Caesar 3.70 Icon
4.7
2 Ratings
9K+
Downloads
3.70
version
Jun 06, 2017
release date
4.9 MB
file size
Free
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What's New

3.70 : can save and load keywords for Generalized Vigenère cipher to a text file protected by a Vigenère key.

About Caesar Android App

It supplies for now :
- Caesar cipher (Cryptanalysis included, with the possibility to use a convenient cipher wheel),
- Affine cipher (Cryptanalysis included),
- Monoalphabetic substitution cipher with keyword or user-defined alphabet (Cryptanalysis included ***),
- Hill cipher (Matrix sizes : 2x2, 3x3 and 4x4) with the possibility to manage 3 matrices,
- Vigenère/Beaufort cipher with 2 variants (Cryptanalysis included ***),
- "Vigenère + keyword" cipher. It's possible to save the encoding tables in CSV format in the folder CESAR of the device's storage. The keyword permutes the columns of original Trithemius-Ciphertable into another latin quarter.
- "Generalized Vigenère" cipher. It's possible to save and load the encoding/decoding tables in CSV format or the keywords to a text file (protected by a Vigenère key) in the folder CESAR of the device's storage. Every thinkable Encryption-Table (26x26) can be defined by the user (about 5.6 * 10 ^ 691 possibilities !).

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.

Other Information:

Package Name:
Requires Android:
Android 4.0.3+
Other Sources:

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This version of Caesar Android App comes with one universal variant which will work on all the Android devices.

Variant
370
(Jun 06, 2017)
Architecture
universal
Minimum OS
Android 4.0.3+
Screen DPI
nodpi (all screens)
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