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RE: The location of <xenc:KeyDerivationMethod>

From: Magnus Nystrom <mnystrom@microsoft.com>
Date: Wed, 10 Mar 2010 03:55:06 +0000
To: "MURATA Makoto (FAMILY Given)" <eb2m-mrt@asahi-net.or.jp>, "public-xmlsec@w3.org" <public-xmlsec@w3.org>
Message-ID: <D744D68428430B4F9C81DE8A4D595068070D29DA@TK5EX14MBXW604.wingroup.windeploy.ntdev.microsoft.com>
It shall not be present. So, for clarity, maybe we should add (at the end of the first paragraph for the legacy DH):

"Note that no <xenc:KeyDerivationMethod> element shall be present when using this algorithm."

Thanks,
-- Magnus

> -----Original Message-----
> From: public-xmlsec-request@w3.org [mailto:public-xmlsec-request@w3.org]
> On Behalf Of MURATA Makoto (FAMILY Given)
> Sent: Tuesday, March 09, 2010 4:12 AM
> To: public-xmlsec@w3.org
> Cc: Murata
> Subject: Re: The location of <xenc:KeyDerivationMethod>
> 
> > Makoto's question is valid, but I am not sure if we need to address it
> >at this point since I would expect that the definition of a any new key
> >agreement method (that requires specific params - note that neither
> >ECDH nor DH does this)  would specify how and where to place its params.
> 
> When Algorithm = "http://www.w3.org/2001/04/xmlenc#dh" , does the
> KeyDerivationMethod element follow or precede the DigestMethod element?
> Or, is it disallowed?
> 
> 
> Cheers,
> Makoto
> 
Received on Wednesday, 10 March 2010 03:56:03 GMT

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