Cryptography - Caesar Cipher

practice C++ and creating Encryption Algorithms

initially created on repl.it

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Ci = (Pi + K) mod 26

• C = cipher text
• P = plain text
• K = key int - the number to offset cipher text by
• i = the ith character in the plain text, corresponding with cipher text index

mod 26 returns an index within alphabetic range, 0-25

ASCII

Utilizing ASCII table's mapping of character to decimal code to convert alphabet to integer, and vice versa.