1 | initial version |
...and the next steps involve a web browser that is used to connect to a website using HTTPS?
Because that is what is involved with using $SSLKEYLOGFILE, decryption of TLS connections with web browsers acknowledging $SSLKEYLOGFILE.
If your purpose is to monitor the WiFi network you'll have to start looking at monitor mode, setting of decryption parameters in IEEE 802.11 preferences. And even then, newer Macs may need even more hoops to jump through.