README.md

Cipher Sender iOS App

Send secret messages with your friends! Cipher Sender is free, ad-free, and open source.

Get it free on the iOS App Store

Ciphers

Cipher Sender includes some of the most popular ciphers and codes from throughout history including:

• A1Z26 Cipher
• Atbash Cipher
• Caesar Shift Cipher
• Keyboard Shift Cipher
• Monoalphabetic Substitution
• Morse Code
• Rail Fence Cipher
• ROT13
• Vigenere Cipher

Add a new Cipher

Cipher inputs and outputs are currently limited to ASCII characters.

1. Add a new subclass of KeyedCipher, KeylessCipher, or AbstractCipher, under cipher-sender/model/ciphers
2. Add your new cipher to CipherFactory.m
3. Add unit tests for your new cipher to cipher_sender_unit_tests.m