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RE: New proposed fix for here()

From: John Boyer <jboyer@PureEdge.com>
Date: Tue, 22 Aug 2000 10:18:42 -0700
To: "TAMURA Kent" <kent@trl.ibm.co.jp>, <w3c-ietf-xmldsig@w3.org>
Hi Kent,

The problem with here() has been fixed in the new transform processing
model, to be posted shortly (stay tuned!).

John Boyer
Development Team Leader,
Distributed Processing and XML
PureEdge Solutions Inc.
Creating Binding E-Commerce
v: 250-479-8334, ext. 143  f: 250-479-3772
1-888-517-2675   http://www.PureEdge.com <http://www.pureedge.com/>

-----Original Message-----
From: w3c-ietf-xmldsig-request@w3.org
[mailto:w3c-ietf-xmldsig-request@w3.org]On Behalf Of TAMURA Kent
Sent: Tuesday, August 22, 2000 12:39 AM
To: w3c-ietf-xmldsig@w3.org
Subject: Re: New proposed fix for here()

In message "Re: New proposed fix for here()"
    on 00/08/17, "Donald E. Eastlake 3rd" <dee3@torque.pothole.com> writes:
> I believe there is a desire from eCheck and presumably similar
> protocols to be able to sign things relative to where the signature
> element is.  This relates to composite documents formed from
> pre-existing XMLD documents where you can't depend on using IDs
> because they might conflict in the documents combined to make the
> composite result.


The problem is only for a reference to the signature itself.
So, how about adding another Reference element?
For instance,

<!ELEMENT SelfReference (Transforms?, DigestMethod, DigestValue)>
  <!-- The same content as Reference -->
<!ATTLIST SelfReference
          OmitSignature (all|this) #IMPLIED
          XPath  CDATA #IMPLIED
          Id     ID    #IMPLIED
          Type   CDATA #IMPLIED >

- Remove enveloped-signature transofrm
- here() is available only in XPath attribute, and removed from XPath
- Reference is not changed.

(I guess this is an incomplete proposal)

TAMURA Kent @ Tokyo Research Laboratory, IBM
Received on Tuesday, 22 August 2000 13:19:00 UTC

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