git clone https://github.com/raisty/keyboard-us-crypto.git
cd keyboard-us-crypto/
sudo cp crypto.bundle /Library/Keyboard\ Layouts/
cd .. && rm -rf keyboard-us-crypto/
Feel free to fork the repository and modify the keyboard layout with Ukulele software.
State
Default
State
Shift
State
Caps
State
Option
State
Option - Shift
State
Option - Caps
State
Control