Appraisal of Multiple AES Modes Behavior using Traditional and Enhanced Substitution Boxes
Medhat Mansour1, Wageeda Elsobky2, Ayman Hasan3, Wagdy Anis4
1Medhat Mansour, Department of Communications, University of Ain Shams, Cairo, Egypt.
2Wageeda Elsobky, Department of Mathematics, University of Banha, Cairo, Egypt.
3Ayman Hasan, Department of Communications, University of Banha, Cairo, Egypt.
4Wagdy Anis, Prof. Dr. in Department of Communications, University of Ain Shams, Cairo, Egypt.
Manuscript received on January 02, 2020. | Revised Manuscript received on January 15, 2020. | Manuscript published on January 30, 2020. | PP: 530-539 | Volume-8 Issue-5, January 2020. | Retrieval Number: E6541018520/2020©BEIESP | DOI: 10.35940/ijrte.E6541.018520
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The analysis of performance criteria for different cryptographic algorithms has increasingly been concerned in the last few years and that is because the majority of life applications need cryptographic algorithms to be involved in their structure to provide security for these applications such as banking services, e-government and online applications [1]. In this paper, the analytic study is executed on the most specific popular cryptographic algorithm which is “AES” technique [2][3] in order to research the impact of utilizing different models which are named “modes” on the behavior of “AES” technique and hence increases the cryptographic strength of “AES” technique. The criteria utilized to aid in judging on the influence of modes on the behavior of “AES” technique are enciphering time, throughput and strict avalanche criteria (SAC). Such influence has been clarified and presented through providing comparative analysis among modes of operation according to previously mentioned parameters. First the analytic study is proposed utilizing the traditional substitution box formula in constructing AES technique then an enhanced version of substitution box equation is included in AES technique to provide more complex and securing substitution box in constructing AES algorithm so as to measure the impact of changing the formula of substitution box on the behavior of AES technique and its cryptographic capabilities. Finally, the results of executing the modes on the behavior of AES technique in case of utilizing the traditional sbox and the enhanced version of s-box are listed in terms of the previously mentioned criteria enciphering time, throughput and (SAC) and consequently we come up with the conclusion that SAC parameter is the only criterion that shows the impact of utilizing different modes on the behavior of AES technique but the enciphering time and throughput has no role in showing the influence of utilizing distinctive modes on the behavior of AES technique regardless of changing the substitution box equation utilized in “AES” technique.
Keywords: Cryptographic Algorithms; Advanced Encryption Standard (AES); Modes of Operation; Strict Avalenche Criteria (SAC).
Scope of the Article: Algorithms and Complexity.