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New Text Encryption Algorithm Based on Block Cipher and Chaotic Maps


Ekhlas Abass Albhrany, Dr.Luma Fayeq Jalil, Prof. Dr. Hilal Hadi Saleh
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In this paper, new algorithm for text encryption based on block cipher and chaotic maps is proposed. The proposed algorithm is encrypted and decrypted a block size of (88) byte. The nonlinear substitution S-box component that previously designed based on the method in [16], which is depends on 2d Logistic map and 2d Cross chaotic map, is used in this algorithm. Each block is first permuted by using Standard map and then substituted by the bytes in S-box. The resulted block is then Xored with the key. A random key generator based on Tent map is proposed to generate the key sequences that used in the encryption and decryption process. The result from key space analysis, differential attack analysis, information entropy analysis, correlation analysis of the plaintext and ciphertext characters have proven that the proposed algorithm can resist cryptanalytic, statistical and brute force attacks, and achieve higher level of security.

Ekhlas Abass Albhrany, Dr.Luma Fayeq Jalil, Prof. Dr. Hilal Hadi Saleh

text encryption, block cipher, chaotic map, S-Boxes, 2d Logistic map, 2d Cross map, 2d Standard map, 2d Tent map.

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Publication Details

Published in : Volume 2 | Issue 2 | March-April - 2016
Date of Publication Print ISSN Online ISSN
2016-10-25 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
67-73 IJSRSET162210   Technoscience Academy

Cite This Article

Ekhlas Abass Albhrany, Dr.Luma Fayeq Jalil, Prof. Dr. Hilal Hadi Saleh, "New Text Encryption Algorithm Based on Block Cipher and Chaotic Maps", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 2, pp.67-73, March-April-2016.
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