Referring to the example as in https://mbed-tls.readthedocs.io/en/latest/kb/how-to/mbedtls-tutorial/ (secure connection) does the secret key exchange takes place in-between server and client.

Is there any flowchart / diagram that states what happens during the server client connection - how the keys are exchanged and what types of certs are exchanged, I mean like .pem, X.509 etc?

Can we take this way that be it any type of certificate the code implementation is the same for all TLS communication?

Thanks in advance.

Regards,

Prakash