What is “qca” Package?

Qt Cryptographic Architecture (QCA)
For more details: http://delta.affinix.com/qca/

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 qca.

  brew install qca

Now, use qca!