Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread Alan DeKok
On Mar 11, 2020, at 9:38 AM, John Mattsson wrote: > What does "avoid having multiple EAP types" refer to? > > Does this mean you would like to avoid "EAP-TLS (certs), and another for > EAP-TLS (everything else)", even If you can accept it That's fine. > Or are you saying that you want to avo

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread John Mattsson
hat you want to avoid EAP-TLS (cert), EAP-TLS (psk), EAP-TLS (pwd), etc John -Original Message- From: Alan DeKok Date: Wednesday, 11 March 2020 at 12:26 To: John Mattsson Cc: Russ Housley , Mohit Sethi M , EMU WG Subject: Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread Alan DeKok
On Mar 11, 2020, at 9:03 AM, Owen Friel (ofriel) wrote: > > Alan, > How should we interpret this in RFC 5216 > https://tools.ietf.org/html/rfc5216#section-2.1.1: ... > Does this statement pretty much precludes the certificateless TLS 1.2 > ciphersuites, i.e. the extern PSK ones from right?

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread Owen Friel (ofriel)
WG Subject: Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13 On Mar 11, 2020, at 4:01 AM, John Mattsson wrote: > > If I remember correctly, Bernard stated that the indroduction of PSK could > weaken the implementation and violate the security proofs of EAP-TLS. I don't

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread Alan DeKok
On Mar 11, 2020, at 4:01 AM, John Mattsson wrote: > > If I remember correctly, Bernard stated that the indroduction of PSK could > weaken the implementation and violate the security proofs of EAP-TLS. I don't > really agree with Bernard, but I am fine with resticting the type code 0x0D > to c

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread Mohit Sethi M
everything that TLS 1.3 supports) > > I sympatise with earlier comments in the group that EAP should mostly be a > transport for TLS and that the decisions of which authentication methods to > support should be taken by the TLS WG. > > Cheers, > John > > -----Original

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-11 Thread John Mattsson
mostly be a transport for TLS and that the decisions of which authentication methods to support should be taken by the TLS WG. Cheers, John -Original Message- From: Russ Housley Date: Tuesday, 10 March 2020 at 18:48 To: Mohit Sethi M Cc: John Mattsson , EMU WG Subject: Re: [Emu] Late

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-10 Thread Russ Housley
Thanks for the pointer. I am fine with the proposed way forward. Russ > On Mar 10, 2020, at 12:43 PM, Mohit Sethi M > wrote: > > Hi Russ, > > You can listen here: https://youtu.be/YJLG4JUftqI?t=1144 > > We plan to support it in EAP-TLS-PSK instead: > https://tools.ietf.org/html/draft-matt

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-10 Thread Mohit Sethi M
Hi Russ, You can listen here: https://youtu.be/YJLG4JUftqI?t=1144 We plan to support it in EAP-TLS-PSK instead: https://tools.ietf.org/html/draft-mattsson-emu-eap-tls-psk-00. We have already added a reference to draft-ietf-tls-tls13-cert-with-extern-psk and plan to use it. I think using an ext

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-10 Thread Russ Housley
I do not understand the reason for Bernard's objection. I looked at the minutes, and I do not find any rationale there. Can you help? Russ > On Mar 9, 2020, at 5:59 AM, John Mattsson wrote: > > Hi Russ, > > Sorry for the late reply. I actually brought up your draft > [ID-ietf-tls-tls13-ce

Re: [Emu] Late WGLC Comment on draft-ietf-emu-eap-tls13

2020-03-09 Thread John Mattsson
Hi Russ, Sorry for the late reply. I actually brought up your draft [ID-ietf-tls-tls13-cert-with-extern-psk] during my EMU presentation at IETF 106 as something that should probably be in EAP-TLS. Bernard Aboba then expressed a very strong opinion that [ID-ietf-tls-tls13-cert-with-extern-psk] s