You should have git and docker installed in your system.
Run following command
./install
Restart terminal and then run following command
fzsecure
Now you are inside fzsecure terminal
To setup a directory where you want to encrypt or decrypt your data run following command
init
then provide password to use to encrypt/decrypt data
To encrypt any data use following command
encrypt "filename_to_encrypt.txt"
Now you can delete original file, i.e. in this case "filename_to_encrypt.txt".
You can keep *.pem file and keys directory in safe location.
To decrypt data back, use below command.
decrypt "filename_to_encrypt.txt.omega"
Anytime when you want to exit from fzsecure enter exit.
exit