Turinga is a simple crypto experiment based on the encryption in Enigma. The name is inspired by Alan Turing who was able to break the original Enigma with his colleagues.
The aim is experiencing cryptography, C++ and related software skills.
I'm trying to achieve several aspects:
- security
- cross system compatibility (Linux/ Windows, focus on Linux)
- efficiency
| library | use case | author | licence can be found at: |
|---|---|---|---|
| duthomhas::CSPRNG | generating Keys | Michael Thomas Greer | lib/CSPRNG/LICENSE_1_0.txt |
To use turinga you can download binary files for linux and windows from the releases or compile from source. There are versions using avx2, sse4 or none of them.
You need CMake. Then you can compile Turinga by entering the following commands in the directoriy of the CMakeLists.txt file.
mkdir build && cd build
cmake ..
make
By default the -march=native option is set.
In order to encrypt or decrypt Turinga need rotors and keys. Both can be generated using the programm.
| purpose | Linux |
|---|---|
| get syntax help | ./turinga21 help |
| encrypt/ decrypt using given key and rotors | ./turinga21 crypt <input_file> <key_file> <rotors_directory> <output_file> |
| generate key | ./turinga21 genKey <key_file> <key_length> <name_of_all_possibly_used_rotors> |
| generate rotors | ./turinga21 genRot <rotor_names> <seed_integer> |
For most of these commands there are shortcuts which replace some options by standard values. Use the help command to see them. For more help have a look in the wiki.
To run Turinga on windows you need to replace ./turinga21 by turinga21.exe in the commands listed above. Of course you need to adjust the command to the actual name of your executable or vice versa.