Il 05/08/21 02:30, Jorge P. de Morais Neto via libreplanet-discuss ha
scritto:
Telegram/does/ have free clients on GNU Guix and PureOS repositories,
which is great, but it is a centralized network, the server code is
hidden, and it doesn’t even have end-to-end encryption! So is it a real
improvement over the fully proprietary---but allegedly end-to-end
encrypted---status quo?
If you mean WhatsApp, the end-to-end encryption of its groups is mere
fiction, because [to simplify] the decryption keys are available to
attackers and metadata is not e2e-encrypted:
https://eprint.iacr.org/2017/713.pdf
Depending on your threat model, Telegram can be an improvement.
That said, don't give up so easily. If we're talking about half a dozen
users, you can probably just help them create a Matrix account, by
meeting in person if necessary. In my experience they'll soon tell you
it's easier than they thought.
Federico
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