Where is the PEM file format specified?

Question

I need to parse .PEM files.
I know that the standard for \"Privacy-enhanced Electronic Mail\" is defined in RFCs 1421-24. But they don\'t seem to mention some text I fin

Answer 1

Where is the PEM file format specified?

There is no one place. It depends on the standard. You can even make up your own encapsulation boundaries and use them in your own software.

As @indiv stated, OpenSSL has a fairly comprehensive list at /crypto/pem/pem.h.

Someone asked the PKIX Working Group to provide a list like you are asking for back in 2006. The working group declined. See PEM file format rfc draft request.