Re: [Cfrg] Consensus and a way forward
Hannes Tschofenig <hannes.tschofenig@gmx.net> Thu, 27 November 2014 06:51 UTC
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Date: Thu, 27 Nov 2014 07:51:11 +0100
From: Hannes Tschofenig <hannes.tschofenig@gmx.net>
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To: Benjamin Black <b@b3k.us>, "cfrg@irtf.org" <cfrg@irtf.org>
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Subject: Re: [Cfrg] Consensus and a way forward
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Hi Benjamin, while I applaud that you are trying to find a way forward your mail almost sounds like you are acting is one of the chairs of the group. From a process point of view only the chairs can call for consensus; I am sure it is just unfortunate wording and you are providing another proposal for the group to consider. Ciao Hannes On 11/27/2014 05:25 AM, Benjamin Black wrote: > All, > > Over the past couple of weeks we have been working with Adam Langley to > see if we could find a compromise with which we could all live. I'm > pleased to say we have been successful in accommodating our respective > performance and trustworthy generation concerns, and I hope the > resulting proposal will be attractive to others, as well. The generation > procedure is document in a draft I've just posted that can be found at > http://www.ietf.org/id/draft-black-rpgecc-00.txt . > > The simplest summary is that we have combined the prime preferred by > Adam and others at the 128-bit security level with the rigid parameter > generation we view as essential for producing the most trustworthy > curves. We have used the generation procedure to produce a new twisted > Edwards curve based on 2^255 - 19 and a new Edwards curve based on 2^384 > - 317. These new curves are given as test vectors in the draft, and are > also given below. > > These 2 curves are sufficient for meeting the request from TLS. However, > if there is strong interest in a 3rd curve for the 256-bit security > level, the generation procedure gives the same curve with p =2^521 - 1 > as several teams produced. > > > b > > -- > > 2^255 - 19 > > p = 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF > FFFFFFFFFFED > d = 0x15E93 > r = 0x2000000000000000000000000000000016241E6093B2CE59B6B9 > 8FD8849FAF35 > x(P) = 0x3B7C1D83A0EF56F1355A0B5471E42537C26115EDE4C948391714 > C0F582AA22E2 > y(P) = 0x775BE0DEC362A16E78EFFE0FF4E35DA7E17B31DC1611475CB4BE > 1DA9A3E5A819 > h = 0x4 > > > 2^384 - 317 > > p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF > FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC3 > d = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF > FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD19F > r = 0x3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE2471A1 > CB46BE1CF61E4555AAB35C87920B9DCC4E6A3897D > x(P) = 0x61B111FB45A9266CC0B6A2129AE55DB5B30BF446E5BE4C005763FFA > 8F33163406FF292B16545941350D540E46C206BDE > y(P) = 0x82983E67B9A6EEB08738B1A423B10DD716AD8274F1425F56830F98F > 7F645964B0072B0F946EC48DC9D8D03E1F0729392 > h = 0x4 > > > > _______________________________________________ > Cfrg mailing list > Cfrg@irtf.org > http://www.irtf.org/mailman/listinfo/cfrg >
- [Cfrg] Consensus and a way forward Benjamin Black
- Re: [Cfrg] Consensus and a way forward Watson Ladd
- Re: [Cfrg] Consensus and a way forward Joppe Bos
- Re: [Cfrg] Consensus and a way forward Hannes Tschofenig
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] Consensus and a way forward Ilari Liusvaara
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Adam Langley
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Mike Hamburg
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] Consensus and a way forward Paterson, Kenny
- Re: [Cfrg] Consensus and a way forward Paterson, Kenny
- Re: [Cfrg] Consensus and a way forward Paterson, Kenny
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alexey Melnikov
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Michael Hamburg
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Robert Ransom
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Adam Langley
- Re: [Cfrg] Consensus and a way forward Lochter, Manfred
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Ilari Liusvaara
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Robert Ransom
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Watson Ladd
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Tony Arcieri
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… D. J. Bernstein
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Robert Ransom
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Watson Ladd
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paterson, Kenny
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alyssa Rowan
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Watson Ladd
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Benjamin Black
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Robert Ransom
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paul Hoffman
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alexey Melnikov
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paterson, Kenny
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Alexey Melnikov
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Watson Ladd
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paterson, Kenny
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Harry Halpin
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paul Hoffman
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Watson Ladd
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Tanja Lange
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Salz, Rich
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Tony Arcieri
- Re: [Cfrg] Mishandling twist attacks D. J. Bernstein
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Paterson, Kenny
- Re: [Cfrg] draft-black-rpgecc-00-.txt [was: Conse… Tanja Lange
- Re: [Cfrg] Mishandling twist attacks Paterson, Kenny
- Re: [Cfrg] Mishandling twist attacks D. J. Bernstein
- Re: [Cfrg] Mishandling twist attacks Salz, Rich
- Re: [Cfrg] Mishandling twist attacks Stephen Farrell
- Re: [Cfrg] Mishandling twist attacks Adam Back