What should happen is either - A shared key should be passed over the e2e text channel and used as part of the DTLS setup. I'm unclear if this actually a possi

What should happen is either - A shared key should be passed over the e2e text channel and used as part of the DTLS setup. I'm unclear if this actually a possibility in WebRTC. - Each side can send a fingerprint of the peers public key to each other over the text channel and the software can authenticate there is no MITM