Mutual TLS on OpenSSL – When does the server generate the CertificateVerify message?

When I am testing mutual TLS handshake performance on TLS1.3 using OpenSSL, I find a very wired thing:
I created two groups of servers and clients:

Server1 has a certificate signed using RSA3072, and Client1 has a certificate signed using… Continue reading Mutual TLS on OpenSSL – When does the server generate the CertificateVerify message?