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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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Text cipher option that can decrypt the same ciphertext to two DIFFERENT and DESIRED outputs...

I have a pen pal that I discuss with. In our latest discussion it was proposed to write a short message that is ciphered and have the other one find what it is, given some clues. I would like to ask i …
Lucian Viorel's user avatar