https://github.com/openssl/openssl
openssl passwd -1 -salt <user> <password>
openssl enc -aes-256-cbc -pbkdf2 -k <password> <file> > <encryptedFile>
openssl enc -d -aes-256-cbc -pbkdf2 -k <password> <encryptedFile> > <file>
openssl x509 -text -noout -in <file>.pem