Deconstructing Columnar Transposition Ciphers

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Information about Deconstructing Columnar Transposition Ciphers

Published on November 23, 2013

Author: rtalbert



This talk explores some of the properties of the columnar transposition cipher, a classical encryption technique that uses a rectangular grid structure to shuffle the characters of the plaintext. This means that the columnar transposition cipher is a permutation, and the group theoretic structure of the cipher admits some interesting features.

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