A Novel Approach for Encryption of Text Messages Using PLAY-FAIR Cipher 6 by 6 Matrix With Four Iteration Steps

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Provided by: IJESIT
Topic: Security
Format: PDF
Play fair cipher algorithm has demonstrated its success for encryption of text messages over the years. This algorithm uses normally 5 by 5 matrices. The main disadvantages of this matrix are the user cannot use numeric and also have to compromise between I and J. Here the authors use this concept but extends the matrix dimension 6 by 6, so that they can include numeric as well as I and J. To make the algorithm stronger here they use four iteration steps instead of one. Finally they have implemented this concept with the help of MATLAB.
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