this post was submitted on 29 Aug 2023
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That was exactly why I said "Did they learn nothing from the Obama administration?"
From 2014: "We kill people based on metadata." (Michael Hayden, former DIRNSA, 2014.ev)
There is no "harmless" here.
But in this case, the metadata is not accessible to outsiders.
If you can see it, you can analyze it. Metadata is more than message headers; traffic analysis generates usable metadata, too.
Any form of internet communication is potentially susceptible to traffic analysis, so that flaw isn't specific to this particular design.
The goals here are to address some of the other weaknesses of communication protocols, ie lack of auditability and reliance on a central server. They do not claim it's completely impervious to attack.