It uses my Mail Transfer Agent to identify, so I can just use me email password to log in to Persona-enabled sites, but you can easily swap it out for a different credentials checker.
That's quite cool - actually that'd be exactly what I want to host myself.
Not a fan of go (cough The stripe CTF made it again clear that go get isn't exactly what I want, ever), and don't want to build stuff on my box, but I'll certainly check it out. Thanks for chiming in!
https://github.com/wulczer/persona-idp
It uses my Mail Transfer Agent to identify, so I can just use me email password to log in to Persona-enabled sites, but you can easily swap it out for a different credentials checker.