Ah, it's that time of the week again, Google are launching a new chat app https://www.theguardian.com/technology/2018/apr/20/chat-googles-big-shot-at-killing-apples-imessage
So Google Chat was also Google Talk which is now Hangouts (originally Google+ only), but now retargeted for "enterprise" use while Allo (& Duo) are for personal use but now "on pause" for developing a new Google Chat, which is RCS (but not versioning) but also known as Google Jibe which is basically SMS 3.0, & is in Android Messages (but not the old AOSP based Messages, which was discontinued, but a new one), which is the SMS client… which might be Google Chat?
When I started reading it didn't sound bad until I reached this point:
"Unlike many of the best messaging services, RCS, and by extension Google’s Chat, is not and will not be encrypted. Despite being sent over the internet, it will be carried by mobile phone operators and therefore subject to all the traditional communications regulations of search and surveillance."
End-To-End encryption is a must have for any serious general purpose chat system in 2018, IMHO.
@bjoern @bobjonkman Yeah, it's about as secure as SMS (which is to say, not at all). Not meant as a standalone chat service, but as an improved baseline. I'm not entirely sure how possible or easy it would be to bundle end-to-end encryption on top of RCS -- the UP2 spec already requires TLS and IPSec, so it could be possible to extend the spec to allow end-to-end.
@bobjonkman Hmm, but there are plenty of alternative SMS providers like Twilio or those "free SMS" apps you can download from an app store and possibly pay a cheap subscription to. Even Google offers Google Voice. The only difference between SMS and IP chat is having to cross over a carrier at some point (a moot point with RCS, which is also over IP).
Since the Universal Profile specs are available for anyone, it's possible we can see third-party RCS apps like we do for SMS apps.
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