Offloading TLS client-cert checking to OpenSSL (or similar) if server does not support it

TL;DR

I want to have “some thing” to handle client-certs on behalf a server that is unable to do it, for secure user authentication in addition to regular TLS encryption.

Context

In this question How can I double check security against … Continue reading Offloading TLS client-cert checking to OpenSSL (or similar) if server does not support it