Technology of Information Security
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App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 1
230-234,238

Meet-in-the-middle attacks on 10-round Midori 128

Liu Ya1a,1b,2
Diao Qianqian1a,3
Li Wei4,5
Liu Zhiqiang2
1. a. School of Optical-Electrical & Computer Engineering, b. Engineering Research Center of Optical Instrument & System for Ministry of Education, Shanghai Key Lab of Modern Optical System, University of Shanghai for Science & Technology, Shanghai 200093, China
2. Dept. of Computer Science & Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
3. Shanghai Viewsource Information Science & Technology Co, Ltd, Shanghai 200240, China
4. School of Computer Science & Technology, Donghua University, Shanghai 201620, China
5. Shanghai Key Laboratory of Integrate Administration Security, Shanghai 200240, China
DOI: 10.19734/j.issn.1001-3695.2017.07.0701

Abstract

The lightweight block ciphers could be widely used in various applications, such as smart cities, internet of things and cloud computation and so on, in order to protect data and information secure. Midori was a lightweight block cipher proposed in ASIACRYPT 2015. Its block size had two scenarios, i. e, 64 bit and 128 bit, denoted by Midori 64 and Midori 128 respectively. Up to now, there were no results about meet-in-the-middle attacks on Midori 128. This paper developed a meet-in-the-middle attack on 10-round Midori 128 for the first time. Specifically, studying the basic construction and key schedule of Midori 128, this paper constructed a 7-round distinguisher on Midori 128 by using the differential enumeration and key-dependent sieve techniques. Through appending one round at its top and two rounds at its bottom, this paper mounted a meet-in-the-middle attack on 10-round Midori 128. In the attack, time-memory tradeoff technique and some weak subkeys were considered so as to reduce the time complexity of online phase. Finally, the data, time and memory complexities of our attack are 2125 chosen plaintexts, 2126.5 10-round encryptions and 2105 128-bit blocks, respectively.

Foundation Support

国家自然科学基金资助项目(61402288,61772129,61672347)
“十三五”密码发展基金理论课题(MMJJ20180202)
信息保障技术重点实验室开放基金(KJ-17-008)
闵行区产学研合作计划项目(2016MH310)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.07.0701
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 1
Section: Technology of Information Security
Pages: 230-234,238
Serial Number: 1001-3695(2019)01-053-0230-05

Publish History

[2019-01-05] Printed Article

Cite This Article

刘亚, 刁倩倩, 李玮, 等. 10轮Midori 128的中间相遇攻击 [J]. 计算机应用研究, 2019, 36 (1): 230-234,238. (Liu Ya, Diao Qianqian, Li Wei, et al. Meet-in-the-middle attacks on 10-round Midori 128 [J]. Application Research of Computers, 2019, 36 (1): 230-234,238. )

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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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