Re: [DNSOP] Call for Adoption: draft-belyavskiy-rfc5933-bis
Eric Rescorla <ekr@rtfm.com> Thu, 18 June 2020 16:58 UTC
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From: Eric Rescorla <ekr@rtfm.com>
Date: Thu, 18 Jun 2020 09:57:20 -0700
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To: Paul Wouters <paul@nohats.ca>
Cc: Tim Wicinski <tjw.ietf@gmail.com>, dnsop WG <dnsop@ietf.org>, Martin Thomson <mt@lowentropy.net>
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Subject: Re: [DNSOP] Call for Adoption: draft-belyavskiy-rfc5933-bis
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On Thu, Jun 18, 2020 at 9:36 AM Paul Wouters <paul@nohats.ca> wrote: > On Thu, 18 Jun 2020, Eric Rescorla wrote: > > > The way that TLS has handled this is to have the registries have a > column called Recommended and we just mark things Y or N. This is slightly > > different from RFC 2119 language. > > > > It's not that uncommon to have new stuff introduced with Recommended = > N. In fact this is the likely outcome for the GOST cipher suites: > > https://datatracker.ietf.org/doc/draft-smyshlyaev-tls13-gost-suites/ > > I don't see anything like that mentioned in the IANA Considerations > section? > https://tools.ietf.org/html/draft-smyshlyaev-tls13-gost-suites-02#section-7 > The relevant text is in 8447: https://tools.ietf.org/html/rfc8447#section-5 Per this document, a "Recommended" column has been added to many of the TLS registries to indicate parameters that are generally recommended for implementations to support. Adding a "Recommended" parameter (i.e., "Y") to a registry or updating a parameter to "Recommended" status requires Standards Action. Not all parameters defined in Standards Track documents need to be marked as "Recommended". As the GOST draft has an informational header and is not a TLS WG item, I would expect any registration to have Recommended = N. In fact, the table is specifically missing the Recommended column > required by the IANA Registry. > That seems like an omission but given the above, I expect IANA can handle it. > As a side not, in those Security Considerations I see: > > 2. 0-RTT data SHOULD NOT be sent during TLS 1.3 connection. The > reasons for this restriction are that the 0-RTT data is not forward > secret and is not resistant to replay attacks > > It seems that the SHOULD NOT is really a very hard MUST NOT. > It's not clear to me if GOST is any different than the existing TLS cipher suites in this respect, but if not, then I'm not quite sure what the rationale is here. -Ekr > As another side note, would be nice to have a link to the IANA sections > updated in the IANA Considerations Section. > > > Paul >
- [DNSOP] Call for Adoption: draft-belyavskiy-rfc59… Tim Wicinski
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Paul Wouters
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Warren Kumari
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Brian Dickson
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Dmitry Belyavsky
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Dmitry Belyavsky
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Stanislav V. Smyshlyaev
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Olafur Gudmundsson
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Ondřej Surý
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Tim Wicinski
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Dmitry Belyavsky
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Василий Долматов
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Dick Franks
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Martin Thomson
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Paul Vixie
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… S Moonesamy
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Eric Rescorla
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Tim Wicinski
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Eric Rescorla
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Tim Wicinski
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Dmitry Belyavsky
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Valery Smyslov
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Joe Abley
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Jim Reid
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Jim Reid
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Paul Wouters
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Wouters
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Eric Rescorla
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Paul Wouters
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Eric Rescorla
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Daniel Migault
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Töma Gavrichenkov
- Re: [DNSOP] Call for Adoption: draft-belyavskiy-r… Paul Vixie
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Martin Thomson
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Vladimír Čunát
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Eric Rescorla
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Eric Rescorla
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Dick Franks
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… John Levine
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Eric Rescorla
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Olafur Gudmundsson
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Wouters
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Василий Долматов
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Töma Gavrichenkov
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Wes Hardaker
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Tim Wicinski
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Töma Gavrichenkov
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Hoffman
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Ondřej Surý
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… John Levine
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Vixie
- Re: [DNSOP] [Ext] Call for Adoption: draft-belyav… Paul Wouters