Re: [TLS] Call for WG adoption draft-josefsson-tls-curve25519
Rob Stradling <rob.stradling@comodo.com> Fri, 29 May 2015 21:33 UTC
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Date: Fri, 29 May 2015 22:32:56 +0100
From: Rob Stradling <rob.stradling@comodo.com>
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To: Simon Josefsson <simon@josefsson.org>, Yoav Nir <ynir.ietf@gmail.com>
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Subject: Re: [TLS] Call for WG adoption draft-josefsson-tls-curve25519
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On 29/05/15 22:01, Simon Josefsson wrote: > Yoav Nir <ynir.ietf@gmail.com> writes: > >> Me too. >> >> I notice that while the draft doesn’t say that explicitly, it uses >> existing *_ECDHE_* ciphersuites, so that no new ciphersuites are >> required, despite the fact that this ECDHE has different point formats >> and different back-end math than the existing ECDHE. I wonder if we >> can also get away with using *ECDSA* ciphersuites for EdDSA >> signatures. > > This is an interesting idea, thanks for mentioning that. It would ugly > for "ECDSA" in a cipher suite name to not actually mean that ECDSA is > used, but it is a valid engineering tradeoff to sometimes prefer ugly > things that simplify over beautiful things that complicate. The TLS 1.3 draft renames the Supported Elliptic Curves extension so that it can contain non-EC groups. So renaming things in the IANA TLS registries doesn't seem to be prohibited, AFAICT. Could we rename the TLS_ECDHE_ECDSA_* cipher suites so that they're not specific to ECDSA? (TLS_ECDHE_EC_* perhaps?) -- Rob Stradling Senior Research & Development Scientist COMODO - Creating Trust Online Office Tel: +44.(0)1274.730505 Office Fax: +44.(0)1274.730909 www.comodo.com COMODO CA Limited, Registered in England No. 04058690 Registered Office: 3rd Floor, 26 Office Village, Exchange Quay, Trafford Road, Salford, Manchester M5 3EQ This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender by replying to the e-mail containing this attachment. Replies to this email may be monitored by COMODO for operational or business reasons. Whilst every endeavour is taken to ensure that e-mails are free from viruses, no liability can be accepted and the recipient is requested to use their own virus checking software.
- [TLS] Call for WG adoption draft-josefsson-tls-cu… Joseph Salowey
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Eric Rescorla
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Ilari Liusvaara
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Nico Williams
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Yoav Nir
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Nico Williams
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Aaron Zauner
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Daniel Kahn Gillmor
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Simon Josefsson
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Simon Josefsson
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Rob Stradling
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Yoav Nir
- Re: [TLS] Call for WG adoption draft-josefsson-tl… Joseph Salowey