Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-cfrg-re-keying-08.txt
Russ Housley <housley@vigilsec.com> Sun, 29 October 2017 18:59 UTC
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From: Russ Housley <housley@vigilsec.com>
In-Reply-To: <D61BAD4B.A2D74%kenny.paterson@rhul.ac.uk>
Date: Sun, 29 Oct 2017 14:59:31 -0400
Cc: "crypto-panel@irtf.org" <crypto-panel@irtf.org>, Alexey Melnikov <alexey.melnikov@isode.com>, "Stanislav V. Smyshlyaev" <smyshsv@gmail.com>
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To: Kenny Paterson <Kenny.Paterson@rhul.ac.uk>
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Subject: Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-cfrg-re-keying-08.txt
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I have already read it and provided comments. My name was on an earlier version. It deserves another set of eyes. Russ > On Oct 29, 2017, at 12:08 PM, Paterson, Kenny <Kenny.Paterson@rhul.ac.uk> wrote: > > Dear CFRG panel members, > > draft-irtf-cfrg-re-keying-08 > (https://tools.ietf.org/html/draft-irtf-cfrg-re-keying-08) is ready for > panel review. > > Any volunteers to look at this one? > > (We don't expect too many more review requests for a while after this and > draft-mcgrew-hash-sigs.) > > Regards, > > Kenny > > On 09/10/2017 16:14, "Stanislav V. Smyshlyaev" <smyshsv@gmail.com> wrote: > >> Dear colleagues, >> >> >> In Prague, we listed several todo's about our Re-keying draft; thanks to >> the efforts of the persons listed in the contributors and "thanks to" >> lists now we have a new version, addressing the comments and concerns >> that have been >> discussed earlier. >> There have been several updates of the draft, major changes from the July >> version (discussed at IETF 99 CFRG meeting) are the following: >> >> >> 1) New test examples have been added: external re-keying with a parallel >> construction based on AES-256, external re-keying with a serial >> construction based on SHA-256, OMAC-ACPKM-Master mode with AES-256, >> as agreed. >> 2) CCM-ACPKM and CCM-ACPKM-Master, OFB-ACPKM-Master modes have been >> removed from the document, as agreed. >> 3) “Key Hierarchy Construction” section has been added. >> 4) The more restrictive terminology for different types of keys has been >> introduced: "initial key", "section key" (data processing key in internal >> re-keying), "master key", "section key material", "subkey", >> "frame key" (data processing key in external re-keying). >> 5) The additional hash calculation for ICB value (if c!=32) has been >> removed from GCM-ACPKM and GCM-ACPKM-Master modes. >> >> >> The current version >> (https://tools.ietf.org/html/draft-irtf-cfrg-re-keying-08) seems to take >> all concerns and considerations we've discussed (in Chicago, in Prague >> and in e-mails) into account – please let me know if we've missed >> something. If there won't be any objections, I think we should start >> thinking about moving to the review phase. >> >> >> Kindest regards, >> Stanislav >> >> >> >> >> >> >> >> >> 2017-10-09 17:36 GMT+03:00 <internet-drafts@ietf.org>: >> >> >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the Crypto Forum RG of the IRTF. >> >> Title : Re-keying Mechanisms for Symmetric Keys >> Author : Stanislav Smyshlyaev >> Filename : draft-irtf-cfrg-re-keying-08.txt >> Pages : 49 >> Date : 2017-10-09 >> >> Abstract: >> A certain maximum amount of data can be safely encrypted when >> encryption is performed under a single key. This amount is called >> "key lifetime". This specification describes a variety of methods to >> increase the lifetime of symmetric keys. It provides external and >> internal re-keying mechanisms based on hash functions and on block >> ciphers, that can be used with modes of operations such as CTR, GCM, >> CBC, CFB and OMAC. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-irtf-cfrg-re-keying/ >> >> There are also htmlized versions available at: >> https://tools.ietf.org/html/draft-irtf-cfrg-re-keying-08 >> https://datatracker.ietf.org/doc/html/draft-irtf-cfrg-re-keying-08 >> >> A diff from the previous version is available at: >> https://www.ietf.org/rfcdiff?url2=draft-irtf-cfrg-re-keying-08 >> >> >> Please note that it may take a couple of minutes from the time of >> submission >> until the htmlized version and diff are available at >> tools.ietf.org <http://tools.ietf.org>. >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> _______________________________________________ >> Cfrg mailing list >> Cfrg@irtf.org >> https://www.irtf.org/mailman/listinfo/cfrg >> >> >> >> >> >> > > _______________________________________________ > Crypto-panel mailing list > Crypto-panel@irtf.org > https://www.irtf.org/mailman/listinfo/crypto-panel
- Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-… Paterson, Kenny
- Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-… Paterson, Kenny
- Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-… Yaron Sheffer
- Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-… Yaron Sheffer
- Re: [Crypto-panel] [Cfrg] I-D Action: draft-irtf-… Russ Housley