Hi Jouni and all,
Getting back to 7170 errata.
You wrote:
> 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 server MUST send an
>Intermediate-Result TLV indicating the result.
>
> It should say:
>
>EAP method messages are carried within EAP-Payload TLVs defined in
>Section 4.2.10. Upon method completion, the server MUST send an
>Intermediate-Result TLV indicating the result.
>
> Notes:
>
> Description of whether Intermediate-Result TLV is supposed to be used in the
> case where only a single inner EAP authentication method is used. Section
> 3.3.1 says "more than one method is going to be executed in the tunnel, then
> upon method completion, the server MUST send an Intermediate-Result TLV
> indicating the result", Section 3.3.3 says "The Crypto-Binding TLV and
> Intermediate-Result TLV MUST be included to perform cryptographic binding
> after each successful EAP method in a sequence of one or more EAP methods",
> 4.2.13 says "It MUST be included with the Intermediate-Result TLV to perform
> cryptographic binding after each successful EAP method in a sequence of EAP
> methods", Annex C.3 shows an example exchange with a single inner EAP
> authentication method with use of Intermediate-Result TLV.
>
> It looks like the majority of the places discussion this topic implies that
> there is going to be an Intermediate-Result TLV after each inner EAP
> authentication method and the text in 3.3.1 is the only clear case of
> conflicting (or well, at least misleading if one were to claim it does not
> explicitly say MUST NOT for the one inner EAP authentication method case). As
> such, I'd conclude the Intermediate-Result TLV is indeed going to be
> exchanged after each EAP authentication method and the proposed text change
> to 3.3.1 covers that.
>
>
Given the example in Section C.3, odd as it seems, is there any reason not to
accept this erratum?
Eliot
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