this post was submitted on 16 Sep 2025
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Or simply create your rootCA, IntermediateCA, keys and certifictes with openSSL.
Neither of those are begginer friendly but openSSL is probably a bit easier to get started. There's a nice book with openSSL (if you are interested I migh look how it's called) and the last chapter is all about how to create your mini-CA and everthing else to serve your proxy with valid certificates for your homelab.
The reason i chose Step CA over openSSL is because with step CA you can automate certificate renewal without any manual intervention. I don't know how that would work with openSSL except some heavy scripting?
Yeah thats correct !
I Wouldn't say heavy though (maybe I see it that way because I got a bit better with bash and the like :p) because you can make use of CRL to revoke your certificates and renew them very easily with your intermediate and ready to use config files.
But yeah, there isn't any automated way to manage certificates like Smallstep does :)
You mentioned a book though... Now i'm curious ;-)
https://www.amazon.com/Demystifying-Cryptography-OpenSSL-3-0-techniques/dp/1800560346
It's really a good book :) And the last part is all about a mini-ca for your homelab !
However, don't use the ED448/ED25519 algorithm based certificates for TLS as mentioned in the example... They are still not supported by any browser !
If you can support the author, please do ! If you're on a budget, it's really easy to find in the piracy corner.
Thank you! I don’t mind buying books that are useful, work pays for that ;-)