Re: [office] Extended conforming packages and manifest:algorithm-name

[Michael Brauer - Sun Germany - ham02 - Hamburg <Michael.Brauer@Sun.COM>]

Hi Rob, all,

That's a good point. Does that mean we shall keep the extended 
conforming package class? That would actually work for me.

If we keep it, shall it allow other compression algorithms than deflate 
(see http://tools.oasis-open.org/issues/browse/OFFICE-2532)? Unlike 
encryption algorithms, these algorithms would not add a real value. My 
suggestion therefore is that we only allow DEFLATE (and of course 
STORED) even for extended conforming documents. Are there objections to 
this?

Best regards

Michael,



On 05/04/10 21:14, robert_weir@us.ibm.com wrote:
> We recently discussed removing the "extended" conformance clause for 
> packages.  This was in :  
> http://tools.oasis-open.org/issues/browse/OFFICE-2257
> 
> I think the idea was it was only used when there were additional files in 
> the document beyond those defined by ODF.
> 
> However, I found another place where "extended" conformance is triggered. 
> Part 3, Section 3.8.1 defines the allowed values of the 
> manifest:algorithm-name attribute, and says:
> 
> "The IRI of an alternative algorithm as specified in §5.1 of 
> [xmlenc-core]. Alternative algorithms may be specified by extended 
> conforming documents only. They shall not be specified by conforming 
> documents."
> 
> So if we eliminate the extended package distinction, then we allow 
> conforming documents to be encrypted using proprietary algorithms, which I 
> think goes against the interoperability benefits we were trying to foster 
> by making the extended/non-extended distinction.
> 
> I don't think I'm in favor of this change.
> 
> Anyone want to argue otherwise?
> 
> -Rob
> 
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Michael Brauer, Technical Architect Software Engineering
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