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RE: [ubl-tsc] [Fwd: [ubl-psc] Proposal for a signature refenrence]

  • 1.  RE: [ubl-tsc] [Fwd: [ubl-psc] Proposal for a signature refenrence]

    Posted 09-29-2005 07:00 
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    Subject: RE: [ubl-tsc] [Fwd: [ubl-psc] Proposal for a signature refenrence]
    







    



    







    


    Hi Peter, Tim,
    


    Sorry for the late response. We have
reviewed the proposal for signature reference. Below is our comment:-
    


     
    


      
 
    1. The signature reference calls
     for the usage of detached signature. This would be useful in scenario
     where binary data is involved and where the referenced signature is always
     available and accessible via the specified URL
      2. 
 
    2. Both ebXML messaging service
     and COML however uses the enveloped approach, wherein the digital
     signature (digsig) is embedded inside the message itself. In the case of
     COML, XPath is being used to reference the appropriate section of the
     payload that needs the digsig. This is a preferred approach where we need
     to perform online verification of digsig. Hence, there will not be a need
     to make reference to an external resource, which may not be available at
     the time when the digsig verification is being performed. This reduces the
     possibility of digsig failure.
      3. 

    


     
    


    We would urge that you study the COML
approach in handling digsig for XML payload.
    


     
    


    Regards
    


    Kama
    


    UBL TSC Chair
    


     
    


     
    


    -----Original
Message-----
    
From: Tim McGrath
[mailto:tmcgrath@portcomm.com.au]
    
Sent:     Tuesday, September 13, 2005 9:06 PM
    
To: ubl-tsc@lists.oasis-open.org
    
Subject: [ubl-tsc] [Fwd: [ubl-psc]
Proposal for a signature refenrence]
    


     
    


    forwarded from Peter
Borresen. 

    
this is a sample isnatcen of his propsoed digital signature approach.  can
we get some technical feedback on the suitability of this for our needs.

    

    
                                                
    
					
                                                    

        
                                                
				
    
                                                
    
                                                    
                                                
    
                                                
                                            
    
                                        

                                        
                                        

                                    
			

                                    
                                

                                
                                
    
                                
    
                            
		
                
        
    




            
        
    


	
    


    
    
         
    
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