Re: [secdir] SECDIR review of draft-ietf-ipsecme-rfc4307bis-15
Ben Laurie <benl@google.com> Thu, 19 January 2017 18:15 UTC
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From: Ben Laurie <benl@google.com>
Date: Thu, 19 Jan 2017 18:15:30 +0000
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To: Yoav Nir <ynir.ietf@gmail.com>
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Cc: Phillip Hallam-Baker <phill@hallambaker.com>, draft-ietf-ipsecme-rfc4307bis.all@ietf.org, "secdir@ietf.org" <secdir@ietf.org>
Subject: Re: [secdir] SECDIR review of draft-ietf-ipsecme-rfc4307bis-15
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On 18 January 2017 at 15:03, Yoav Nir <ynir.ietf@gmail.com> wrote: > > On 18 Jan 2017, at 14:42, Ben Laurie <benl@google.com> wrote: > > Aren't we supposed to be deprecating 5114 primes? > > > Sure: > > Group 22, 23 and 24 are MODP Groups with Prime Order Subgroups thater > are not safe-primes. The seeds for these groups have not been > publicly released, resulting in reduced trust in these groups. These > groups were proposed as alternatives for group 2 and 14 but never saw > wide deployment. It has been shown that Group 22 with 1024-bit MODP > is too weak and academia have the resources to generate malicious > values at this size. This has resulted in Group 22 to be demoted to > MUST NOT. Group 23 and 24 have been demoted to SHOULD NOT and are > expected to be further downgraded in the near future to MUST NOT. > > > This is what deprecation looks like Apologies. I did not read carefully enough. I blame jetlag. :-) > > Yoav > > > > On 18 January 2017 at 02:24, Phillip Hallam-Baker <phill@hallambaker.com> > wrote: > > > I have reviewed this document as part of the security directorate's > ongoing effort to review all IETF documents being processed by the > IESG. These comments were written primarily for the benefit of the > security area directors. Document editors and WG chairs should treat > these comments just like any other last call comments. > > STATUS: Ready with one minor typo. > > > My personal taste would be to reduce the number of algorithms by half. But > that is not practical given the history so this is the best we can do in the > circumstances. > > > > Typos > > Sec 3.4 > > Group 22, 23 and 24 are MODP Groups with Prime Order Subgroups thater > are not safe-primes. The seeds for these groups have not been > > > _______________________________________________ > secdir mailing list > secdir@ietf.org > https://www.ietf.org/mailman/listinfo/secdir > wiki: http://tools.ietf.org/area/sec/trac/wiki/SecDirReview > >
- [secdir] SECDIR review of draft-ietf-ipsecme-rfc4… Phillip Hallam-Baker
- Re: [secdir] SECDIR review of draft-ietf-ipsecme-… Daniel Migault
- Re: [secdir] SECDIR review of draft-ietf-ipsecme-… Ben Laurie
- Re: [secdir] SECDIR review of draft-ietf-ipsecme-… Yoav Nir
- Re: [secdir] SECDIR review of draft-ietf-ipsecme-… Ben Laurie