Caesar Cipher

Software Summary

Only using Python, this program will allow you to encode or decode a message using the "Caesar Cipher".

Built With

• Python 3.11

Version History

Version 1.0
5/21/2024

• Program is now functional.
• Encased the cipher process in a "while" loop for repetitive purposes.
• Moved the encryption/decryption function higher up in the code (along with the alphabet list).

Version 0.6
5/20/2024

• Added a banner logo for the beginning of the program.
• Added "if/else" statements to encryption/decryption function that account for non-letter characters.
• Essentially, non-letter characters will remain as they are; they won't disappear or change.
• Created an "if" statement for the initial encode/decode choice that takes effect based off other choices.

Version 0.5
5/19/2024

• Combined encryption and decryption functions into one single function.

Version 0.4
5/18/2024

• Created a decoding function.
• Added "if/elif" statements that will call the proper function based off user's decision.

Version 0.3
5/17/2024

• Added a list containing the alphabet twice over (in order to account for large shift numbers and end letters).
• Cleaned up some test code.
• Created an encoding function.

Version 0.2
5/16/2024

• Added "input()" functions for various questions posed to the user.
• Added some "if/else" statements based on the user's answers.

Version 0.1
5/15/2024

• This program has just been started.

Author(s)

Geoffrey Lewis
LinkedIn: https://www.linkedin.com/in/geofflewis-networksecurity/
GitHub: https://github.com/geoffreylewis

Acknowledgements

In my ongoing quest to refresh my Python skills and stay sharp, I'm working my way through the Udemy course "100 Days of Code: The Complete Python Pro Bootcamp". Shout out to Dr. Angela Yu and Udemy.

An additional shout out to whomever created the ASCII art (copied from https://replit.com/@appbrewery/caesar-cipher-4-start#art.py).