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Cryptography - Caesar Cipher

practice C++ and creating Encryption Algorithms

initially created on repl.it


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.

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