Re: [TLS] Industry Concerns about TLS 1.3
Thijs van Dijk <schnabbel@inurbanus.nl> Fri, 23 September 2016 07:35 UTC
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From: Thijs van Dijk <schnabbel@inurbanus.nl>
Date: Fri, 23 Sep 2016 09:35:27 +0200
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To: =?UTF-8?Q?Colm_MacC=C3=A1rthaigh?= <colm@allcosts.net>
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Subject: Re: [TLS] Industry Concerns about TLS 1.3
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On 23 September 2016 at 04:04, Colm MacCárthaigh <colm@allcosts.net> wrote: > If the problem is the use of forward secrecy then there is a simple >>>> solution, don't use it. >>>> That is, you can, as a server, have a fixed key_share for which the >>>> secret exponent becomes the private key exactly as in the RSA case. It does >>>> require some careful analysis, though. >>>> >>> >> The key_share contributed by the client is indeed ephemeral and it >> replaces the random key chosen by the client in the RSA-based scheme. >> > > Yep, you're right, now I get it. I also now wonder if clients should make > a best effort of detecting duplicate parameters and rejecting them. > Regular clients, no. But this would be a useful addition to debugging / scanning suites (e.g. Qualys), or browser extensions for the security conscious (e.g. CertPatrol). -Thijs
- [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Yuhong Bao
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 Paterson, Kenny
- Re: [TLS] Industry Concerns about TLS 1.3 Kyle Rose
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Dave Garrett
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Yoav Nir
- Re: [TLS] Industry Concerns about TLS 1.3 Yuhong Bao
- Re: [TLS] Industry Concerns about TLS 1.3 Andrei Popov
- Re: [TLS] Industry Concerns about TLS 1.3 Xiaoyin Liu
- Re: [TLS] Industry Concerns about TLS 1.3 Hugo Krawczyk
- Re: [TLS] Industry Concerns about TLS 1.3 Colm MacCárthaigh
- Re: [TLS] Industry Concerns about TLS 1.3 Hugo Krawczyk
- Re: [TLS] Industry Concerns about TLS 1.3 Ryan Carboni
- Re: [TLS] Industry Concerns about TLS 1.3 Colm MacCárthaigh
- Re: [TLS] Industry Concerns about TLS 1.3 Geoffrey Keating
- Re: [TLS] Industry Concerns about TLS 1.3 Eric Rescorla
- Re: [TLS] Industry Concerns about TLS 1.3 Thijs van Dijk
- Re: [TLS] Industry Concerns about TLS 1.3 Stephen Farrell
- [TLS] debugging tools [was: Industry Concerns abo… Nikos Mavrogiannopoulos
- Re: [TLS] debugging tools [was: Industry Concerns… Stephen Farrell
- Re: [TLS] debugging tools [was: Industry Concerns… Hubert Kario
- Re: [TLS] Industry Concerns about TLS 1.3 nalini.elkins
- Re: [TLS] Industry Concerns about TLS 1.3 Ackermann, Michael
- Re: [TLS] Industry Concerns about TLS 1.3 Jeffrey Walton
- Re: [TLS] Industry Concerns about TLS 1.3 Dan Brown
- Re: [TLS] Industry Concerns about TLS 1.3 Ackermann, Michael
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 Ackermann, Michael
- Re: [TLS] Industry Concerns about TLS 1.3 nalini.elkins
- Re: [TLS] Industry Concerns about TLS 1.3 Eric Rescorla
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Jeffrey Walton
- Re: [TLS] Industry Concerns about TLS 1.3 Yaron Sheffer
- Re: [TLS] Industry Concerns about TLS 1.3 Tony Arcieri
- Re: [TLS] Industry Concerns about TLS 1.3 Ilari Liusvaara
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Yoav Nir
- Re: [TLS] Industry Concerns about TLS 1.3 Eric Rescorla
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Xiaoyin Liu
