Improvement of Rotational Cryptanalysis of Shabal and Cubehash Hash Functions

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Aboei Mehrizi M.; ALIZADEH J.

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Paper Information

Journal: JOURNAL OF ELECTRONIC AND CYBER DEFENCE Year:2021 | Volume:9 | Issue:1 (33) Page(s): 91-100

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Information Journal Paper

Title

Improvement of Rotational Cryptanalysis of Shabal and Cubehash Hash Functions

Author(s)

Aboei Mehrizi M. | ALIZADEH J. | Issue Writer Certificate

Keywords

Hash FunctionQ1

Rotational CryptanalysisQ1

Modular AdditionQ1

Markov ChainingQ1

Abstract

A cryptographic Hash Function maps an arbitrary length input to a fixed length output. These functions are used in many cryptographic applications such as digital signatures. They must be secure against collision, preimage and 2-preimage attacks. Rotational Cryptanalysis is an approach to the analysis of ARX ciphers. The Hash Functions Shabal and Cubehash, which are two candidates of the second round of the SHA-3 competition, have an ARX structure. They have been analyzed with respect to Rotational Cryptanalysis by Tabatabaei et al. In this paper we consider their analysis and present some observations. Our observations show that the results of Tabatabaei et al. ’ s cryptanalysis are not accurate. Then we present some new results about Rotational Cryptanalysis of Shabal and Cubehash. Thereafter we present some new results and show that Rotational Cryptanalysis is effective on a smaller number of rounds on Shabal and Cubehash Hash Functions.

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APA: Copy

Aboei Mehrizi, M., & ALIZADEH, J.. (2021). Improvement of Rotational Cryptanalysis of Shabal and Cubehash Hash Functions. JOURNAL OF ELECTRONIC AND CYBER DEFENCE, 9(1 (33) ), 91-100. SID. https://sid.ir/paper/386770/en

Vancouver: Copy

Aboei Mehrizi M., ALIZADEH J.. Improvement of Rotational Cryptanalysis of Shabal and Cubehash Hash Functions. JOURNAL OF ELECTRONIC AND CYBER DEFENCE[Internet]. 2021;9(1 (33) ):91-100. Available from: https://sid.ir/paper/386770/en

IEEE: Copy

M. Aboei Mehrizi, and J. ALIZADEH, “Improvement of Rotational Cryptanalysis of Shabal and Cubehash Hash Functions,” JOURNAL OF ELECTRONIC AND CYBER DEFENCE, vol. 9, no. 1 (33) , pp. 91–100, 2021, [Online]. Available: https://sid.ir/paper/386770/en

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