[Standards-JIG] XEP-0027 (PGP) non-empty body constraint

Peter Saint-Andre stpeter at jabber.org
Mon Nov 27 19:17:32 UTC 2006


Remko Tronçon wrote:
> Hi,
> 
> A few months ago, I posted a suggestion to the list to remove the
> following clause from XEP-0027 (Current Jabber OpenPGP Usage):
> 
> "Because signing requires a block of text, it creates new restrictions
> on the <presence/> and <message/> stanzas:
> * A <presence/> stanza MUST have a <status> element containing XML
> character data.
> * A <message/> stanza MUST have a <body> element containing XML
> character data.
> These requirements are necessary so that there is always common text
> to sign and verify against."
> 
> My argument was that an empty string is also a signable string. I
> didn't get any replies on that post, so can I assume that changing
> this in the XEP is ok ?

If an empty string is signable using your preferred openpgp library or
in all such libraries, then I agree we don't need the restriction.

Peter

-- 
Peter Saint-Andre
Jabber Software Foundation
http://www.jabber.org/people/stpeter.shtml

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