Re: [Emu] Resolution for TEAP Errata 5128

2023-01-09 Thread Alexander Clouter
On Mon, 9 Jan 2023, at 14:11, Heikki Vatiainen wrote: >> On a related note, whilst we are here, it does raise the question on how we >> got: >> >> "...the length is 64 octets..." and "First 32 octets of TLS-PRF(...)" >> >> The '0x00 || 0x40' (64 network order 16bit length concatenation) looks

Re: [Emu] Resolution for TEAP Errata 5128

2023-01-09 Thread Heikki Vatiainen
On Mon, 9 Jan 2023 at 10:57, Alexander Clouter wrote: Problem is this section has the instruction "generate 64 bytes, use the > first 32..." and after personally getting tripped up[1] on the different > though used with TLS-Exporter which for TLSv1.3 now generates wildly > different outputs

Re: [Emu] Resolution for TEAP Errata 5128

2023-01-09 Thread Alexander Clouter
On Mon, 9 Jan 2023, at 03:34, Joseph Salowey wrote: > The definition of the TLS-PRF is given in 5246 as: > > PRF(secret, label, seed) = P_(secret, label | seed) > > This construction only defines 3 parameters and does not define a length. I > don't think current implementations include the

[Emu] Resolution for TEAP Errata 5128

2023-01-08 Thread Joseph Salowey
I think we still have an open issue with 5128. The following resolutions differ from what is currently in RFC7170bis. Please review the text changes below and indicate if it aligns with implementation and discussion. Thanks, Joe The definition of the TLS-PRF is given in 5246 as: PRF(secret,

[Emu] Resolution of TEAP Errata 5127

2023-01-08 Thread Joseph Salowey
According to the discussion in the interim last week and previous discussions the resolution of errata 5127 should be as below. Please review the text change below and indicate if it aligns with discussion and implementation. It is intended that it matches the current draft of RFC7170bis draft

Re: [Emu] Resolution of TEAP Errata 5767

2020-10-22 Thread Oleg Pekar
The proposal is aligned with previously discussed. One small wording I would change is: Section 4.2.13 says: It MUST be included with the Intermediate-Result TLV to perform cryptographic binding after each successful EAP authentication method in a sequence of >>>one or more<<< EAP methods, before

Re: [Emu] Resolution of TEAP Errata 5767

2020-10-21 Thread Jorge Vergara
I agree with all the proposed resolutions. For context, there was some prior discussion of this errata here: https://mailarchive.ietf.org/arch/msg/emu/K_XWBMevKNdxdWskK8RkBt1ZpSQ/ Jorge Vergara From: Joseph Salowey Sent: Wednesday, October 21, 2020 5:13 PM To: EMU WG ; Jouni Malinen ; Jorge

[Emu] Resolution of TEAP Errata 5767

2020-10-21 Thread Joseph Salowey
Errata 5767: https://www.rfc-editor.org/errata/eid5767 Status: Verified Revision: Section 3.3.1 says: EAP method messages are carried within EAP-Payload TLVs defined in Section 4.2.10. If more than one method is going to be executed in the tunnel, then upon method completion, the

[Emu] Resolution of TEAP Errata

2020-10-21 Thread Joseph Salowey
I'll be posting proposed errata revisions for a short, 1 week, final review before sending it off to the Area Director (Roman) who has the responsibility of the final action. For more information how errata are handled and the please see [1]. Please take a little time to review the errata