Don't need to break phone to tower encryption when the vast majority of the call pathway is not encrypted.
On Tue, Mar 8, 2022 at 4:59 PM Michael Thomas <m...@mtcc.com> wrote: > > Hi, I was reading an article on why Russia hasn't taken out Ukraine's > mobile networks and one of the premises was that they could use it to > eavesdrop on calls. Depending on how old their infrastructure is, that > doesn't make sense as I would assume that along with e2e SIP that they'd > be using SRTP with the SRTP keys exchanged using DTLS which is my > understanding of the way they are secured. My understanding could be > wrong though, or either outdated, or not uniformly deployed. > > The other thing that's weird is that the same article says they want to > keep it up so they can use their bandwidth too which strikes me as sort > of a crazy assumption in a war, but that's not much of an operational > issue. > > > https://www.politico.com/news/2022/03/07/ukraine-phones-internet-still-work-00014487 > > Mike > >
