Just to add another 2p in the pile.
Does anybody have a view on https://telegram.org/
It is a whatsapp clone which claims to have reasonably strong encyption,
with optional end to end encryption. They make some fairly bold claims
about security on their website. The client side is open source.
It is one of the best to use IM on your phone apps I've used.
I'm told there are some scathing writeups about the encryption. I'm not
enough of a crypto person to be able to reason about these.
Telegram do store (non secure) chats on their server side, and they sync
between devices very well. Downside for crypto/intercept. Good for
usability.
The server side isn't open source, and is run by the service operator.
You can't install your own, and no server to server comms.
But, it is a very very usable service. It does what it says on the tin.
It is how a service aimed at a mass user base has to be.
I'm not suggesting telegram is an answer. Just something to look at for
inspiration.
Tim
--
Tim Bray
[email protected] | +44 7966 479015 | http://www.kooky.org
Huddersfield, UK
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