Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-27 Thread Richard Salz
(For what it's worth, I find your style of monocase and ellipses so incredibly difficult to read that I usually delete your postings unread.) as previously mentioned, somewhere back behind everything else ... there is strong financial motivation in the sale of the SSL domain name digital

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-26 Thread dan
as previously mentioned, somewhere back behind everything else ... there is strong financial motivation in the sale of the SSL domain name digital certificates. While I am *not* arguing that point, per se, if having a better solution would require, or would have required, no more

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-26 Thread Ian G
On 25/08/10 11:04 PM, Richard Salz wrote: A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many round-trips. In fact, the RTT costs are now more prohibitive than the crypto costs. I was quite surprised to hear this; he was stunned to find

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-26 Thread Anne Lynn Wheeler
On 08/26/2010 06:38 AM, d...@geer.org wrote: While I am *not* arguing that point, per se, if having a better solution would require, or would have required, no more investment than the accumulated profits in the sale of SSL domain name certs, we could have solved this by now. the profit from

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-26 Thread Paul Wouters
On Thu, 26 Aug 2010, d...@geer.org wrote: as previously mentioned, somewhere back behind everything else ... there is strong financial motivation in the sale of the SSL domain name digital certificates. While I am *not* arguing that point, per se, if having a better solution would require,

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-26 Thread Chris Palmer
Richard Salz writes: A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many round-trips. In fact, the RTT costs are now more prohibitive than the crypto costs. I was quite surprised to hear this; he was stunned to find it out.

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-25 Thread Richard Salz
Also, note that HSTS is presently specific to HTTP. One could imagine expressing a more generic STS policy for an entire site A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many round-trips. In fact, the RTT costs are now more

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-25 Thread Steven Bellovin
On Aug 25, 2010, at 9:04 20AM, Richard Salz wrote: Also, note that HSTS is presently specific to HTTP. One could imagine expressing a more generic STS policy for an entire site A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-25 Thread Anne Lynn Wheeler
On 08/25/2010 09:04 AM, Richard Salz wrote: Also, note that HSTS is presently specific to HTTP. One could imagine expressing a more generic STS policy for an entire site A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many round-trips. In

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-25 Thread =JeffH
A really knowledgeable net-head told me the other day that the problem with SSL/TLS is that it has too many round-trips. In fact, the RTT costs are now more prohibitive than the crypto costs. Yes, although that's a different class of issue from the ones we're trying to address in hasmat and

Re: towards https everywhere and strict transport security (was: Has there been a change in US banking regulations recently?)

2010-08-23 Thread bmanning
On Sun, Aug 22, 2010 at 11:51:01AM -0400, Anne Lynn Wheeler wrote: On 08/22/2010 06:56 AM, Jakob Schlyter wrote: There are a lot of work going on in this area, including how to use secure DNS to associate the key that appears in a TLS server's certificate with the the intended domain name

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

Has there been a change in US banking regulations recently?

2010-08-13 Thread Peter Gutmann
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 use HTTPS on their home page, and redirect HTTP to HTTPS

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