Re: [cryptography] Auditable CAs

2011-12-07 Thread Ben Laurie
On Tue, Dec 6, 2011 at 10:48 AM, Florian Weimer fwei...@bfk.de wrote: * Ben Laurie: Given the recent discussion on Sovereign Keys I thought people might be interested in a related, but less ambitious, idea Adam Langley and I have been kicking around:

Re: [cryptography] Auditable CAs

2011-12-06 Thread Florian Weimer
* Ben Laurie: Given the recent discussion on Sovereign Keys I thought people might be interested in a related, but less ambitious, idea Adam Langley and I have been kicking around: http://www.links.org/files/CertificateAuthorityTransparencyandAuditability.pdf. Why wouldn't the problem we

Re: [cryptography] Auditable CAs

2011-11-30 Thread Ben Laurie
On Wed, Nov 30, 2011 at 1:18 AM, Marsh Ray ma...@extendedsubset.com wrote: On 11/27/2011 03:00 PM, Ben Laurie wrote: Given the recent discussion on Sovereign Keys I thought people might  be interested in a related, but less ambitious, idea Adam Langley and I have been kicking around:

Re: [cryptography] Auditable CAs

2011-11-30 Thread Marsh Ray
On 11/30/2011 05:24 AM, Ben Laurie wrote: On Wed, Nov 30, 2011 at 1:18 AM, Marsh Rayma...@extendedsubset.com wrote: Perhaps the relevant property is certs issued by a browser-trusted CA or subordinate regardless of their visibility. If they are not visible, why would we care whether they

Re: [cryptography] Auditable CAs

2011-11-30 Thread Ben Laurie
On Wed, Nov 30, 2011 at 5:16 PM, Marsh Ray ma...@extendedsubset.com wrote: On 11/30/2011 05:24 AM, Ben Laurie wrote: On Wed, Nov 30, 2011 at 1:18 AM, Marsh Rayma...@extendedsubset.com  wrote: Perhaps the relevant property is certs issued by a browser-trusted CA or subordinate regardless of

Re: [cryptography] Auditable CAs

2011-11-30 Thread ianG
On 28/11/11 08:00 AM, Ben Laurie wrote: Given the recent discussion on Sovereign Keys I thought people might be interested in a related, but less ambitious, idea Adam Langley and I have been kicking around: http://www.links.org/files/CertificateAuthorityTransparencyandAuditability.pdf. I

Re: [cryptography] Auditable CAs

2011-11-29 Thread Marsh Ray
On 11/27/2011 03:00 PM, Ben Laurie wrote: Given the recent discussion on Sovereign Keys I thought people might be interested in a related, but less ambitious, idea Adam Langley and I have been kicking around: http://www.links.org/files/CertificateAuthorityTransparencyandAuditability.pdf. Some

Re: [cryptography] Auditable CAs

2011-11-28 Thread Chris Richardson
Today, a site operator can opt-out of the CA system by using a self-signed certificate. When users go to the site they get a warning that they blindly click-through. This degrades one of the main benefits of the CA system. Browsers will need to require (at some point in the future) that all

Re: [cryptography] Auditable CAs

2011-11-28 Thread Ben Laurie
On Mon, Nov 28, 2011 at 10:39 AM, Chris Richardson ch...@randomnonce.org wrote: Today, a site operator can opt-out of the CA system by using a self-signed certificate.  When users go to the site they get a warning that they blindly click-through.  This degrades one of the main benefits of the

Re: [cryptography] Auditable CAs

2011-11-28 Thread Seth David Schoen
Ben Laurie writes: How will the opt-out mechanism work so that it is not degraded by uses clicking through a warning? Don't quite understand the question: if you have opted out you shouldn't get a warning, surely? I think that question was about unilateral client-side opt-out (users

Re: [cryptography] Auditable CAs

2011-11-28 Thread Ben Laurie
On Mon, Nov 28, 2011 at 6:46 PM, Seth David Schoen sch...@eff.org wrote: Ben Laurie writes: How will the opt-out mechanism work so that it is not degraded by uses clicking through a warning? Don't quite understand the question: if you have opted out you shouldn't get a warning, surely?

Re: [cryptography] Auditable CAs

2011-11-28 Thread Chris Richardson
Right. Or to think about it a different way: Facebook uses a CA-signed cert. Users connecting to Facebook get no errors/warnings (assuming no one mucks with the connection) If someone is mucking with my connection, I get a self-signed Facebook cert and the appropriate warning screen. In this

Re: [cryptography] Auditable CAs

2011-11-27 Thread Tom Ritter
So my biggest question is what defines a publically visible certificate? Of course every certificate gmail uses would be public... but what about the cert that corresponds to the new product google is launching that's in beta for a few users? That cert should be published... but then that lets

Re: [cryptography] Auditable CAs

2011-11-27 Thread Ben Laurie
On Sun, Nov 27, 2011 at 10:54 PM, Tom Ritter t...@ritter.vg wrote: So my biggest question is what defines a publically visible certificate?  Of course every certificate gmail uses would be public... but what about the cert that corresponds to the new product google is launching that's in beta