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Extension of Playfair Cipher using 16X16 Matrix

by S.s.dhenakaran, M. Ilayaraja
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 48 - Number 7
Year of Publication: 2012
Authors: S.s.dhenakaran, M. Ilayaraja
10.5120/7363-0192

S.s.dhenakaran, M. Ilayaraja . Extension of Playfair Cipher using 16X16 Matrix. International Journal of Computer Applications. 48, 7 ( June 2012), 37-41. DOI=10.5120/7363-0192

@article{ 10.5120/7363-0192,
author = { S.s.dhenakaran, M. Ilayaraja },
title = { Extension of Playfair Cipher using 16X16 Matrix },
journal = { International Journal of Computer Applications },
issue_date = { June 2012 },
volume = { 48 },
number = { 7 },
month = { June },
year = { 2012 },
issn = { 0975-8887 },
pages = { 37-41 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume48/number7/7363-0192/ },
doi = { 10.5120/7363-0192 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:43:30.139521+05:30
%A S.s.dhenakaran
%A M. Ilayaraja
%T Extension of Playfair Cipher using 16X16 Matrix
%J International Journal of Computer Applications
%@ 0975-8887
%V 48
%N 7
%P 37-41
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The role of Cryptography in today's digital world is significant. It secures information mathematically by mangling message with key. The privacy of intended sender and receiver information is protected from eavesdropper. The objective of the paper is playfair cipher. The existing methods of playfair cipher are studied. The restrictions of earlier works a playfair cipher using 5X5 matrix, 7X4 matrix and 6X6 matrix are overcome in the proposed work. The proposed method plays a 16X16 matrix giving strength to playfair cipher. The proposed work is an enhancement to the existing algorithms that uses 16X16 matrix to pick cipher characters. It makes use of alphabets both lower and uppercase characters, number and special characters for constructing the contents of the matrix.

References
  1. Andrew S. Tanenbaum, Networks Computer, 5th edition, Pearson Education, ISBN-10: 0132553171.
  2. William Stallings, "Cryptography and Network Security: Principles and Practice", 4th Edition, Prentice Hall, 2006.
  3. Aftab Alam, Sehat Ullah, Ishtiaq Wahid, & Shah Khalid, "Universal Playfair Cipher Using MXN Matrix". International Jourrnal of Advanced Computer Science, Vol. 1, No. 3, Pp. 113-117, Sep. 2011.
  4. Ravindra Babu K, S. Uday Kumar, A. Vinay Babu, I. V. N. S. Aditya, P. Komuraiah, "An Extension to Traditional Playfair Cryptographic Method". International Journal of Computer Applications (0975 – 8887), Volume 17- No. 5, March 2011.
  5. Muhammad Salam, Nasir Rashid, Shah Khalid, Muhammad Raees Khan, "A NXM Version of 5X5 Playfair Cipher for any Natural Language (Urdu as Special Case)". World Academy of Science, Engineering and Technology 73 2011.
Index Terms

Computer Science
Information Sciences

Keywords

Playfair Cipher Substitution Cryptography Network Security Symmetric Key

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