Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hokey-erp-aak-07
Stephen Farrell <stephen.farrell@cs.tcd.ie> Wed, 08 February 2012 13:30 UTC
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Date: Wed, 08 Feb 2012 13:30:06 +0000
From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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To: Qin Wu <bill.wu@huawei.com>
References: <4F2AA2F8.4010004@ericsson.com> <4F2AA5E2.2040106@cs.tcd.ie> <20857042-B4A9-4861-8AC2-5E7324DFEE16@huawei.com> <4F325F78.5070701@cs.tcd.ie> <E97BCF9E7A34470B9143D2F62222294A@china.huawei.com>
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Cc: miguel.a.garcia@ericsson.com, hokey@ietf.org
Subject: Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hokey-erp-aak-07
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Thanks Qin, I've put this on the Feb 16th telechat agenda. Miguel - if you could confirm the changes look ok that'd be good. If not, just comment on that here or on the gen-art list and we can handle it via a DISCUSS or COMMENT on the telechat. Thanks, S. On 02/08/2012 12:52 PM, Qin Wu wrote: > Hi, Stephen and all: > We have just done the update. Diff from previous version: > http://tools.ietf.org/rfcdiff?url2=draft-ietf-hokey-erp-aak-08 > > Would you like to go ahead? > > Regards! > -Qin > ----- Original Message ----- > From: "Stephen Farrell"<stephen.farrell@cs.tcd.ie> > To: "Tina TSOU"<Tina.Tsou.Zouting@huawei.com> > Cc:<miguel.a.garcia@ericsson.com>;<hokey@ietf.org> > Sent: Wednesday, February 08, 2012 7:41 PM > Subject: Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hokey-erp-aak-07 > > >> >> Hi, >> >> IETF LC is ended for this. >> >> I think the only comment I saw a gen-art review (is >> that right?) but that there are changes resulting from >> that so I've marked this as revised I-D needed. Please >> submit a -08 that includes the changes needed. (I'm not >> sure if any of those will require something different >> from IANA, but if they do please also respond to IANA's >> mail, cc'ing me, if their actions are changed.) >> >> As soon as we have that I can put this on an IESG >> telechat agenda, >> >> Thanks, >> Stephen. >> >> >> On 02/04/2012 07:21 PM, Tina TSOU wrote: >>> Good catch. Thank u, Miguel. >>> >>> Sent from my iPad >>> >>> On Feb 2, 2012, at 7:04 AM, "Stephen Farrell"<stephen.farrell@cs.tcd.ie> wrote: >>> >>>> >>>> FYI >>>> >>>> -------- Original Message -------- >>>> Subject: Gen-ART review of draft-ietf-hokey-erp-aak-07 >>>> Date: Thu, 2 Feb 2012 15:51:36 +0100 >>>> From: Miguel A. Garcia<Miguel.A.Garcia@ericsson.com> >>>> To: Zhen Cao<zehn.cao@gmail.com>, Hui Deng<denghui02@gmail.com>, sunseawq@huawei.com, Stephen Farrell<stephen.farrell@cs.tcd.ie> >>>> CC: General Area Review Team<gen-art@ietf.org> >>>> >>>> I have been selected as the General Area Review Team (Gen-ART) >>>> reviewer for this draft. For background on Gen-ART, please see the FAQ at >>>> <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq> >>>> >>>> Please resolve these comments along with any other comments you may receive. >>>> >>>> Document: draft-ietf-hokey-erp-aak-07 >>>> Reviewer: Miguel Garcia<miguel.a.garcia@ericsson.com> >>>> Review Date: 2011-01-02 >>>> IETF LC End Date: 2012-02-07 >>>> >>>> Summary: This draft is on the right track but has open issues, described >>>> in the review. >>>> >>>> Major issues: >>>> >>>> - None >>>> >>>> Minor issues: >>>> >>>> - The main problem I have with this draft is the lack of normative text >>>> (RFC 2119 reserved words) in relevant paragraphs. If interoperability is >>>> to be granted, an effort should be taken in adding quite a few more >>>> normative statements. >>>> >>>> However, having said that, the section where I