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A type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple function `(ax + b) mod m`.

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Prove that the affine cipher over Z26 has perfect secrecy if every key is used with equal pr...

Prove that the affine cipher over Z26 has perfect secrecy if every key is used with equal probability of 1/312. Just some guidance/help with this problem would be greatly appreciated not sure how to …
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