What is “nacl” Package?

Network communication, encryption, decryption, signatures library
For more details: https://nacl.cr.yp.to/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install nacl.

  brew install nacl

Now, use nacl!