PyNaCl: Python binding to the libsodium library

Latest Version

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