Subject: [HOKEY] [Technical Errata Reported] RFC5296 (1825)

From: RFC Errata System <[email-masked]>
Date: Mon, 10 Aug 2009 17:16:07 -0700 (PDT)

The following errata report has been submitted for RFC5296,
"EAP Extensions for EAP Re-authentication Protocol (ERP)".

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=5296&eid=1825

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Type: Technical
Reported by: Glen Zorn <[email-masked]>

Section: 5.1

Original Text
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   We identify two types of bootstrapping for ERP: explicit and implicit
   bootstrapping.  In implicit bootstrapping, the local ER server SHOULD
   include its domain name and SHOULD request the DSRK from the home AAA
   server during the initial EAP exchange, in the AAA message
   encapsulating the first EAP Response message sent by the peer.

Corrected Text
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   We identify two types of bootstrapping for ERP: explicit and implicit
   bootstrapping.  In implicit bootstrapping, the local AAA client or agent 
   SHOULD include its domain name and SHOULD request the DSRK from the home AAA
   server in the AAA message encapsulating the first EAP Response message sent
   by the peer during the initial EAP exchange.

Notes
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The local ER server is an ERP entity, incapable of inserting anything into a AAA message; the ER server's purpose is to provide reauthentication services, not to edit AAA messages.  Furthermore, the original text requires that the ER server unnecessarily insert itself in the path of EAP messages, slowing the initial authentication.

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RFC5296 (draft-ietf-hokey-erx-14)
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Title               : EAP Extensions for EAP Re-authentication Protocol (ERP)
Publication Date    : August 2008
Author(s)           : V. Narayanan, L. Dondeti
Category            : PROPOSED STANDARD
Source              : Handover Keying
Area                : Security
Stream              : IETF
Verifying Party     : IESG