publication . Article . 2018

EAES: Extended Advanced Encryption Standard with Extended Security

Abul Kalam Azad; Md. Yamin Mollah;
Open Access English
  • Published: 01 May 2018 Journal: Advances in Science (issn: 2415-6698, eissn: 2415-6698, Copyright policy)
  • Publisher: Advances in Science, Technology and Engineering Systems Journal (ASTESJ)
Though AES is the highest secure symmetric cipher at present, many attacks are now effective against AES too which is seen from the review of recent attacks of AES. This paper describes an extended AES algorithm with key sizes of 256, 384 and 512 bits with round numbers of 10, 12 and 14 respectively. Data block length is 128 bits, same as AES. But unlike AES each round of encryption and decryption of this proposed algorithm consists of five stages except the last one which consists of four stages. Unlike AES, this algorithm uses two different key expansion algorithms with two different round constants that ensure higher security than AES. Basically, this algorit...
free text keywords: AES-256/384/512, EAES-256/384/512, Extended-AES, Network Security, Technology, T, Science, Q, Embedded system, business.industry, business, Advanced Encryption Standard, Computer science
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