Re: [Emu] WGLC on draft-ietf-emu-rfc7170bis-11

2023-08-27 Thread Heikki Vatiainen
On Sat, 26 Aug 2023 at 21:13, Michael Richardson wrote: > > Heikki Vatiainen wrote: > > Test with Windows 11 and eapol_test - EAP-TLS followed by EAP-MSCHAPv2 > > Are you saying that Windows 11 also has implemented (accessible via > "insider > program" only)? > I think TEAP has been generally a

Re: [Emu] WGLC on draft-ietf-emu-rfc7170bis-11

2023-08-27 Thread Alexander Clouter
On Sun, 27 Aug 2023, at 10:57, Heikki Vatiainen wrote: > Weren't the observed differences against RFC 7170 one the main > reasons why the draft was needed? Exactly. In particular it was the use of the EAP-FAST-MSCHAPv2 key derivative (reversed upper/lower bits) that triggered this and the fun aro

Re: [Emu] I-D Action: draft-ietf-emu-rfc7170bis-13.txt

2023-08-27 Thread Heikki Vatiainen
On Fri, 25 Aug 2023 at 22:30, Eliot Lear wrote: > I agree with the sentiment, but I think it would be good for the words > to soak a bit, since the paragraphs are a little involved. There may be > a simpler way to say the same thing. > The diff between RFC 7170 and the current draft may help wit

Re: [Emu] I-D Action: draft-ietf-emu-rfc7170bis-13.txt

2023-08-27 Thread Alan DeKok
On Aug 27, 2023, at 10:42 AM, Heikki Vatiainen wrote: > The diff between RFC 7170 and the current draft may help with the proposed > change. I just noticed that 'EAP' was used more in the RFC than in the draft: Yes. 7170 referred to "inner EAP method" in many places, even when it mean "any

[Emu] Patch: revert some IMSK derivation changes

2023-08-27 Thread Heikki Vatiainen
RFC 7170 and the current draft have diverged in how IMSK is calculated. In short: 1. RFC 7170 pass EMSK to TLS-PRF whereas the draft passes both EMSK and MSK to TLS-PRF. 2. While RFC 7170 adjusts only MSK to 32 octet length, the draft adjusts both EMSK and MSK. See section 5.2 "Intermediate Compo

Re: [Emu] Patch: revert some IMSK derivation changes

2023-08-27 Thread Eliot Lear
Heikki This change looks good.  I want to code it with the PKCS ops to make sure it's okay.  That'll take a little bit. Eliot On 27.08.23 19:16, Heikki Vatiainen wrote: RFC 7170 and the current draft have diverged in how IMSK is calculated. In short: 1. RFC 7170 pass EMSK to TLS-PRF whereas