Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as a RG document
David Leon Gil <coruus@gmail.com> Mon, 05 January 2015 22:08 UTC
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From: David Leon Gil <coruus@gmail.com>
Date: Mon, 05 Jan 2015 22:08:03 +0000
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To: Tony Arcieri <bascule@gmail.com>, Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as a RG document
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Is there any particular need to choose between minimal A and minimal d? Why not simply specify that both are acceptable options? This is a minuscule loss to rigidity; two curves versus one per prime. On Mon, Jan 5, 2015 at 2:01 PM Tony Arcieri <bascule@gmail.com> wrote: > On Mon, Jan 5, 2015 at 11:15 AM, Alexey Melnikov < > alexey.melnikov@isode.com> wrote: > >> This message starts 2 weeks adoption call (ending on January 19th 2015) >> on: >> >> https://www.imperialviolet.org/cfrgcurve/cfrgcurve.xml >> >> as the starting point for the CFRG document which describes an algorithm >> for safe curve parameter generation for a particular security level and >> also recommends a specific curve (2^255-19) for the 128-bit security level. >> >> Please reply to this message or directly to CFRG chairs, stating whether >> you support (or not) adoption of this document. If you do not support >> adoption of this document, please state whether you support adoption of any >> alternative document or whether you want a particular change be made to the >> document before adoption. > > > My support of this document is contextual: at present it does not provide > a similar defense for Ed25519 (despite the rigid curve selection guidelines > dealing primarily in Edwards curves) as it does for Curve25519 (which is > Montgomery) > > I hope the CFRG does not paint itself into a corner with this document, > and when the question of a signature system arises, I hope Ed25519 will not > be struck down due to an incompatibility with the outlined rigid curve > selection guidelines. > > I'm not saying the CFRG should adopt Ed25519, but I would prefer the door > remained open for them to do so. > > tl;dr: I would accept this draft so long as it's not a blocker for Ed25519 > > -- > Tony Arcieri > _______________________________________________ > Cfrg mailing list > Cfrg@irtf.org > http://www.irtf.org/mailman/listinfo/cfrg >
- [Cfrg] Adoption of draft-agl-cfrgcurve-00 as a RG… Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Adam Langley
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Stephen Farrell
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Watson Ladd
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Tony Arcieri
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Blumenthal, Uri - 0558 - MITLL
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Adam Langley
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Ilari Liusvaara
- [Cfrg] (please make draft an IETF document first)… Rene Struik
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Paul Lambert
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … David Leon Gil
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Michael Hamburg
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Alyssa Rowan
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Dan Brown
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … David Gil
- Re: [Cfrg] (please make draft an IETF document fi… Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Sean Turner
- Re: [Cfrg] (please make draft an IETF document fi… Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Watson Ladd
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Andrey Jivsov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Adam Langley
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Andrey Jivsov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Watson Ladd
- [Cfrg] options (was: Re: Adoption of draft-agl-cf… Stephen Farrell
- [Cfrg] No longer talking about Adoption of draft-… Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Joppe Bos
- Re: [Cfrg] options (was: Re: Adoption of draft-ag… Paul Hoffman
- Re: [Cfrg] options Andrey Jivsov
- Re: [Cfrg] draft-agl-cfrgcurve-00 point format (w… Alyssa Rowan
- Re: [Cfrg] draft-agl-cfrgcurve-00 point format Andrey Jivsov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Robert Ransom
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Ilari Liusvaara
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Robert Ransom
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Tony Arcieri
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Alexey Melnikov
- Re: [Cfrg] Adoption of draft-agl-cfrgcurve-00 as … Stephen Farrell
- [Cfrg] (technical flaws to be corrected in next v… Rene Struik
- Re: [Cfrg] (technical flaws to be corrected in ne… Adam Langley
- Re: [Cfrg] (technical flaws to be corrected in ne… Rene Struik
- Re: [Cfrg] (technical flaws to be corrected in ne… Adam Langley