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> Beware of Signal: it depends on the proprietary Google Play Services library, so even if you don't have the Play Services on your phone, the app is built with
by ignoramous 5y ago
> Beware of Signal: it depends on the proprietary Google Play Services library, so even if you don't have the Play Services on your phone, the app is built with the "client-side" code which speaks with it (or with microG) and checks for its presence.
That exposes client information to Google but not content. Besides, if my understanding is right, The Signal Protocol is non-repudiable, which means there's no way for an external party to conclusively prove if the communication did indeed take place.
- jraph 5y agoIt probably exposes nothing at all to anyone if the Play Services are not on the phone or the relevant feature is not enabled on microG. But it is still a chunk of code that is partly run and that you don't control. It probably just does what it says (check if the service is present), but it is a black box.