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Re: ISSUE-48 (DerivedKeyType): No support for derived keys in XML Dsig, XML Enc [Rqmts (XML Signature and Canonicalization V Next Requirements)]

From: Frederick Hirsch <frederick.hirsch@nokia.com>
Date: Thu, 28 Aug 2008 10:37:59 -0400
Message-Id: <8DB00ABB-9DDC-48DC-B65B-452E4E5E0CA9@nokia.com>
Cc: Frederick Hirsch <frederick.hirsch@nokia.com>, XML Security Working Group Issue Tracker <sysbot+tracker@w3.org>, public-xmlsec@w3.org
To: "ext Thomas Roessler" <tlr@w3.org>


regards, Frederick

Frederick Hirsch

On Aug 28, 2008, at 10:05 AM, ext Thomas Roessler wrote:

> On 2008-08-28 12:09:47 +0000, XML Security Working Group Issue  
> Tracker wrote:
>> Neither XML DSig or XML Enc supports the concept of derived keys.
>> There are several cases when this lack of support is an issue. For
>> example, when encryption or message authentication is based on
>> passwords. Another example is when a master key is all that is shared
>> between communicating parties and avoidance of using this master key
>> for direct protection is desired.
>> A separate email will provide an analysis of the use of derived
>> keys in some existing WS * specifications, and compare the
>> functionality in those specification with an alternative, based
>> on a set of requirements.
> On an editorial note, it strikes me that it might be useful to have
> a section on algorithm and keying requirements in the requirements
> and design document, encompassing both Encryption and Signature.
> -- 
> Thomas Roessler, W3C  <tlr@w3.org>
Received on Thursday, 28 August 2008 14:39:18 UTC

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