Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-08 Thread Bill Stewart
At 12:09 PM 9/7/2013, Chris Palmer wrote: On Sat, Sep 7, 2013 at 1:33 AM, Brian Gladman b...@gladman.plus.com wrote: Why would they perform the attack only for encryption software? They could compromise people's laptops by spiking any popular app. Because NSA and GCHQ are much more

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-08 Thread James A. Donald
On 2013-09-08 4:36 AM, Ray Dillinger wrote: But are the standard ECC curves really secure? Schneier sounds like he's got some innovative math in his next paper if he thinks he can show that they aren't. Schneier cannot show that they are trapdoored, because he does not know where the magic

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-08 Thread james hughes
On Sep 7, 2013, at 6:30 PM, James A. Donald jam...@echeque.com wrote: On 2013-09-08 4:36 AM, Ray Dillinger wrote: But are the standard ECC curves really secure? Schneier sounds like he's got some innovative math in his next paper if he thinks he can show that they aren't. Schneier

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Brian Gladman
On 07/09/2013 01:48, Chris Palmer wrote: Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with their own versions? Why would they perform the attack only for encryption software? They could compromise people's laptops by spiking any

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Ray Dillinger
On 09/06/2013 01:25 PM, Jerry Leichter wrote: A response he wrote as part of a discussion at http://www.schneier.com/blog/archives/2013/09/the_nsa_is_brea.html: Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with their own versions?

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Dan McDonald
On Sep 7, 2013, at 2:36 PM, Ray Dillinger wrote: SNIP! Schneier states of discrete logs over ECC: I no longer trust the constants. I believe the NSA has manipulated them through their relationships with industry. Is he referring to the standard set of ECC curves in use? Is it possible

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Gregory Perry
On 09/07/2013 02:53 PM, Ray Dillinger wrote: Is he referring to the standard set of ECC curves in use? Is it possible to select ECC curves specifically so that there's a backdoor in cryptography based on those curves? I know that hardly anybody using ECC bothers to find their own curve; they

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Chris Palmer
On Sat, Sep 7, 2013 at 1:33 AM, Brian Gladman b...@gladman.plus.com wrote: Why would they perform the attack only for encryption software? They could compromise people's laptops by spiking any popular app. Because NSA and GCHQ are much more interested in attacking communictions in transit

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-07 Thread Gregory Perry
On 09/07/2013 07:32 PM, Brian Gladman wrote: I don't have experience of how the FBI operates so my comments were directed specifcally at NSA/GCHQ interests. I am doubtful that very large organisations change their direction of travel very quickly so I see the huge investments being made in

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-06 Thread Eugen Leitl
On Fri, Sep 06, 2013 at 04:25:12PM -0400, Jerry Leichter wrote: A response he wrote as part of a discussion at http://www.schneier.com/blog/archives/2013/09/the_nsa_is_brea.html: Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with

[Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-06 Thread Jerry Leichter
A response he wrote as part of a discussion at http://www.schneier.com/blog/archives/2013/09/the_nsa_is_brea.html: Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with their own versions? A: (Schneier) Yes, I believe so.

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-06 Thread Harald Koch
On 6 September 2013 16:25, Jerry Leichter leich...@lrw.com wrote: Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with their own versions? http://c2.com/cgi/wiki?TheKenThompsonHack (and many other references)

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-06 Thread Chris Palmer
Q: Could the NSA be intercepting downloads of open-source encryption software and silently replacing these with their own versions? Why would they perform the attack only for encryption software? They could compromise people's laptops by spiking any popular app.

Re: [Cryptography] Bruce Schneier has gotten seriously spooked

2013-09-06 Thread The Doctor
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 09/06/2013 08:48 PM, Chris Palmer wrote: Why would they perform the attack only for encryption software? They could compromise people's laptops by spiking any popular app. What is more important to them: A single system, or all of the comms