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Subject: RE: [ebxml-msg] Investigation Required: Trusted Timestamp

I have looked at Internet X.509 Public Key Infrastructure Time-Stamp
Protocol (TSP)

But I haven't seen anyone saying how or whether SOAP based
communications makes use of
(or more likely reinvents) the above service.

WSS does have a time stamp element, but I don't think it is geared to
provide independent assurance that data existed before a given time like
RFC 3161 does.

Should we reference RFC 3161? Maybe ask WSS TC if they plan on taking
this topic up sometime? 
Anyway I don't think there is any standard that has a lot of traction
yet. Google showed that
there could be some products out there that provide RFC 3161 support.

-----Original Message-----
From: Matthew MacKenzie [mailto:mattm@adobe.com] 
Sent: Thursday, May 20, 2004 6:04 AM
To: ebxml-msg@lists.oasis-open.org
Subject: [ebxml-msg] Investigation Required: Trusted Timestamp

2.0 says: 

"At the time of this specification, services offering trusted timestamp
capabilities are becoming available. Once these become more widely
available, and a standard has been defined for their use and expression,
these standards, technologies and services will be evaluated and
considered for use in later versions of this specification." 

3.0 should say: 

Matthew MacKenzie 
Senior Architect 
IDBU Server Solutions 
Adobe Systems Canada Inc. 
+1 (506) 871.5409 

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