donet version: https://github.com/neosmart/SecureStore
rust version: https://github.com/neosmart/securestore-rs
(This one is production ready)

scrt is a command-line secret manager for developers, sysadmins and devops. scrt aims to provide command-line users with a secure way of storing and retrieving secrets, while retaining control of the storage.
Warning
This project is currently under development and not production ready. Use at your own risk.
You have a .sops.yaml with some Age public keys, and then you run “sops secrets.yml” to create an encrypted file.