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I think they just use the encryption and key exchange that WebRTC has cooked in https://datatracker.ietf.org/doc/html/rfc5764 https://datatracker.ietf.org/doc/h
by nenaoki 1y ago
I think they just use the encryption and key exchange that WebRTC has cooked in https://datatracker.ietf.org/doc/html/rfc5764 https://datatracker.ietf.org/doc/html/rfc5764
- lxgr 1y agotl;dr: One peer generates a self-signed certificate and sends the fingerprint of that over the signalling channel; the other connects to it as a "client". The resulting DTLS keying material is subsequently used for SRTP encryption (for media) and SCTP over DTLS (for the data channel, which is presumably what's being used here).