790 B
790 B
Porta Cipher
Encrypts or decrypts a message using the Porta cipher.
Source library: secretpy
Historical Context
The Porta cipher is a polyalphabetic substitution cipher invented by Giovanni Battista della Porta.
How it Works
The Porta cipher is a reciprocal cipher, meaning that the encryption and decryption processes are the same. It uses a keyword and a set of rotating alphabets to encrypt the message.
Parameters
- text: The message to encrypt or decrypt.
- alphabet: The alphabet to use for the cipher. Can be a string of characters or a predefined alphabet from
secretpy.alphabets. - key: The key for the cipher.
- mode: Whether to encrypt or decrypt the message.
- keep_formatting: Whether to keep the original formatting of the message.