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Stephen Farrell
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Jeffrey Walton
- Re: [TLS] Industry Concerns about TLS 1.3 Adam Caudill
- Re: [TLS] Industry Concerns about TLS 1.3 Peter Bowen
- Re: [TLS] Industry Concerns about TLS 1.3 Bill Frantz
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Pawel Jakub Dawidek
- Re: [TLS] Industry Concerns about TLS 1.3 Ackermann, Michael
- Re: [TLS] Industry Concerns about TLS 1.3 Ilari Liusvaara
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Brian Sniffen
- Re: [TLS] Industry Concerns about TLS 1.3 Ackermann, Michael
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 Hovav Shacham
- Re: [TLS] Industry Concerns about TLS 1.3 Martin Rex
- Re: [TLS] Industry Concerns about TLS 1.3 Pascal Urien
- Re: [TLS] Industry Concerns about TLS 1.3 Salz, Rich
- Re: [TLS] Industry Concerns about TLS 1.3 Martin Rex
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Xiaoyin Liu
- Re: [TLS] Industry Concerns about TLS 1.3 Andrei Popov
- Re: [TLS] Industry Concerns about TLS 1.3 Geoffrey Keating
- Re: [TLS] Industry Concerns about TLS 1.3 Viktor Dukhovni
- Re: [TLS] Industry Concerns about TLS 1.3 Eric Rescorla
- Re: [TLS] Industry Concerns about TLS 1.3 Viktor Dukhovni
- Re: [TLS] Industry Concerns about TLS 1.3 Judson Wilson
- Re: [TLS] Industry Concerns about TLS 1.3 Peter Gutmann
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Ilari Liusvaara
- Re: [TLS] Industry Concerns about TLS 1.3 Yoav Nir
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Seth David Schoen
- Re: [TLS] Industry Concerns about TLS 1.3 Michał Staruch
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 Tony Arcieri
- Re: [TLS] Industry Concerns about TLS 1.3 Ronald del Rosario
- Re: [TLS] Industry Concerns about TLS 1.3 Seth David Schoen
- Re: [TLS] Industry Concerns about TLS 1.3 Stephen Farrell
- Re: [TLS] Industry Concerns about TLS 1.3 Hannes Tschofenig
- Re: [TLS] Industry Concerns about TLS 1.3 Martin Rex
- Re: [TLS] Industry Concerns about TLS 1.3 Joachim Strömbergson
- Re: [TLS] Industry Concerns about TLS 1.3 Martin Rex
- Re: [TLS] Industry Concerns about TLS 1.3 Martin Rex
- Re: [TLS] Industry Concerns about TLS 1.3 Dan Brown
- Re: [TLS] Industry Concerns about TLS 1.3 Jeffrey Walton
- Re: [TLS] Industry Concerns about TLS 1.3 Yoav Nir
- Re: [TLS] Industry Concerns about TLS 1.3 Dan Brown
- Re: [TLS] Industry Concerns about TLS 1.3 Bill Frantz
- Re: [TLS] Industry Concerns about TLS 1.3 Melinda Shore
- Re: [TLS] Industry Concerns about TLS 1.3 Tony Arcieri
- Re: [TLS] Industry Concerns about TLS 1.3 Melinda Shore
- Re: [TLS] Industry Concerns about TLS 1.3 Tony Arcieri
- Re: [TLS] Industry Concerns about TLS 1.3 Bill Frantz
- Re: [TLS] Industry Concerns about TLS 1.3 Ryan Carboni
- Re: [TLS] Industry Concerns about TLS 1.3 Hannes Tschofenig
- Re: [TLS] Industry Concerns about TLS 1.3 Hubert Kario
- Re: [TLS] Industry Concerns about TLS 1.3 Peter Gutmann
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Jeffrey Walton
- Re: [TLS] Industry Concerns about TLS 1.3 Watson Ladd
- Re: [TLS] Industry Concerns about TLS 1.3 Tony Arcieri
- Re: [TLS] debugging tools [was: Industry Concerns… Florian Weimer
- Re: [TLS] Industry Concerns about TLS 1.3 Florian Weimer
- Re: [TLS] Industry Concerns about TLS 1.3 BITS Security
- Re: [TLS] Industry Concerns about TLS 1.3 Sean Turner
- Re: [TLS] Industry Concerns about TLS 1.3 Ryan Carboni