[Standards] OTR

Goffi goffi at goffi.org
Tue Feb 3 11:47:51 UTC 2015

Some clients do weird stuff like encoding XHTML-IM (which is probably 
not a good idea at all). Also a XEP should give some advices on what to 
allow, saying that history should be disabled by default, this kind of 

Also there is an OTR space-based discovery system which should be 
useless in XMPP (except if you use OTR with gateway/legacy networks). 
Maybe a XEP should explain what to do, if we need to announce there 
somewhere with XMPP discovery, etc.

On 03/02/2015 10:37, Florian Schmaus wrote:
> Isn't "documenting the current OTR usage in XMPP" simply
> <message …>
>   <body>
>      … put OTR stuff here …
>   </body>
> </message>
> where "OTR stuff" is defined at
> https://otr.cypherpunks.ca/Protocol-v2-3.1.0.html (I think most
> implementations use OTR v2) and
> https://otr.cypherpunks.ca/Protocol-v3-4.0.0.html
> So OTR is IM protocol-agnostic. You can see how OTR tries to negotiate
> using whitespaces at the end of String within the </body> element at
> https://github.com/python-otr/gajim-otr/issues/9#issue-40676864
> I'm also not sure if, not only because it's IM protocol-agnostic, OTR
> would be a good fit for IoT. Some research in this direction would sure
> be interesting.
> - Florian

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