[Security] Re: e2e feedback

Peter Saint-Andre stpeter at jabber.org
Fri Mar 16 22:08:39 CDT 2007

Mridul wrote:
> Peter Saint-Andre wrote:
>> Matthias Wimmer wrote:
>>> But still I keep saying that the protocol we are looking for is XML
>>> Signature and XML Encryption, that have been defined by the W3C.
>>> http://www.w3.org/Signature/
>>> http://www.w3.org/Encryption/2001/
>>> This are standards specially made to sign and encrypt XML data, so it is
>>> exactly what we need. And even while I asked on the standards JID, 
>>> nobody
>>> could yet tell me, what would be a problem with this standards. 
>> FWIW, Peter Guttmann has some piquant things to say about 
>> xmlenc/xmldsig here:
>> http://www.cs.auckland.ac.nz/~pgut001/pubs/xmlsec.txt
>> Though he also thinks that RFC 3923 was a great idea, so YMMV...
>> /psa
> I always considered 3923 a pretty decent idea since it was practical ... 

Practical, other than the PKI dependency (or can you use self-signed 
certificates?) and the CPIM usage (which developers hate, there are no 
CPIM parsers) and the MIME stuff (very much not jabberish). As someone 
once said, S/MIME is the only known security technology with more 
implementations than users. :)

> xml security related specs have always been a mess to implement (reminds 
> me a lot of the SOAP bloat).

Ick yes.

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