Say you have received a ciphertext KHOOR
which was created using an encryption function y = (x+3)
mod m, where x is the numerical value of the letter in the
plaintext, y is the numerical value of the letter in the
ciphertext, and n is the number of alphabetical letters. Find
the corresponding plaintext for the given ciphertext.
Say you have received a ciphertext KHOOR which was created using an encryption function y = (x+3) mod m, where x is the
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