Hi Charles,

> -----Ursprüngliche Nachricht-----
> Von: Charles Clancy [mailto:[EMAIL PROTECTED] 
> Gesendet: Donnerstag, 26. Oktober 2006 18:45
> An: Bernard Aboba
> Cc: [email protected]
> Betreff: RE: [Emu] Tying EAP-TLS method type to specific ciphersuites
> 
> So, it sounds like defining an EAP type code for EAP-TLS with non-PKI
> ciphersuites sounds like the best way to go.  Would it be 
> appropriate to
> have IANA allocate a new EAP type code with 2716bis, or have 
> a seperate
> document discussing EAP-TLS with TLS-PSK ciphersuites?

A separate document is needed since the security properties are different.
You need to describe them somewhere. 

Example:
draft-otto-emu-eap-tls-psk-01.txt

For some other ciphersuites you even need todo more. 
Example: A Kerberos based TLS ciphersuite

Ciao
Hannes


> 
> -- 
> t. charles clancy, ph.d.  <>  [EMAIL PROTECTED]  <>  www.cs.umd.edu/~clancy
> 
> 
> On Mon, October 23, 2006 9:07 pm, Bernard Aboba wrote:
> >>Should the split be EAP-TLS-v1 (PKI only) vs EAP-TLS-v2 
> (PKI and PSK)?
> >> Or
> >>EAP-TLS-PKI and EAP-TLS-PSK?  If we have both legacy issues 
> AND footprint
> >>issues, perhaps something like ...
> >
> > So far, we've talked about handling PSK support by creating 
> a new EAP
> > method
> > with a distinct name: "EAP-TLS-PSK".    That approach 
> enables embedded
> > devices to implement only PSK ciphersuites, reducing 
> footprint.   It also
> > avoids impacting the interoperability and security of 
> existing EAP-TLS
> > implementations.
> >
> > Given that EAP-TLS already supports PKI, I'm not sure why a 
> distinct EAP
> > method called "EAP-TLS-PKI" would be needed.
> >
> > Creating "versions" of EAP-TLS would potentially confuse 
> customers and
> > cause
> > problems with existing test suites and certification 
> programs.  Witness
> > the
> > confusion that was created by PEAP versioning, where PEAPv0 
> and PEAPv1 did
> > not interoperate.   So I'd stay away from versioning if at 
> all possible.
> >
> >
> >
> > _______________________________________________
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> > [email protected]
> > https://www1.ietf.org/mailman/listinfo/emu
> >
> 
> 
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