find more that there >>>> should be more normative text, is Section 3, which is an "Overview" >>>> section. In general, an overview section should use descriptive, but not >>>> normative text. >>>> >>>> For example, take the last paragraph in Page 5 (that continues to Page >>>> 6). One possible change is to make normative the text and move it outside >>>> a section whose title is "Overview". >>>> >>>> Upon receiving the message, the ERP/AAK server MUST first use the >>>> keyName indicated in the keyName-NAI to look up the rIK and MUST >>>> check the integrity and freshness of the message. Then the ERP/AAK >>>> server MUST verify the identity of the peer by checking the username >>>> portion of the KeyName-NAI. If any of the checks fail, the server >>>> MUST send an early- authentication finish message (EAP-Finish/Re-auth >>>> with E-flag set) with the Result flag set to '1'. Next, the server >>>> MUST authorize the CAP specified in the CAP-Identifier TLV. In >>>> success case, the server MUST derive a pMSK from the pRK for each CAP >>>> carried in the the CAP-Identifier field using the sequence number >>>> associated with CAP-Identifier as an input to the key derivation. >>>> (see d. in the figure 1). >>>> >>>> Then the ERP/AAK server MUST transport the pMSK to the authorized CAP >>>> via AAA Section 7 as described in figure 2 (see e.1,e.2 in the figure >>>> 2). Note that key distribution in the figure 2 is one part of step d. >>>> in the figure 1. >>>> >>>> The the last paragraph in Section 3 also contains an "Optionally", which >>>> I believe should be replaced with a capitalized "OPTIONAL" >>>> >>>> Another instance: towards the end of Section 5.2, the text reads: >>>> >>>> HMAC-SHA256-128 is mandatory to implement and should be enabled in >>>> the default configuration. >>>> >>>> and should probably be: >>>> >>>> HMAC-SHA256-128 is REQUIRED to be implemented and SHOULD be enabled in >>>> the default configuration. >>>> >>>> Similarly, the last paragraph in Section 5.2 reads: >>>> >>>> If the EAP-Initiate/Re-auth packet is not supported by the SAP, it is >>>> discarded silently. >>>> >>>> and should probably be: >>>> >>>> If the EAP-Initiate/Re-auth packet is not supported by the SAP, it >>>> SHOULD be discarded silently. >>>> >>>> >>>> >>>> - Another topic, Section 9 (IANA Considerations) reads: >>>> >>>> Further, this document registers a Early authentication usage label >>>> from the "USRK Key Labels" name space with a value: >>>> >>>> EAP Early-Authentication Root Key@ietf.org >>>> >>>> >>>> I am missing the sentence to name the master registry where the USRK Key >>>> Labels subregistry is stored. This is the Extended Master Session Key >>>> (EMSK) Parameters registry (I guess). And probably this comment is also >>>> valid for the rest of the IANA actions: the main registry is not named, >>>> and it is hard to find it. >>>> >>>> >>>> /Miguel >>>> -- >>>> Miguel A. Garcia >>>> +34-91-339-3608 >>>> Ericsson Spain >>>> _______________________________________________ >>>> HOKEY mailing list >>>> HOKEY@ietf.org >>>> https://www.ietf.org/mailman/listinfo/hokey >>> >> _______________________________________________ >> HOKEY mailing list >> HOKEY@ietf.org >> https://www.ietf.org/mailman/listinfo/hokey >
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Tina TSOU
- [HOKEY] Fwd: Gen-ART review of draft-ietf-hokey-e… Stephen Farrell
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Stephen Farrell
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Qin Wu
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Stephen Farrell
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Stephen Farrell
- Re: [HOKEY] Fwd: Gen-ART review of draft-ietf-hok… Miguel A. Garcia