A Python script to encode messages using the Rail Fence algorithm.

This script was made to study the many ways to encode a message described in The Code Book, by Simon Singh.

rail-fence.py [option] -m [message]

options:

• e encode a message
• d decode a message

params:

• -h help menu
• -m message to be ciphered. e.g.: -m "message"

e.g.:

python rail-fence.py e -m "mateus"

  Message:
  mateus
  
  Encoded Message:
  MTUAES

• Rail Fence Cipher (Wikipedia article)
• Rail Fence Cipher (Online Encode/Decoder)
• Symmetric Key Cryptography: The Rail Fence Cipher (Youtube video)