Internal Program Version: libsodium  1.0.20

NaCl (pronounced "salt") is a new easy-to-use high-speed software
library for network communication, encryption, decryption, signatures,
etc. NaCl's goal is to provide all of the core operations needed to
build higher-level cryptograp

Sodium is a portable, cross-compilable, installable, packageable fork
of NaCl, with a compatible API.

https://github.com/jedisct1/libsodium