What is “nettle” Package?

Low-level cryptographic library
For more details: https://www.lysator.liu.se/~nisse/nettle/

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 nettle.

  brew install nettle

Now, use nettle!