Re: For discussion: MECAI: Mutually Endorsing CA Infrastructure

2012-02-08 Thread Ondrej Mikle
On 02/07/2012 09:58 PM, Kai Engert wrote: On 07.02.2012 17:54, Ondrej Mikle wrote: The phone calls would ensure that each registered person will be aware of the certificate issuance. This is getting very close to EV validation (Sovereign Keys have the same issue). I'd say making phone

Re: For discussion: MECAI: Mutually Endorsing CA Infrastructure

2012-02-08 Thread Rob Stradling
On 08/02/12 12:43, Ondrej Mikle wrote: On 02/07/2012 09:58 PM, Kai Engert wrote: snip That's a reason why I propose vouchers to be IP specific. In my understanding, each IP will have only a single certificate, regardless from where in the world you connect to it. It's not true in general.

Re: For discussion: MECAI: Mutually Endorsing CA Infrastructure

2012-02-08 Thread Ondrej Mikle
On 02/07/2012 06:04 PM, Kai Engert wrote: The CA will remember the assocation {IP, certificate}. In future requests, as long as this requesting IP requests a voucher for the same certificate, the described bidirectional authentication and verification will be sufficient. Just a technicality:

Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Jean-Marc Desperrier
Hi, Google just published the changes they are about to do in the revocation checking in Chrome : http://www.imperialviolet.org/2012/02/05/crlsets.html In my opinion, maybe somewhat opposite to the way they describe it, fundamentally they are not *at* *all* changing the standard PKI method

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Kai Engert
My criticism: (a) I don't like it that the amount of CRLs will be a subset of all CRLs. What about all the revoked certificates that aren't included in the list? With a dynamic mechanism like OCSP (and in the future OCSP stapling) you don't have to make a selection. (b) I don't like it

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Eddy Nigg
On 02/08/2012 09:58 PM, From Jean-Marc Desperrier: Whereas the optimal solution would be to download each day a delta CRL, with only the difference with the previous day, and containing only the revocation reasons you *really* care about (key compromise). A certificate can be either valid,

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Eddy Nigg
On 02/09/2012 12:18 AM, From Nelson B Bolyard: Will they really include the CRLs from all of mozilla's trusted CAs? Won't the union of all those CRLs be huge, even if they strip off certain reason codes? BTW, this proposal wouldn't be a problem if it would cover, lets say the top 500 sites

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Brian Smith
Eddy Nigg wrote: On 02/09/2012 12:18 AM, From Nelson B Bolyard: BTW, this proposal wouldn't be a problem if it would cover, lets say the top 500 sites and leave the rest to the CAs. There would be probably also the highest gains. Effectively, we would be making the most popular servers on the

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread ianG
On 9/02/12 06:58 AM, Jean-Marc Desperrier wrote: In conclusion I'm 100% in favor of Mozilla adopting this solution, +1 I haven't looked closely but I'm confident they will do the right thing in this area. iang -- dev-tech-crypto mailing list dev-tech-crypto@lists.mozilla.org

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Robert Relyea
On 02/08/2012 04:20 PM, Brian Smith wrote: However, I don't think we should reject Google's improvement here because it isn't perfect. OCSP fetching is frankly a stupid idea, and AFAICT, we're all doing it mostly because everybody else is doing it and we don't want to look less secure. In the

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread ianG
On 9/02/12 09:18 AM, Nelson B Bolyard wrote: On 2012/02/08 12:57 PDT, Kai Engert wrote: My criticism: [snip] Won't the set of CRLs be too big for download? [snip] This is my question as well. Will they really include the CRLs from all of mozilla's trusted CAs? Won't the union of all those

Re: Google about to fix the CRL download mechanism in Chrome

2012-02-08 Thread Eddy Nigg
On 02/09/2012 02:20 AM, From Brian Smith: Effectively, we would be making the most popular servers on the internet faster, and giving them a significant competitive advantage over less popular servers. I am not sure this is compatible with Mozilla's positions on net neutrality and related