Re: [TLS] [Cfrg] 3DES diediedie
Derek Atkins <derek@ihtfp.com> Thu, 08 September 2016 15:01 UTC
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From: Derek Atkins <derek@ihtfp.com>
To: Tony Arcieri <bascule@gmail.com>
References: <m2lgzcyhxi.fsf@bos-mpeve.kendall.corp.akamai.com> <201608311948.u7VJmChl018731@rumpleteazer.rhmr.com> <CABrd9STOCbBo=g22XySRnWofHwVZkrC-ripZY38yLRZV2kQh3A@mail.gmail.com> <sjminu8vk1t.fsf@securerf.ihtfp.org> <1473221674611.89839@cs.auckland.ac.nz> <CAHOTMVKJJAOz+a0d6jej2mYpM9LiBnt65XtYVVTH6dKzN_UCxA@mail.gmail.com>
Date: Thu, 08 Sep 2016 11:01:24 -0400
In-Reply-To: <CAHOTMVKJJAOz+a0d6jej2mYpM9LiBnt65XtYVVTH6dKzN_UCxA@mail.gmail.com> (Tony Arcieri's message of "Wed, 7 Sep 2016 12:45:14 -0700")
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Subject: Re: [TLS] [Cfrg] 3DES diediedie
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Tony Arcieri <bascule@gmail.com> writes: > On Tue, Sep 6, 2016 at 9:15 PM, Peter Gutmann <pgut001@cs.auckland.ac.nz> > wrote: > > When crypto hardware support is available, it's universally AES, > occasionally > SHA-1 and/or DES, and very rarely RSA and/or DH and/or ECDSA > > EMV chip cards support RSA digital signatures. Granted earlier EMV cards used > ridiculously small key lengths (i.e. 320-bits), but they have been gradually > ratcheted up to e.g. 768 or 1024-bits. So they are finally up to 80-bit security? Woohoo! That makes me feel so safe. > These cards number in the billions (10s of billions?) and the chips are priced > in the penny range. > > I don't think it's impractical to ship hardware accelerated asymmetric crypto > primitives on chips that meet the specifications you're describing. The > payments industry has definitely shown it's possible. Payments are a very poor example.. Several seconds per transaction? That's not usable performance. Look at all the pushback from consumers that have been happening since the changeover to chip cards in the US this past year. > Tony Arcieri -derek -- Derek Atkins 617-623-3745 derek@ihtfp.com www.ihtfp.com Computer and Internet Security Consultant
- [TLS] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Benjamin Kaduk
- Re: [TLS] [Cfrg] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Stephen Farrell
- Re: [TLS] [Cfrg] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Viktor Dukhovni
- Re: [TLS] 3DES diediedie Peter Gutmann
- Re: [TLS] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie John Mattsson
- Re: [TLS] [Cfrg] 3DES diediedie Stephen Farrell
- Re: [TLS] [Cfrg] 3DES diediedie Hubert Kario
- Re: [TLS] [Cfrg] 3DES diediedie david wong
- Re: [TLS] [Cfrg] 3DES diediedie Eric Rescorla
- Re: [TLS] [Cfrg] 3DES diediedie Ira McDonald
- Re: [TLS] [Cfrg] 3DES diediedie Hubert Kario
- Re: [TLS] 3DES diediedie Geoffrey Keating
- Re: [TLS] 3DES diediedie Dmitry Belyavsky
- Re: [TLS] [Cfrg] 3DES diediedie Stanislav V. Smyshlyaev
- Re: [TLS] 3DES diediedie Hanno Böck
- Re: [TLS] [Cfrg] 3DES diediedie David McGrew (mcgrew)
- Re: [TLS] [Cfrg] 3DES diediedie Watson Ladd
- Re: [TLS] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie David McGrew (mcgrew)
- Re: [TLS] [Cfrg] 3DES diediedie Karthikeyan Bhargavan
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Stephen Farrell
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Hubert Kario
- Re: [TLS] [Cfrg] 3DES diediedie David McGrew (mcgrew)
- Re: [TLS] [Cfrg] 3DES diediedie Joachim Strömbergson
- Re: [TLS] [Cfrg] 3DES diediedie John Mattsson
- [TLS] (confusing the issues) Re: [Cfrg] 3DES died… Rene Struik
- Re: [TLS] [Cfrg] 3DES diediedie Ilari Liusvaara
- Re: [TLS] (confusing the issues) Re: [Cfrg] 3DES … Dave Garrett
- Re: [TLS] [Cfrg] 3DES diediedie Jon Callas
- Re: [TLS] [Cfrg] (confusing the issues) Re: 3DES … Jon Callas
- Re: [TLS] [Cfrg] 3DES diediedie Steven M. Bellovin
- Re: [TLS] [Cfrg] (confusing the issues) Re: 3DES … Rene Struik
- Re: [TLS] [Cfrg] (confusing the issues) Re: 3DES … Greg Rose
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie David McGrew (mcgrew)
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Hilarie Orman
- Re: [TLS] [Cfrg] 3DES diediedie Brian Sniffen
- Re: [TLS] [Cfrg] 3DES diediedie Hilarie Orman
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Steven M. Bellovin
- Re: [TLS] [Cfrg] 3DES diediedie Joachim Strömbergson
- Re: [TLS] [Cfrg] 3DES diediedie Hilarie Orman
- Re: [TLS] [Cfrg] 3DES diediedie Joachim Strömbergson
- Re: [TLS] [Cfrg] 3DES diediedie Kyle Rose
- Re: [TLS] 3DES diediedie Richard Hartmann
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Hilarie Orman
- Re: [TLS] [Cfrg] 3DES diediedie Ben Laurie
- Re: [TLS] [Cfrg] 3DES diediedie Ben Laurie
- Re: [TLS] [Cfrg] 3DES diediedie Joachim Strömbergson
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Dave Garrett
- Re: [TLS] [Cfrg] 3DES diediedie Ira McDonald
- Re: [TLS] [Cfrg] 3DES diediedie Philip Levis
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Joachim Strömbergson
- Re: [TLS] [Cfrg] 3DES diediedie Ilari Liusvaara
- Re: [TLS] [Cfrg] 3DES diediedie Richard Hartmann
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Salz, Rich
- Re: [TLS] [Cfrg] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Peter Gutmann
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Derek Atkins
- Re: [TLS] [Cfrg] 3DES diediedie Kyle Rose
- Re: [TLS] [Cfrg] 3DES diediedie Tony Arcieri
- Re: [TLS] [Cfrg] 3DES diediedie Yoav Nir
- Re: [TLS] [Cfrg] 3DES diediedie Kyle Rose