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Subject: AW: [ws-sx] Issue 27: When to include a token?
Regarding the WSS 1.0 section 7.4 you are right. The WSS 1.0 X.509 token profile restricts token references to: - Subject Key Identifier - Direct reference using a URI - Issuer and Serial number IMHO the profile description takes precedence. Regards, Werner > -----Ursprüngliche Nachricht----- > Von: Martin Gudgin [mailto:mgudgin@microsoft.com] > Gesendet: Montag, 20. Februar 2006 02:39 > An: Dittmann, Werner; Marc Goodner; ws-sx@lists.oasis-open.org > Betreff: RE: [ws-sx] Issue 27: When to include a token? > > I looked at WSS 1.0[1] and section 7.4 seems to describe a > mechanism for embedded *any* token type. By my reading of > that section, an embedded X509 cert would look something like; > > <wsse:SecurityTokenReference> > <wsse:Embedded> > <wsse:BinarySecurityToken ValueType='wsse:X509v3' > EncodingType='wsse:Base64Binary' > > ... > </wsse:BinarySecuirtyToken> > </wsse:Embedded> > </wsse:SecurityTokenReference> > > Gudge > > [1] > http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-m > essage-security-1.0.pdf > > > -----Original Message----- > > From: Dittmann, Werner [mailto:werner.dittmann@siemens.com] > > Sent: 16 February 2006 00:15 > > To: Martin Gudgin; Marc Goodner; ws-sx@lists.oasis-open.org > > Subject: AW: [ws-sx] Issue 27: When to include a token? > > > > Some comments inline. > > > > Regards, > > Werner > > > > > -----Ursprüngliche Nachricht----- > > > Von: Martin Gudgin [mailto:mgudgin@microsoft.com] > > > Gesendet: Dienstag, 14. Februar 2006 23:55 > > > An: Marc Goodner; Dittmann, Werner; ws-sx@lists.oasis-open.org > > > Betreff: RE: [ws-sx] Issue 27: When to include a token? > > > > > > Comments inline > > > > > > Cheers > > > > > > Gudge > > > > > > > -----Original Message----- > > > > From: Marc Goodner [mailto:mgoodner@microsoft.com] > > > > Sent: 09 February 2006 20:43 > > > > To: Dittmann, Werner; ws-sx@lists.oasis-open.org > > > > Subject: [ws-sx] Issue 27: When to include a token? > > > > > > > > This is now logged as issue 27. > > > > > > > > Marc Goodner > > > > Technical Diplomat > > > > Microsoft Corporation > > > > Tel: (425) 703-1903 > > > > Blog: http://spaces.msn.com/mrgoodner/ > > > > > > > > > > > > -----Original Message----- > > > > From: Dittmann, Werner [mailto:werner.dittmann@siemens.com] > > > > Sent: Thursday, February 09, 2006 12:12 AM > > > > To: ws-sx@lists.oasis-open.org > > > > Cc: Marc Goodner > > > > Subject: NEW Issue: When to include a token? > > > > > > > > PLEASE DO NOT REPLY TO THIS EMAIL OR START A DISCUSSISON > > > THREAD UNTIL > > > > THE ISSUE IS ASSIGNED A NUMBER. > > > > > > > > The issues coordinators will notify the list when that > > has occurred. > > > > > > > > Protocol: ws-sp > > > > ws-securitypolicy-1.2-spec-ed-01-r03-diff.pdf > > > > > > > > Artifact: spec > > > > > > > > Type: design > > > > > > > > Title: When to include a token? > > > > > > > > Description: > > > > > > > > Using token inclusion values (chap 5.1.1) one can > specify when to > > > > include a token. On the other hand in chap 5.3.3 > > X509Token Assertion > > > > there are ways defined how to reference a X509 token. > For example > > > > if "RequireIssuerSerialReference" is set and the > > inclusion value is > > > > "always": shall the token be included in the message? > Which token > > > > shall the receipient take - the included one or the referenced? > > > > > > [MJG] > > > I believe that inclusion requirements and reference > requirements are > > > orthogonal. In your example above, I would expect the X509 > > cert to be > > > carried in the message and for its IssuerSerial to match > that in the > > > IssuerSerial in any referencing STR. > > > > [WD] > > CAn agree. However, we had such a use case during some > discussions on > > the WS Security list (and we actually had code in place > that provided > > such a mechanism) but somehow the discussion showed that this usage > > should be avoided (can't remember the reasons for it, it's > > about 1 year > > ago). > > > > > > > > > > With respect to the WS Security specification I interpret the > > > > inclusion value "always*" or "once" without any additional > > > "Require*" > > > > assertion as "include the token as a BinarySecurityToken > > > and reference > > > > it using a Reference in the SecruityTokenReference". Is > > > this a correct > > > > interpretation? > > > > > > [MJG] > > > Include the token in the message and reference it using a Direct > > > Reference from the STR (e.g. reference to a wsu:Id in the > > case of, for > > > example, a Username token ). > > > > > > > > > > > Also, with respect to WSS how to interpret or act on the > > > > RequireEmbeddedRefernce assertion? WSS does not specify an > > > "embedded" > > > > mechanism for X509 certificates. > > > > > > [MJG] > > > I thought embedded was defined as the token appearing > > verbatim inside > > > wsse:Embedded inside wsse:SecurityTokenReference but > > perhaps my memory > > > is faulty. > > > > > [WD] Yes, some time ago in the first draft specs of WS > > Security there was > > an identifier for such a behaviour. The current versions > > don't support that > > any more, AFAIK. > > > > > > > > > > Related issues: > > > > none > > > > > > > > Proposed Resolution: > > > > > > > > Clarify behaviour of the "token inclusion" and "token reference" > > > > interworking to avoid misinterpretations and probable interop > > > > problems. > > > > > > > > > > > > Werner Dittmann > > > > Siemens COM MN CC BD TO > > > > mailto:Werner.Dittmann@siemens.com > > > > Tel: +49(0)89 636 50265 > > > > Mobil: +49(0)172 85 85 245 > > > > > > > > > >
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