Install libsodium-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libsodium-dev
Description:
Network communication, cryptography and signaturing library - headers
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 cryptographic tools. . Sodium is a portable, cross-compilable, installable, packageable fork of NaCl, with a compatible API. . This package provides development headers needed for applications that use libsodium.
Homepage: http://www.libsodium.org/
Version: 1.0.16-2
Section: libdevel