[Standards] XEP-0234: Denote used hash function in session-initiate

Philipp Hancke fippo at goodadvice.pages.de
Mon Aug 21 14:20:18 UTC 2017


> What do you think?

+1 -- this was actually the intent of adding <hash/> during 
session-initiate in 0.16. But the wording of this is a bit weird:

   One or more <hash/> elements MUST be present when offering a file, but
   those elements MAY be empty if the hash has not yet been computed. If
   there is no computed hash value, the <hash/> element(s) MUST possess
   an 'algo' attribute specifying which hash algorithm will be used
which might be interpreted as "include <hash/>".

drive-by nit: that paragraph links to #checksum which got renamed to #hash

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