![]() Not particularly secure by modern standards, but, hey, if you’re perhaps the first in the world to do it, pretty secure! The secrecy of this “cryptosystem” relied on only Caesar and the recipients knowing a secret, the number of places by which Caesar had shifted his letters (e.g., 1). Upon receiving such messages from Caesar, recipients would have to “decrypt” them by shifting letters in the opposite direction by the same number of places. And so, to say HELLO to someone, Caesar might write IFMMP. For instance, he might write A as B, B as C, C as D, …, and, wrapping around alphabetically, Z as A. ![]() Supposedly, Caesar (yes, that Caesar) used to “encrypt” (i.e., conceal in a reversible way) confidential messages by shifting each letter therein by some number of places. Implement a program that encrypts messages using Caesar’s cipher, per the below. How to Prepare for Technical Interviews.GitHub Instagram LinkedIn ORCID Quora Reddit Twitter ![]()
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