[Standards] XEP-0308: Last Message Correction and Carbons

Dave Cridland dave at cridland.net
Thu Sep 29 21:58:43 UTC 2016


On 29 Sep 2016 22:00, "Kevin Smith" <kevin.smith at isode.com> wrote:
>
> On 29 Sep 2016, at 21:17, Dave Cridland <dave at cridland.net> wrote:
> > (And please, folks, unless you can think of something I can't, a
> > randomish string prefix and a counter is fine).
>
> The dangers of using counters in stanza IDs and leaking information :)

Yes, quite. I meant to argue against generating UUIDs and otherwise using a
lot of entropy, and got carried away - but a random key and hmaccing a
counter should be okay.

Point being, if the stanza id attribute is causing us a problem, that can
be fixed in compatible ways.

>
> /K
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