APN certificate generation

Good day (o;

Been a while I used APN and now had to create a new bundle identifier and create a new push notification certificate.

Following this older tutorial here:

I don’t have an option to export the certificate as .p12 or .p8?

Has someone found newer documentation involving the steps for creating APN certificate/key?

Solved…

Needed just to generate a general APN key which is not related to the apps bundle id:

And in my PHP script adapt the bundle id and key id.