Re: Consequences to draw from the latest Snowden revelations?

2013-09-11 Thread Jakob Bohm
On 9/8/2013 10:16 AM, Randolph D. wrote: 2013/9/7 Niklas Schnelle mailto:niklas.schne...@gmail.com>> Dear OpenSSL users, what can be done to improve the situation. One option is to switch from central SSL Certs to selfsigned SSL Certs in a p2p environment http://en.wikipedia.org/wiki/

Re: Consequences to draw from the latest Snowden revelations?

2013-09-11 Thread Jakob Bohm
On 9/8/2013 2:13 AM, Graham Leggett wrote: On 07 Sep 2013, at 11:26 PM, Steve Marquess wrote: Note that Dual EC DRBG is *NOT* used by default and a calling application must specifically and deliberately enable it; that cannot be done accidentally. Any application which does so will hopefully

Re: Consequences to draw from the latest Snowden revelations?

2013-09-08 Thread Gary Driggs
On Sep 8, 2013, at 1:16 AM, "Randolph D." wrote: What needs to be done to establish an SSL connection using an AES channel to share the secret? If you're just looking for better trust models for SSL certificates, have a look at the methods proposed by the DANE working group... http://www.cisco

Re: Consequences to draw from the latest Snowden revelations?

2013-09-08 Thread Randolph D.
2013/9/7 Niklas Schnelle > Dear OpenSSL users, > > what can be done to improve the situation. > One option is to switch from central SSL Certs to selfsigned SSL Certs in a p2p environment http://en.wikipedia.org/wiki/Self-signed_certificate SSL sends the key over D/H exchange, which could be att

Re: Consequences to draw from the latest Snowden revelations?

2013-09-07 Thread Graham Leggett
On 07 Sep 2013, at 11:26 PM, Steve Marquess wrote: > Note that Dual EC DRBG is *NOT* used by default and a calling > application must specifically and deliberately enable it; that cannot be > done accidentally. Any application which does so will hopefully be fully > aware of the consequences (an

Re: Consequences to draw from the latest Snowden revelations?

2013-09-07 Thread Niklas Schnelle
Ok this sounds like Dual EC DRBG is not really a problem for someone not bound to use it. So what about ECDH, I've read in many places e.g. on this cryptography mailinglist [1] that it could be trouble when the curves have been suggested by the NSA. What about the use of hardware rngs? [1] http:/

Re: Consequences to draw from the latest Snowden revelations?

2013-09-07 Thread Steve Marquess
On 09/07/2013 11:32 AM, Gary wrote: > ... > > Here's a list of highlights from Bruce's article back > then[3]:... > > "... > My recommendation, if you're in need of a random-number generator, is > not to use Dual_EC_DRBG under any circumstances. If you have to use > something in SP 800-90, use CT

Re: Consequences to draw from the latest Snowden revelations?

2013-09-07 Thread Gary
In a recent Q&A with Bruce Schneier and James Ball (a journalist)[1], Ball said, "Because the NSA and GCHQ have been influencing standards, and working to covertly modify code, almost anything could potentially have been compromised. Something as simple as – hypothetically – modifying a basic rando