A Proposed Non Feistel Block Cipher Algorithm

Ahssan Ahmed Mohammed; Abdulkareem O. Ibad

doi:10.25212/lfu.qzj.2.2.09

Authors

Ahssan Ahmed Mohammed Department of software, College IT, University of Babylon - Iraq
Abdulkareem O. Ibad Department Computer Engineering, Baghdad College for Economic Sciences University - Iraq

DOI:

https://doi.org/10.25212/lfu.qzj.2.2.09

Keywords:

Encryption, Decryption, Block cipher, Keys, SubKey, Map Function, Wave Function, Permutation.

Abstract

In this work, A proposed block cipher algorithm is designed with multiple of 32 bits as a length of block performed in heterogonous multiple block cipher dependent on the application field , Multiple of 48 bits as a key length are entered automatically used in variable permutation, addition function and xor operation. A proposed algorithm performed in single round to giving fast and high security algorithm used in different Purposes. Another proposed functions for different purpose such as Balance Function between balance fixed number and initial permutation and inverse initial permutation, Maps function as lookup table (map2,map3,map4 and map5). Wave Function as a nonlinear function of 8-bits of input and same for the output. This algorithm can be designed in several blocks length depends on the application field, increase speed, higher complexity and for reduction of cost.

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