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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 …
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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