Diffie-Hellman Picture Show: Key Exchange Stories from Commercial VoWiFi Deployments

Gabriel Karl Gegenhuber, Florian Holzbauer, Philipp Frenzel +2

Voice over Wi-Fi (VoWiFi) uses a series of IPsec tunnels to deliver IP-based telephony from the subscriber's phone (User Equipment, UE) into the Mobile Network Operator's (MNO) cor…