Those aren’t even the correct answer for the use-case in question, anywho. What they’re looking for would actually be sops (https://github.com/getsops/sops), or age (made by the fantastic Filo Sottile: https://github.com/FiloSottile/age), or, hell, just using libsodium sealed boxes. AMS KMS or Vault is perhaps even worse of an answer, Actually