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Re: AW: new RetrievalMethod section

From: Donald E. Eastlake 3rd <dee3@torque.pothole.com>
Date: Thu, 24 Aug 2000 08:17:45 -0400
Message-Id: <200008241217.IAA26459@torque.pothole.com>
To: "Gregor Karlinger" <gregor.karlinger@iaik.at>
cc: "Donald Eastlake" <lde008@dma.isg.mot.com>, <w3c-ietf-xmldsig@w3.org>

Hummm, perhaps I copied Reference a bit too blindly...  You could have
a case where the location of the keying material was implied by the
application, but in that case, there is really no reason to bother
with a RetrievalMethod element at all...  We can talk about this on
today's teleconference.

Thanks,
Donald

From:  "Gregor Karlinger" <gregor.karlinger@iaik.at>
Resent-Date:  Thu, 24 Aug 2000 04:00:14 -0400 (EDT)
Resent-Message-Id:  <200008240800.e7O80Eu15329@www19.w3.org>
To:  "Donald Eastlake" <lde008@dma.isg.mot.com>, <w3c-ietf-xmldsig@w3.org>
Date:  Thu, 24 Aug 2000 10:00:31 +0200
Message-ID:  <NDBBIMACDKCOPBLEJCCDOEPACJAA.gregor.karlinger@iaik.at>

>Hello Don,
>
>>    Schema Definition:
>>
>>    &lt;element name='RetrievalMethod'&gt;
>>      &lt;complexType content='elementOnly'&gt;
>>        &lt;element ref='ds:Transforms' minOccurs='0' maxOccurs='1'/&gt;
>>        &lt;attribute name='URI' type='uriReference' use='optional'/&gt;
>>        &lt;attribute name='Type' type='uriReference' use='optional'/&gt;
>>      &lt;/complexType&gt;
>>    &lt;/element&gt;
>
>How can the verifier locate the keying info referred to by the
>RetrievalMethod,
>if the URI attribute is missing? The syntax allows such a case, since the
>attribute is declared optional.
>
>Thanks, Gregor
>---------------------------------------------------------------
>Gregor Karlinger
>mailto://gregor.karlinger@iaik.at
>http://www.iaik.at
>Phone +43 316 873 5541
>Institute for Applied Information Processing and Communications
>Austria
>---------------------------------------------------------------
Received on Thursday, 24 August 2000 08:15:00 GMT

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