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Subject: Issue 118 - WS-Discovery - Add missing text for adding Algorithmsuite attribute in the expanded signature elements (editorial)


This issue is assigned the number 118. For further discussions on this issue, please refer to this issue number or use this thread.

 

From: Vipul Modi
Sent: Saturday, December 13, 2008 6:51 PM
To: Ram Jeyaraman
Subject: New Issue: WS-Discovery: Editorial - Add missing text for adding Algorithm suite attribute in the expanded signature elements

 

Specification: WS-Discovery

Issue & proposal:

The section 8.2 provides lists a step by step procedure to expand the compact signature to full signature. The compact signature uses fixed set of algorithms for canonicalization and signature computation. These algorithms are fixed and listed in Section 8.2 under the description of d:Security/d:Sig@Scheme.

 

In Step 2 the procedure describes creating the CanonicalizationMethod element and SignatureMethod element based on the fixed set of algorithms used by compact signature. The algorithm used for these element are specified by Algorithm attribute on these element. This is not specified in the current text. The proposal is to add the text that make this explicit.

 

Current Text

Populate the block with the appropriate canonicalization and algorithm blocks based on the scheme in d:Security/d:Sig/@Scheme.

·         First add a ds:CanonicalizationMethod element.

·         Next add a ds:SignatureMethod element.

 

Modified Text – added text in Red.

Populate the block with the appropriate canonicalization and algorithm blocks based on the scheme in d:Security/d:Sig/@Scheme.

·         First add a ds:CanonicalizationMethod element with Algorithm attribute set to http://www.w3.org/2001/10/xml-exc-c14n#.

·         Next add a ds:SignatureMethod element with Algorithm attribute value set to http://www.w3.org/2000/09/xmldsig#rsa-sha1.

 

Similar fix in one of the sub-bullet for Step 3.

Current Text:

Inside the ds:Reference element add a ds:DigestMethod element.

 

Modified Text – added text in Red:

Inside the ds:Reference element add a ds:DigestMethod element with Algorithm attribute set to http://www.w3.org/2000/09/xmldsig#sha1.



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