To access and sync my Owncloud's calendar and contacts with my Android phone in a (more-or-less) secure manner through HTTPS, I needed to get a SSL/TLS certificate. Or precisely: a self-signed root CA (Certification Authority) certificate.
After searching for Howtos and creating a bunch of CA certificates, normal certificates, signing them, signing them vice-versa etc. -- yes, I don't really have a clue -- I mostly run into one of these errors:
- when signing normal cert with CA cert: "not self-signed"