(2009). One Algorithm to Cipher Messages in Columnar and Fixed Period-d Transposition Cipher. , 22(2), 188-194.
. "One Algorithm to Cipher Messages in Columnar and Fixed Period-d Transposition Cipher". , 22, 2, 2009, 188-194.
(2009). 'One Algorithm to Cipher Messages in Columnar and Fixed Period-d Transposition Cipher', , 22(2), pp. 188-194.
One Algorithm to Cipher Messages in Columnar and Fixed Period-d Transposition Cipher. , 2009; 22(2): 188-194.

One Algorithm to Cipher Messages in Columnar and Fixed Period-d Transposition Cipher

Ibn Al-Haitham Journal For Pure And Applied Science
Article 1, Volume 22, Issue 2, 2009, Pages 188-194
Abstract
One of ciphering systems depends on transposition of letters in plain text to generate cipher text. The programming of transposition depends mainly on 2-dimension matrix in either methods but the difference is in columnar .We print columns in the matrix according to their numbers in key but in the fixed, the cipher text will be obtained by printing matrix by rows.
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