[Standards] Proposed XMPP Extension: Extensible SASL Profile

Evgeny Khramtsov xramtsov at gmail.com
Thu Feb 9 08:58:12 UTC 2017


Thu, 9 Feb 2017 08:40:49 +0000
Dave Cridland <dave at cridland.net> wrote:

> 3) <authenticate mechanism="EXTERNAL"/><!-- (or the long-hand form
> with both opening and closing tags) - no initial response, so the
> server will respond with an empty string challenge - encoded as
> <challenge>=</challenge> -->

I still do not understand, what's the point in sending
<challenge>=</challenge>?


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