Symmetric Encryption Algorithm Inspired by Randomness and Non-Linearity of Immune Systems

Ariffin, Suriyani; Mahmod, Ramlan; Jaafar, Azmi; Ariffin, Muhammad Rezal Kamel

doi:10.4018/jncr.2012010105

Cited by 8 publications

(2 citation statements)

References 33 publications

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“…(1) Decryption time is the time taken to transform the SMS cipherext into plaintext [11]. For each key size of same algorithm, random SMS message of different bit sizes was decrypted.…”

Section: Resultsmentioning

confidence: 99%

Development of a Secure SMS Application using Advanced Encryption Standard (AES) on Android Platform

Riaz¹,

Ikram²

2018

IJMSC

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When we live in a global village, then maintaining privacy and confidentiality becomes reasonably challenging. Short Message Service (SMS) is the oldest application for exchanging messages between communicating parties in cellular network used by mobile phones. These messages are encrypted over-the-air with A5/1 algorithm and stored as clear text at network operator. Recent developments have shown that this algorithm is not secure any more. Compromising an access to network operator registers gains access to SMS also. Current scenarios of hacks and exploitation demands confidentiality, and encryption is one of the techniques, which is used, in this subsequent project of designing a secure SMS android application. Cryptographic manipulation of the data is performed using AES 128-bit algorithm to secure the data, which is essential to us and the safe transmission of confidential data over the GSM network. AES (Advanced Encryption Standards) algorithm is the considered impregnable even to super computers brute force attacks. The AES algorithm technique uses very befuddled and sporadic encryption making data impregnable to attackers or hackers. This android app will allow the user to encrypt and decrypt the SMS (Short Message Service) efficiently and just at one click. Subsequent explanation is given afterwards.

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“…(1) Decryption time is the time taken to transform the SMS cipherext into plaintext [11]. For each key size of same algorithm, random SMS message of different bit sizes was decrypted.…”

Section: Resultsmentioning

confidence: 99%

Development of a Secure SMS Application using Advanced Encryption Standard (AES) on Android Platform

Riaz¹,

Ikram²

2018

IJMSC

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“…There are many methods used by researchers in the design and modification of AES block cipher in order to enhance the security of the algorithm as in [3], [4], [5], [7] and some including merging the AES block cipher with other models from various fields, such as in [1] [2] [8] and [9]. Since the AES original S-box has been designed and tested thoroughly for linear and differential attack, attempt on substituting the original S-box without detailed analysis may violate the security of AES original design.…”

Section: Introductionmentioning

confidence: 99%

Modified AES S-Box Based on Determinant Matrix Algorithm

et al. 2017

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Abstract-There are many researches in designing and enhancing Rijndael, since it has been chosen as AES. The Sbox is the only nonlinear part in the symmetric encryption algorithms and it defines the performance of AES. In this paper, we propose a new stage named as DeterminantRotation (DR) in modifying and generates different S-box for each round by implementing determinant matrix calculation in rotating the position of AES S-box to be used in the SubBytes transformation. The randomness test and the avalanche test were performed on the output produced in order to prove the security of the new proposed algorithm. The result of the tests shows that the proposed algorithm in the new extra stage has good randomness as well as proven to be secured. Keywords-block cipher, algorithm, AES, determinant, rotation, randomness, avalanche I. INTRODUCTIONCryptography and encryption technique is one of the most proficient approaches employed in order to secure and protect the non-secure channels from attackers. Since Rijndael block cipher or AES (Advanced Standard Encryption) has been announced and adopted by the US government to be used widely as a standard encryption algorithm, there are many other encryption algorithms being develop to fulfil the requirement of secure block cipher. AES is a very robust algorithm that has shown resistance towards many cryptographic attacks so far. It is a symmetric block cipher that can process 128 bits of data blocks using 128, 192 or 256 bits of cryptographic keys. Basically, the block cipher consists of a sequence of identical rounds with each of the round operating under a round key computed from the key.Numerous efforts have been done in redesigning and reconstructing the AES algorithm in order to improve its performance. There are many methods used by researchers in the design and modification of AES block cipher in order to enhance the security of the algorithm as in . Since the AES original S-box has been designed and tested thoroughly for linear and differential attack, attempt on substituting the original S-box without detailed analysis may violate the security of AES original design. This paper introduces a new approach, DeterminantRotation (DR) in modifying and generates different AES S-box each round by implementing determinant matrix calculation in rotating the position of AES S-box to be used in the SubBytes transformation. The aim of this paper is to modify the original AES Sbox in terms of the position of state for each round and to generate different S-box to be used in each round without risking the security properties of a block cipher algorithm.

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Randomness Testing on Strict Key Avalanche Data Category on Confusion Properties of 3D-AES Block Cipher Cryptography Algorithm

Yusof¹,

Ariffin²

2023

Lecture Notes in Networks and Systems

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Symmetric Encryption Algorithm Inspired by Randomness and Non-Linearity of Immune Systems

Cited by 8 publications

References 33 publications

Development of a Secure SMS Application using Advanced Encryption Standard (AES) on Android Platform

Development of a Secure SMS Application using Advanced Encryption Standard (AES) on Android Platform

Modified AES S-Box Based on Determinant Matrix Algorithm

Randomness Testing on Strict Key Avalanche Data Category on Confusion Properties of 3D-AES Block Cipher Cryptography Algorithm

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