How to get pub key from EC_KEY to vertify digest with ECDSA_do_verify function?

[Sergio García]

Hi,

I have a question regarding OpenSSL library. The question is explained here
<https://stackoverflow.com/questions/66956644/how-to-get-pub-key-from-ec-key-to-vertify-digest-with-ecdsa-do-verify-function>
 .

Thanks