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A Block Cipher Algorithm Based on Magic Square for Secure E-bank Systems

Computers, Materials & Continua 2022年第10期73卷 1329-1346页

作者： Farah Tawfiq Abdul Hussien Abdul Monem S.Rahma Hala Bahjat Abdul Wahab Computer Science Department University of TechnologyBaghdad10011Iraq

Nowadays the E-bank systems witnessed huge growth due to the huge developments in the internet and *** transmitted information represents crucial information that is exposed to various kinds of *** paper presents a new block cipher technique to provide security to the transmitted information between the customers and the ebank *** proposed algorithm consists of 10 rounds,each round involves 5 *** operations involve Add round key,Sub bytes,Zigzag method,convert to vector,and Magic Square of order *** purpose of this algorithm is to make use of the complexity of the Magic Square algorithm,the speed of addition operation,the confusion provided by the zigzag,using these operations with Galois field 28 GF(28),and repeating these operations for several rounds to build fast high secure encryption *** algorithm is designed to provide fast with high complexity and security which is suitable to encrypt the data that is transmitted over the ***,complexity,and The National Institute of Standards and Technology Framework NIST suite tests were *** complexity of the proposed algorithm is=((256)32)r+1∗((256)89)r+1+(256)*** proposed technique gives higher speed and security in the encryption and decryption phases,according to the results of the *** degree of randomness has grown by 31.8 *** to a decrease in the time of encrypting and decrypting,as well as the usage of the central processing unit(CPU),efficiency is *** encryption process throughput is enhanced by 13%,while the decryption process throughput is increased by 11.6 percent with the recommended approach.

关键词： Block cipher magic square order 11 complexity NIST suite zigzag GF(28) ms11

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