I am using Guardian to realize JWT Authentication with an Elixir / Phoenix app. I'm using the HS512 algorithm. And I need a key for that. Are there any conditions for this key except that it has to be 512 bits or longer? It can be any arbitrary string, right?
In case anyone visits this now: Guardian added a mix task for that.
mix guardian.gen.secret
https://hexdocs.pm/guardian/Mix.Tasks.Guardian.Gen.Secret.html#content