Start by getting the source code and installing dependencies. Poetry should be installed on your machine. More information about Poetry and dependencies can be found here (in Finnish).
Please note that Python version 3.8 or later should be used. You may want to look into pyenv to switch to the correct version.
# Get the source code
$ git clone [email protected]:rikurauhala/rsa.git
# Change directory
$ cd rsa
# Install dependencies
$ poetry installThe application can be started by running the start command. The application has a straightforward commandline interface.
# Run the application
$ poetry run invoke startThe application has the following commands. Commands can be given by running the application and typing them in the command-line interface after the green > symbol. The list of commands can be found here or by typing the command h (short for help). The command list below is also printed after running the application.
Commands:
[ q ] quit
[ h ] print the command list
[ 1 ] generate keys
[ 2 ] encrypt message
[ 3 ] decrypt message
[ 4 ] show public key
[ 5 ] show private key
This section contains instructions on how to use the application. For the technical details, see the implementation document. The application can be terminated with the command q (short for quit).
Keys can be generated with the command 1. The application will indicate while keys are being generated and when it's done. This should not take too long, however. The keys are stored in the application memory and can be viewed with the commands 4 and 5.
A message can be encrypted by entering the command 2 and entering a plaintext message. For the list of supported characters, see here. If the message contains unsupported characters or is too long, an error message will be displayed.
The encrypted message can be decrypted by typing the command 3. The message is stored in the memory, so there is no need to copy and paste the encrypted ciphetext here.