• Loser66
The following is an encryption algorithm. Denote (abc) at the permutation $$a\mapsto b$$, $$b\mapsto c$$ and $$c\mapsto a$$ and fixing all the other elements. Denote A as the following matrix $\left(\begin{matrix}1&4&7\\2&5&8\\3&6&9\end{matrix}\right)$ In each step the middle row of the matrix is used to define a permutation acting on a single digit. After each step, the first column is rotated downwards and the middle column upwards, resulting a new matrix to be used for the next step of encryption $\left(\begin{matrix}3&5&7\\1&6&8\\2&4&9\end{matrix}\right)$ continue on comment
Mathematics
• Stacey Warren - Expert brainly.com
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