It supplies for now :
- Caesar cipher (breaking included, and also with a cipher wheel),
- Affine cipher (breaking included),
- Keyword and monoalphabetic cipher (breaking included ***),
- Hill cipher (2x2, 3x3 and 4x4) with the possibility to manage 3 matrices,
- Vigenere/Beaufort cipher (breaking included ***).
You can send a cipher message via SMS or email. You can also call the application when a text message is shared and choose the encoding method.
**
* The N-grams for those breakers were downloaded from this very interesting site about cryptography : http://practicalcryptography.com/. Texts in english, french, german, spanish, italian and swedish are concerned.
Category : Education
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If you could make the monoalphabetic cipher work with non-alphabetic (ie. &$%_-:) characters, I would give 5 stars