Re:Signal Introduces Story Time
by topdancing on Monday November 07, 2022 @05:31PM
(#33513492)
> Signal does not know numbers or how these contatcs interact.
> It is described here [2]. Number is only needed for creating the unique hash. Server knows only the recipient, not the sender.
Signal does know everyone's numbers as everybody is logged into a Signal account on the server end (this is how your client fetches messages for your number). That same account and IP are also used when you send a message.
> It is described here [2]. Number is only needed for creating the unique hash. Server knows only the recipient, not the sender.
Signal does know everyone's numbers as everybody is logged into a Signal account on the server end (this is how your client fetches messages for your number). That same account and IP are also used when you send a message.
On top of that fact, sealed sender has been known to be broken for some time now: https://www.ndss-symposium.org/ndss-paper/improving-signals-...