Re: [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snmp-new-03 SECDIR review
Johannes Merkle <johannes.merkle@secunet.com> Fri, 12 February 2016 11:37 UTC
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To: Donald Eastlake <d3e3e3@gmail.com>
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From: Johannes Merkle <johannes.merkle@secunet.com>
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Date: Fri, 12 Feb 2016 12:37:51 +0100
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Subject: Re: [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snmp-new-03 SECDIR review
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the agreed improvements have been implemented in the new draft Name: draft-ietf-opsawg-hmac-sha-2-usm-snmp-new Revision: 04 Title: HMAC-SHA-2 Authentication Protocols in USM for SNMPv3 Document date: 2016-02-12 Group: opsawg Pages: 13 URL: https://www.ietf.org/internet-drafts/draft-ietf-opsawg-hmac-sha-2-usm-snmp-new-04.txt Status: https://datatracker.ietf.org/doc/draft-ietf-opsawg-hmac-sha-2-usm-snmp-new/ Htmlized: https://tools.ietf.org/html/draft-ietf-opsawg-hmac-sha-2-usm-snmp-new-04 Diff: https://www.ietf.org/rfcdiff?url2=draft-ietf-opsawg-hmac-sha-2-usm-snmp-new-04 Johannes Donald Eastlake schrieb am 31.01.2016 um 22:50: > Hi Johannes, > > On Fri, Jan 29, 2016 at 5:23 AM, Johannes Merkle > <johannes.merkle@secunet.com> wrote: >> >>> The Abstract does not mention that this document obsoletes RFC 7630. I >>> think it is a good practice to include that in the Abstract. >> >> That's a good hint. I will do that. >> >>> >>> The first paragraph of the Introduction seems odd to me It says >>> "This memo defines a portion of the Management Information Base (MIB) >>> for use with network management protocols. In particular, it defines >>> additional authentication protocols ..." >>> While I can't actually say this is actually wrong, the portion of the >>> MIB it defines is trivial and it seems to me that the meat is in the >>> specification of the additional authentication protocols. Certainly, >>> those authentication protocol specifications don't appear in the MIB >>> portion specified, only identifiers for them. Yet the wording of the >>> Introduction (... defines a portion of the ... MIB.. In particular, >>> ...) seems to imply that the definition of the additional >>> authentication protocols is a subpart of the portion of the MIB. So I >>> would say the Introduction should begin with something like: >>> "This document specified additional authentication protocols ... In >>> addition, it defines a portion of the Management Information Base >>> (MIB) containing identifiers for these authentication protocols for >>> use with network management protocols." >>> >> >> Alternatively, the introduction could be rephrased in the line of that of RFC 3826, e.g., >> >> Within the Architecture for describing Simple Network Management >> Protocol (SNMP) Management Frameworks [RFC3411], the User-based >> Security Model (USM) [RFC3414] for SNMPv3 is defined as a Security >> Subsystem within an SNMP engine. In RFC 3414, two different >> authentication protocols, HMAC-MD5-96 and HMAC-SHA-96, are defined >> based on the hash functions MD5 and SHA-1, respectively. >> >> This memo specifies new HMAC-SHA-2 authentication protocols for USM... >> >> >> IMHO that would be a better start. > > That alternative text looks fine to me. > > Thanks, > Donald > ============================= > Donald E. Eastlake 3rd +1-508-333-2270 (cell) > 155 Beaver Street, Milford, MA 01757 USA > d3e3e3@gmail.com > >> -- >> Johannes >
- [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snmp-ne… Donald Eastlake
- Re: [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snm… Johannes Merkle
- Re: [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snm… Donald Eastlake
- Re: [secdir] draft-ietf-opsawg-hmac-sha-2-usm-snm… Johannes Merkle