20 lines
762 B
Markdown
20 lines
762 B
Markdown
# ThreeSquare Cipher
|
|
|
|
Encrypts or decrypts a message using the Three Square cipher.
|
|
|
|
Source library: `secretpy`
|
|
|
|
## How it Works
|
|
|
|
The Three Square cipher is a polygraphic substitution cipher that is a variation of the Foursquare cipher. It uses three 5x5 Polybius squares to encrypt pairs of letters.
|
|
|
|
## 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_1**: The first key for the cipher.
|
|
- **key_2**: The second key for the cipher.
|
|
- **key_3**: The third key for the cipher.
|
|
- **mode**: Whether to encrypt or decrypt the message.
|
|
- **keep_formatting**: Whether to keep the original formatting of the message.
|