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Advanced Hill Cipher Handling the Entire Plaintext as a Single Block

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Author(s): V.U.K.Sastry | Aruna Varanasi | S.Udaya Kumar

Journal: International Journal of Advanced Research in Computer Science
ISSN 0976-5697

Volume: 01;
Issue: 04;
Start page: 180;
Date: 2010;
Original page

Keywords: key | involutory | matrix | cryptanalysis | avalanche | effect | Ciphertext | block | cipher

ABSTRACT
In this paper we have devoted our attention to the study of large block cipher by employing the basic concepts of the advanced Hill cipher. In this the computation of the inverse of a matrix is very simple as we have confined our attention to an involutory matrix, i.e., a matrix whose inverse is the same as the original matrix. The avalanche effect and the cryptanalysis carried out in this investigation, to check the strength of the cipher, prominently indicate that the cipher is a potential one, and it can be applied to a plaintext of any length
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