PyNaCl is a Python binding to libsodium, which is a fork of the Networking and Cryptography library. These libraries have a stated goal of improving usability, security and speed. It supports Python 2.7 and 3.4+ as well as PyPy 2.6+.
- Digital signatures
- Secret-key encryption
- Public-key encryption
- Hashing and message authentication
- Password based key derivation and password hashing