Re: Has there been a change in US banking regulations recently?

2010-08-17 Thread Steven Bellovin
On Aug 16, 2010, at 9:19 49PM, John Gilmore wrote: who's your enemy? The NSA? The SVR? Or garden-variety cybercrooks? Enemy? We don't have to be the enemy for someone to crack our security. We merely have to be in the way of something they want; or to be a convenient tool or foil in

Re: Has there been a change in US banking regulations recently?

2010-08-17 Thread James A. Donald
On 2010-08-15 7:59 AM, Thor Lancelot Simon wrote: Indeed. The way forward would seem to be ECC, but show me a load balancer or even a dedicated SSL offload device which supports ECC. For sufficiently strong security, ECC beats factoring, but how strong is sufficiently strong? Do you have

Re: Has there been a change in US banking regulations recently?

2010-08-16 Thread Nicolas Williams
On Fri, Aug 13, 2010 at 02:55:32PM -0500, eric.lengve...@wellsfargo.com wrote: There are some possibilities, my co-workers and I have discussed. For purely internal systems TLS-PSK (RFC 4279) provides symmetric encryption through pre-shared keys which provides us with whitelisting as well as

Re: Has there been a change in US banking regulations recently?

2010-08-16 Thread Steven Bellovin
On Aug 15, 2010, at 1:17 30PM, Peter Gutmann wrote: Ray Dillinger b...@sonic.net writes: On Fri, 2010-08-13 at 14:55 -0500, eric.lengve...@wellsfargo.com wrote: The big drawback is that those who want to follow NIST's recommendations to migrate to 2048-bit keys will be returning to the

RE: Has there been a change in US banking regulations recently?

2010-08-15 Thread Ray Dillinger
On Fri, 2010-08-13 at 14:55 -0500, eric.lengve...@wellsfargo.com wrote: Moore's law helped immensely here. In the last 5 years systems have gotten about 8 times faster, reducing the processing cost of crypto a lot. The big drawback is that those who want to follow NIST's recommendations

RE: Has there been a change in US banking regulations recently?

2010-08-15 Thread Peter Gutmann
Ray Dillinger b...@sonic.net writes: On Fri, 2010-08-13 at 14:55 -0500, eric.lengve...@wellsfargo.com wrote: The big drawback is that those who want to follow NIST's recommendations to migrate to 2048-bit keys will be returning to the 2005-era overhead. Either way, that's back in line with the

Re: Has there been a change in US banking regulations recently?

2010-08-14 Thread Chris Palmer
Anne Lynn Wheeler writes: subset ... was based on computational load caused by SSL cryptography in the online merchant scenario, it cut thruput by 90-95%; alternative to handle the online merchant scenario for total user interaction would have required increasing the number of servers

Re: Has there been a change in US banking regulations recently?

2010-08-14 Thread Anne Lynn Wheeler
On 08/13/2010 03:16 PM, Chris Palmer wrote: When was this *ever* true? Seriously. re: http://www.garlic.com/~lynn/2010m.html#50 ... original design/implementation. The very first commerce server implementation by the small client/server startup (that had also invented SSL) ... was mall

Re: Has there been a change in US banking regulations recently?

2010-08-14 Thread The Fungi
On Fri, Aug 13, 2010 at 09:32:57AM -0700, Jeff Simmons wrote: It wouldn't surprise me if there's been some blowback from the adoption of PCI-DSS (Payment Card Industry Data Security Standards). As someone who has had to help several small to medium size businesses comply with these 'voluntary'

RE: Has there been a change in US banking regulations recently?

2010-08-14 Thread eric.lengvenis
Ann Lynn Wheeler wrote: the original requirement for SSL deployment was that it was on from the original URL entered by the user. The drop-back to using SSL for only small subset ... was based on computational load caused by SSL cryptography in the online merchant scenario, it cut

Re: Has there been a change in US banking regulations recently?

2010-08-14 Thread Thor Lancelot Simon
On Fri, Aug 13, 2010 at 02:55:32PM -0500, eric.lengve...@wellsfargo.com wrote: The big drawback is that those who want to follow NIST's recommendations to migrate to 2048-bit keys will be returning to the 2005-era overhead. Dan Kaminsky provided some benchmarks in a different thread on this

Re: Has there been a change in US banking regulations recently?

2010-08-13 Thread Jeff Simmons
On Friday 13 August 2010 04:59, Peter Gutmann wrote: As part of a thread on another list, I noticed that Bank of America, who until recently didn't bother protecting the page where users are expected to enter their credentials with anything more substantial than a GIF of a padlock, now finally

Re: Has there been a change in US banking regulations recently?

2010-08-13 Thread John Levine
What on earth happened? Was there a change in banking regulations in the last few months? No, but we know that banks move in herds, and they mostly talk to each other, not anyone with outside expertise. More likely someone noticed that computers are a lot faster than they were a decade ago, you

Re: Has there been a change in US banking regulations recently?

2010-08-13 Thread Jon Callas
What on earth happened? Was there a change in banking regulations in the last few months? Possibly it's related to PCI DSS and other work that BITS has been doing. Also, if one major player cleans up their act and sings about how cool they are, then that can cause the ice to break. Another

RE: Has there been a change in US banking regulations recently?

2010-08-13 Thread eric.lengvenis
Jeff Simmons wrote: It wouldn't surprise me if there's been some blowback from the adoption of PCI-DSS (Payment Card Industry Data Security Standards). As someone who has had to help several small to medium size businesses comply with these 'voluntary' standards, the irony of the fact that

Re: Has there been a change in US banking regulations recently?

2010-08-13 Thread Anne Lynn Wheeler
On 08/13/2010 02:12 PM, Jon Callas wrote: What on earth happened? Was there a change in banking regulations in the last few months? Possibly it's related to PCI DSS and other work that BITS has been doing. Also, if one major player cleans up their act and sings about how cool they are, then