conda install -c conda-forge pycryptodomeex

cd ~/_projects/github/
git clone https://github.com/pavelsuk/crypto_playground crypto_playground
cd ~/_projects/github/crypto_playground

sudo apt install python3-venv
cd ~/_projects/github/crypto_playground
python3.6 -m venv env
source env/bin/activate

cd ~/_projects/github/crypto_playground
git fetch
git merge
source env/bin/activate
pip install -r requirements.txt

# generate private_key.pem (without password) and public_key.pem:
python cryptorshell.py generate

# generate key pair (password protected) to specific files:
python cryptorshell.py generate --privkey private_pwd.pem --pubkey public_pwd.pem --pwd mylittlesecretpwd

# encrypt little_secret.txt to little_secret.txt.encrypted using default public_key.pem
python cryptorshell.py encrypt little_secret.txt

# decrypt little_secret.txt.encrypted to little_secret.txt.dec using default public_key.pem
python cryptorshell.py decrypt little_secret.txt.encrypted little_secret.txt.dec

# encrypt file little_secret.txt to encrypted_secret.enc  using public key public_pwd.pem
python cryptorshell.py encrypt little_secret.txt encrypted_secret.enc --pubkey public_pwd.pem

# decrypt encrypted_secret.enc to encrypted_secret.dec using password protected private key
python cryptorshell.py decrypt encrypted_secret.enc decrypted_secret.dec --privkey private_pwd.pem --pwd mylittlesecretpwd