The number of data requests fulfilled by Telegram skyrocketed, with the company providing data to U.S. authorities on 2,253 users last year.
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A place to discuss privacy and freedom in the digital world.
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
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that’s all not necessarily true
for starters: https://signal.org/blog/sealed-sender/
but also perhaps more academically because signal (i believe) doesn’t do this, so it’s more a comment on the information that the server “must know”
signal uses the double ratchet protocol to derive shared keys between users already. if we extend this a little further to exchange a separate shared identifier for use in retrieving conversaiton data, and a place to store that data the the only information that the server gets is a couple of initialisation messages, and the rest is entirely opaque - there’s no way to know (other than tracing e2e messages based on IP address, and there are mitigations for that too) who is communicating with who, at what rate, etc
there are other ways to validate things like rate limits, etc that don’t involve identity directly, or at least don’t trust any single party with all data
If you’re arguing that it is possible to build a system that uses a server for routing while keeping clients anonymous, then that is the case. However, what we’re talking about here is whether a malicious actor would be able to intentionally harvest metadata about the users. And my point was that since only the people operating the Signal server know what it’s actually doing, it becomes a trust based system. You have to trust that Whisper Systems is a good actor and they’re not harvesting your information.