Results 131 to 140 of about 215 (162)
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Improved Impossible Differential Cryptanalysis of SMS4
2012 Eighth International Conference on Computational Intelligence and Security, 2012The SMS4 is the first commercial block cipher published by Chinese government. It's a 32-round block cipher encrypted by 128-bit keys. By analyzing the changes of the difference between input and output pairs in each round, this paper presents a new impossible differential path of the 14- round SMS4.
Tao Shi, Wei Wang, Qiuliang Xu
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Integral and Impossible Differential Cryptanalysis of RC6
2018The block cipher RC6 is one of the finalists of the five candidates of AES for its security, simplicity and easy soft-hardware implementation. In view of its importance, the resistance of RC6 against integral cryptanalysis and impossible differential cryptanalysis is evaluated in this paper.
Hongguo Zhu, Xin Hai, Jiuchuan Lin
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Impossible Differential Cryptanalysis on Tweaked E2
2012E2, a 128-bit block cipher, is an AES candidate designed and submitted by NTT corporation. It employs a Feistel structure as global structure and 2-layer Substitution-Permutation Network structure in round function. The conservative structure makes E2 immune to kinds of current cryptanalysis.
Yuechuan Wei +3 more
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Impossible Differential Cryptanalysis on Deoxys-BC-256.
IACR Cryptol. ePrint Arch., 2018Deoxys is a final-round candidate of the CAESAR competition. Deoxys is built upon an internal tweakable block cipher Deoxys-BC, where in addition to the plaintext and key, it takes an extra non-secret input called a tweak. This paper presents the first impossible differential cryptanalysis of Deoxys-BC-256 which is used in Deoxys as an internal ...
Farokhlagha Moazami +2 more
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Improved Impossible Differential Cryptanalysis of Rijndael and Crypton
2002Impossible differential attacks against Rijndael and Crypton have been proposed up to 5-round. In this paper we expand the impossible differential attacks to 6-round. Although we use the same 4-round impossible differential as in five round attacks, we put this impossible differential in the middle of 6-round. That is, we will consider one round before
Cheon, JH Jung Hee Cheon +4 more
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Improved impossible differential and biclique cryptanalysis of HIGHT
International Journal of Communication Systems, 2017SummaryHIGHT is a lightweight block cipher introduced in CHES 2006 by Hong et al as a block cipher suitable for low‐resource applications. In this paper, we propose improved impossible differential and biclique attacks on HIGHT block cipher both exploiting the permutation‐based property of the cipher's key schedule algorithm as well as its low ...
Seyyed Arash Azimi +4 more
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Cryptanalysis of Midori128 Using Impossible Differential Techniques
2016The Midori family of light weight block cipher is presented in ASIACRYPT2015. It is uses a SPN structure and has two versions: Midori64 and Midori128. In this paper we use a 6-round impossible differential path and present 10-round impossible differential attack on Midori128. We exploit the properties of S-boxes to aid our attack.
Zhan Chen +2 more
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Impossible Differential-Algebraic Cryptanalysis of Serpent
2009 International Conference on Multimedia Information Networking and Security, 2009Serpent is an SP Network block cipher submitted to the AES competition and chosen as one of its five finalists. The security of Serpent is widely acknowledged, especially as the best known attack so far is a differential-linear attack on only 11 rounds out of the 32 rounds of the cipher.
Zhihua Hu, Zhongping Qin, Haiqing Han
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Impossible differential cryptanalysis of FBC-128
Journal of Information Security and Applications, 2022Yi Zhang +3 more
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Impossible Differential Cryptanalysis of Reduced-Round SKINNY
2017SKINNY is a new lightweight tweakable block cipher family proposed by Beierle et al. at CRYPTO 2016. SKINNY has 6 main variants where SKINNY-n-t is a block cipher that operates on n-bit blocks using t-bit tweakey (key and tweak) where \(n=64\) or 128 and \(t=n\), 2n, or 3n. In this paper, we present impossible differential attacks against reduced-round
Mohamed Tolba +2 more
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