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ISSN:
1796-2021 (Online); 2374-4367 (Print)
Abbreviated Title:
J. Commun.
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Monthly
DOI:
10.12720/jcm
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Editor-in-Chief
Prof. Maode Ma
College of Engineering, Qatar University, Doha, Qatar
I'm very happy and honored to take on the position of editor-in-chief of JCM, which is a high-quality journal with potential and I'll try my every effort to bring JCM to a next level...
[Read More]
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2024-08-20
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Home
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2020
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Volume 15, No. 12, December 2020
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Enhancing Hierocrypt-3 Performance by Modifying Its S-Box and Modes of Operations
Wageda I. El Sobky
1
, Ahmed R. Mahmoud
1
, Ashraf S. Mohra
1
, and T. El-Garf
2
1. Benha Faculty of Engineering, Benha University, Egypt
2. Higher Technological Institute 10th Ramadan, Egypt
Abstract
—Human relationships rely on trust, which is the reason that the authentication and related digital signatures are the most complex and confusing areas of cryptography. The Massage Authentication Codes (MACs) could be built from cryptographic hash functions or block cipher modes of operations. Substitution-Box (S-Box) is the unique nonlinear operation in block ciphers, and it determines the cipher performance. The stronger S-Box, the stronger and more secure the algorithm. This paper focuses on the security considerations for MACs using block cipher modes of operations with the Hierocrypt-3 block cipher. the Hierocrypt-3 could be considered as a week cipher. It could be enhanced by changing its S-Box with a new one that has better performance against algebraic attack with using different modes of operations. The mathematical model for the new S-Boxes with its properties is provided. The result of this change appeared in the mirror of Average Strict Avalanche Criterion (SAC) and some other properties. SAC could be improved from 0.80469 to 0.16406. The Hierocrypt-3 could be enhanced for more security.
Index Terms
—Hierocrypt, S-Box, Security, block cipher, Cryptography, MACs, COVID-19
Cite: Wageda I. El Sobky, Ahmed R. Mahmoud, Ashraf S. Mohra, and T. El-Garf, "Enhancing Hierocrypt-3 Performance by Modifying Its S-Box and Modes of Operations," Journal of Communications vol. 15, no. 12, 905-912, December 2020. Doi: 10.12720/jcm.15.12.905-912
Copyright © 2020 by the authors. This is an open access article distributed under the Creative Commons Attribution License (
CC BY-NC-ND 4.0
), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.
6-JCM170627
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