Python bindings for c-fn-dsa
Project description
py-fn-dsa
Python bindings for Thomas Pornin's c-fn-dsa using CFFI out-of-line API mode.
Features
- Thin wrapper around upstream c-fn-dsa
- Windows and Linux support
- Pythonic API
- Upstream validation, KAT, and interoperability tests
Installation
uv sync
Quick Start
from py_fn_dsa import keygen, sign, verify
vk, sk = keygen()
sig = sign(sk, b"hello")
assert verify(vk, sig, b"hello")
API Reference
- keygen()
- sign()
- verify()
Security Notes
Uses the upstream implementation without modifying cryptographic algorithms.
Development
uv sync
uv run pytest
Acknowledgements
- Thomas Pornin and the c-fn-dsa project.
License
MIT
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