What is “pkcrack” Package?

Implementation of an algorithm for breaking the PkZip cipher
For more details: https://www.unix-ag.uni-kl.de/~conrad/krypto/pkcrack.html

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 pkcrack.

  brew install pkcrack

Now, use pkcrack!