ChaCha stream cipher modules written in Python, described using Amaranth.
Do not use unreviewed cryptographic algorithm implementations in your applications. Croc is written as a learning project and has not gone under any reviewing process.
Run setup.py with Python 3 to install dependencies
python3 setup.py install
Run tests with pytest
pytest croc/croc/tests
List generation options
python3 cli.py --help
Generate RTL using the cli.py script
python3 cli.py --name chacha20_2rpc --rounds 20 --rounds-per-cycle 2 generate out.v
Better testing & more test data, streaming & mixing logic, state initialization, ...
Copyright (c) 2021 Arthur M.
Croc is licensed under the GNU General Public License version 3 or later, see LICENSE.