A Novel S-box of AES Algorithm Using Variable Mapping Technique
Mohammad, F., Rohiem, A., Elbayoumy, A. (2009). A Novel S-box of AES Algorithm Using Variable Mapping Technique. EKB Journal Management System, 13(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT- 13, May 26 – 28, 2009), 1-10. doi: 10.21608/asat.2009.23494
Faiz Yousif Mohammad; Alaa Eldin Rohiem; Ashraf Diaa Elbayoumy. "A Novel S-box of AES Algorithm Using Variable Mapping Technique". EKB Journal Management System, 13, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT- 13, May 26 – 28, 2009, 2009, 1-10. doi: 10.21608/asat.2009.23494
Mohammad, F., Rohiem, A., Elbayoumy, A. (2009). 'A Novel S-box of AES Algorithm Using Variable Mapping Technique', EKB Journal Management System, 13(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT- 13, May 26 – 28, 2009), pp. 1-10. doi: 10.21608/asat.2009.23494
Mohammad, F., Rohiem, A., Elbayoumy, A. A Novel S-box of AES Algorithm Using Variable Mapping Technique. EKB Journal Management System, 2009; 13(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT- 13, May 26 – 28, 2009): 1-10. doi: 10.21608/asat.2009.23494

A Novel S-box of AES Algorithm Using Variable Mapping Technique

International Conference on Aerospace Sciences and Aviation Technology
Article 18, Volume 13, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT- 13, May 26 – 28, 2009, May 2009, Page 1-10  XML PDF (182.61 K)
Document Type: Original Article
DOI: 10.21608/asat.2009.23494
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Authors
Faiz Yousif Mohammad1; Alaa Eldin Rohiem2; Ashraf Diaa Elbayoumy2
1Sudan Armed Forces.
2Egyptian Armed Forces.
Abstract
The implementation of a wide, complex and varied networks, let the security development has great importance to the communication innovation. The advance encryption standard (AES) algorithm considered to be the leader of this innovation. A large variety of approaches for modifying AES have been appeared so as to satisfy the varying criteria of
different applications [1]. Effort spent on evaluating AES security strength has been very limited, it is significant that the majority of researches at AES dealt with performance evaluation rather than with security evaluation [2]. The design and implementation of S-box are representing a key step in the AES algorithm [3]. So many efforts were emulated to redesign, reconstruct or renew the implementation of the S-boxes. In this paper, AES with Variable Mapping S-box (VMS-AES) is introduced. VMS-AES is a novel AES-like algorithm which uses the key data to generate parameter that used to shift (remapping) the substitution of S-box to another location randomly depend on the initial key and the derived sub keys data. The required modifications are being made for the inverse S-box mapping saving the non-linearity relationship between the S-box and its inverse. VMS-AES allows the change of the system parameters values (number of rounds, key size, chaining mode) then it presents the effects of these changes upon the security and Quality of service (QoS) which
is the main objective of the recent work that evaluated the voice over IP (VoIP) security algorithms [4].
Keywords
AES; Cryptography; StsGui; Avalanche effect; Key dependent S-box
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