[TLS] RE: Last call comments for draft-santesson-tls-(ume-04, supp-00)

Stefan,

Thanks for the clarification. Please include text about this 
in the draft as well.

Best regards,
Pasi 

> -----Original Message-----
> From: ext Stefan Santesson [mailto:stefans@microsoft.com] 
> Sent: 04 April, 2006 02:08
> To: Russ Housley; Eronen Pasi (Nokia-NRC/Helsinki)
> Cc: tls@ietf.org
> Subject: RE: Last call comments for 
> draft-santesson-tls-(ume-04,supp-00)
> 
> Sometimes it is sufficient to specify the domain as the user name is
> provided by the cert but that cert is used to access multiple accounts
> in different domains. In other cases the full name@domain is needed.
> 
> We chose to provide for both alternatives using the same hint type.
> This works well and I would prefer to keep it that way.
> 
> 
> Stefan Santesson
> Program Manager, Standards Liaison
> Windows Security
> 
> 
> > -----Original Message-----
> > From: Russ Housley [mailto:housley@vigilsec.com]
> > Sent: den 3 april 2006 17:10
> > To: Pasi.Eronen@nokia.com; Stefan Santesson
> > Cc: tls@ietf.org
> > Subject: RE: Last call comments for
> draft-santesson-tls-(ume-04,supp-00)
> > 
> > Pasi:
> > 
> > My comments were with respect to the user_principal_name within the
> > UpnDomainHint.  Sorry for being ambiguous.
> > 
> > Russ
> > 
> > 
> > >Russ Housley wrote:
> > > >
> > > > Pasi:
> > > >
> > > > >4) tls-ume: Would it make sense to define two UserMappingData
> types,
> > > > >    one for "user@domain" and another one for just "domain",
> instead
> > > > >    of combining them in one type?
> > > >
> > > > I do not think so.  The name is user@domain.  It would be
> meaningless
> > > > if only user was present, and t would me meaningless if only
> domain
> > > > was present.
> > >
> > >I don't know if it's meaningless or not, but the current draft does
> > >say that
> > >
> > >    The UpnDomainHint MUST at least contain a non empty
> > >    user_principal_name or a non empty domain_name. The 
> UpnDomainHint
> > >    MAY contain both user_principal_name and domain_name.
> > >
> > >In other words, one of the fields can be empty. And since the
> > >user_principal_name field is of the form "user@domain",
> > >it looks like the UpnDomainHint structure can actually contain
> > >two _different_ domain names. In other words, the spec does
> > >allow things like:
> > >
> > >   UserMappingData {
> > >     user_mapping_version = upn_domain_hint(0)
> > >     UpnDomainHint {
> > >       user_principal_name = "foo@example.com"
> > >       domain_name = "bar.example.net"
> > >     }
> > >   }
> > >
> > >But the draft currently does not explain what this would mean,
> > >or what the domain-name-only hints are (perhaps they're 
> "Host Mapping
> > >Data" for host certificates instead of user certs, or something).
> > >This needs to be clarified.
> > >
> > >Best regards,
> > >Pasi
> 
> 

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