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Function: require_once
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Function: require_once
Find the following multiplicative inverses.
(a) 23^(-1)(mod26)
(b) 2^(-1)(mod9)
Encipher the following message using the affine function y=(3x+1)mod26.
IMITATION IS THE SINCEREST FORM OF FLATTERY
Determine the total number of affine ciphers for a 26 letter alphabet.