ChaCha stream cipher modules written in Python, described using nMigen.
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.