract_FL | This paper gave side-channel cube attacks on LED,which was a light-weight block cipher proposed in CHES 2011.It proposed a method of searching small cubes based on the greedy strategy.The method had determined the best leakage of single-bit leakage model and Hamming-weight based leakage model It applied side-channel cube attacks on LED using two models and then compared the results of them.Simulation results show that the analyses based on single-bit leakage model can reduce the key search space to 28 ～ 2".Based on the other model,attackers can reduce the key search space on round 2 to 248 and that on round 3 to 223.The comparison indicates that the Hamming-weight based leakage model's degree is higher and its cube sizes are more concentrated. |
| Author | 马云飞 王韬 陈浩 雷东 |
| AuthorAffiliation | 军械工程学院信息工程系,石家庄050003 |
| AuthorAffiliation_xml | – name: 军械工程学院信息工程系,石家庄,050003 |
| Author_FL | Chen Hao Lei Dong Ma Yunfei Wang Tao |
| Author_FL_xml | – sequence: 1 fullname: Ma Yunfei – sequence: 2 fullname: Wang Tao – sequence: 3 fullname: Chen Hao – sequence: 4 fullname: Lei Dong |
| Author_xml | – sequence: 1 fullname: 马云飞 王韬 陈浩 雷东 |
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| ClassificationCodes | TP309.7 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Side-channel cube attacks on lightweight block cipher LED |
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| Keywords | cube attack 立方攻击 side-channel leakage 汉明重泄露模型 Hamming-weight based leakage model 单比特泄露模型 旁路泄露 single-bit leakage model |
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| Notes | 51-1196/TP cube attack; side-channel leakage; single-bit leakage model; Hamming-weight based leakage model This paper gave side-channel cube attacks on LED,which was a light-weight block cipher proposed in CHES 2011. It proposed a method of searching small cubes based on the greedy strategy. The method had determined the best leakage of sin- gle-bit leakage model and Hamming-weight based leakage model. It applied side-channel cube attacks on LED using two models and then compared the results of them. Simulation results show that the analyses based on single-bit leakage model can reduce the key search space to 2^8-2^11. Based on the other model, attackers can reduce the key search space on round 2 to 2^48 and that on round 3 to 2^23. The comparison indicates that the Hamming-weight based leakage model＇ s degree is higher and its cube sizes are more concentrated. Ma Yunfei, Wang Tao, Chen Hao, Lei Dong （Dept. of lnformation Engineering, Ordnance Engineering College, Shijiazhuang 050003, China） |
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| Snippet | 对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究。提出一种基于贪心策略的小立方体搜索方法，利用该方法确定了单比特泄露模型和汉明重泄露模型的泄露位；基... TP309.7; 对CHES 2011会议上提出的轻量级分组密码LED进行旁路立方攻击研究.提出一种基于贪心策略的小立方体搜索方法,利用该方法确定了单比特泄露模型和汉明重泄露模型的泄... |
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| SubjectTerms | 单比特泄露模型 旁路泄露 汉明重泄露模型 立方攻击 |
| Title | 轻量级分组密码LED旁路立方攻击研究 |
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