To get your operator certificate, you have to send a Certification Signing Request (CSR) to the CA and you will get back your signed certificate. The operator certificate is needed to sign the X.509 certifcates of your mixes. At the moment, there are 2 Certification Authorities for JonDonym available:
Certification only for mixes of TU Dresden.
Only JonDos GmbH offers certification for premium mix operators.
