Re: Mozilla RSA-PSS policy

2017-12-01 Thread Hubert Kario via dev-security-policy
On Friday, 1 December 2017 17:11:56 CET Ryan Sleevi wrote: > On Fri, Dec 1, 2017 at 10:23 AM, Hubert Kario wrote: > > and fine for NSS too, if that changes don't have to be implemented in next > > month or two, but have to be implemented before NSS with final TLS 1.3 > > version > > ships > > Is

Re: Mozilla RSA-PSS policy

2017-12-01 Thread Hubert Kario via dev-security-policy
On Friday, 1 December 2017 16:33:10 CET Jakob Bohm via dev-security-policy wrote: > On 01/12/2017 16:23, Hubert Kario wrote: > > On Friday, 1 December 2017 15:33:30 CET Ryan Sleevi wrote: > >> On Fri, Dec 1, 2017 at 7:34 AM, Hubert Kario wrote: > It does feel like again the argument is The C

Re: Mozilla RSA-PSS policy

2017-12-01 Thread Hubert Kario via dev-security-policy
On Friday, 1 December 2017 15:33:30 CET Ryan Sleevi wrote: > On Fri, Dec 1, 2017 at 7:34 AM, Hubert Kario wrote: > > > It does feel like again the argument is The CA/EE should say 'I won't do > > > > X' > > > > > so that a client won't accept a signature if the CA does X, except it > > > doesn't

Re: Mozilla RSA-PSS policy

2017-12-01 Thread Hubert Kario via dev-security-policy
On Thursday, 30 November 2017 21:49:42 CET Ryan Sleevi wrote: > On Thu, Nov 30, 2017 at 3:23 PM, Hubert Kario wrote: > > On Thursday, 30 November 2017 18:46:12 CET Ryan Sleevi wrote: > > > On Thu, Nov 30, 2017 at 12:21 PM, Hubert Kario > > > > wrote: > > > > if the certificate is usable with PKC

Re: Mozilla RSA-PSS policy

2017-11-30 Thread Hubert Kario via dev-security-policy
On Thursday, 30 November 2017 18:46:12 CET Ryan Sleevi wrote: > On Thu, Nov 30, 2017 at 12:21 PM, Hubert Kario wrote: > > if the certificate is usable with PKCS#1 v1.5 signatures, it makes it > > vulnerable to attacks like the Bleichenbacher, if it is not usable with > > PKCS#1 > > v1.5 it's not v

Re: Mozilla RSA-PSS policy

2017-11-30 Thread Hubert Kario via dev-security-policy
On Wednesday, 29 November 2017 21:59:39 CET Ryan Sleevi wrote: > On Wed, Nov 29, 2017 at 1:09 PM, Hubert Kario wrote: > > > So are you stating you do not believe cross-algorithm attacks are > > > > relevant? > > > > No, I don't believe that cross-algorithm attacks from RSA-PSS to PKCS#1 > > v1.5

Re: Mozilla RSA-PSS policy

2017-11-29 Thread Hubert Kario via dev-security-policy
On Wednesday, 29 November 2017 17:00:58 CET Ryan Sleevi wrote: > On Wed, Nov 29, 2017 at 7:55 AM, Hubert Kario via dev-security-policy < > > dev-security-policy@lists.mozilla.org> wrote: > > Because I do not consider making the salt length rigid (one value allowed > > f

Re: Mozilla RSA-PSS policy

2017-11-29 Thread Hubert Kario via dev-security-policy
On Tuesday, 28 November 2017 17:09:03 CET Ryan Sleevi wrote: > On Tue, Nov 28, 2017 at 8:04 AM, Hubert Kario wrote: > > On Monday, 27 November 2017 23:37:59 CET Ryan Sleevi wrote: > > > On Mon, Nov 27, 2017 at 4:51 PM, Hubert Kario wrote: > > > > > So no, we should not assume well-meaning actors,

Re: Mozilla RSA-PSS policy

2017-11-28 Thread Hubert Kario via dev-security-policy
On Monday, 27 November 2017 23:37:59 CET Ryan Sleevi wrote: > On Mon, Nov 27, 2017 at 4:51 PM, Hubert Kario wrote: > > > So no, we should not assume well-meaning actors, and we should be > > > > explicit > > > > > about what the "intention" of the RFCs is, and whether they actually > > > achieve

Re: Mozilla RSA-PSS policy

2017-11-27 Thread Hubert Kario via dev-security-policy
On Monday, 27 November 2017 20:31:53 CET Ryan Sleevi wrote: > On Mon, Nov 27, 2017 at 12:54 PM, Hubert Kario wrote: > > > On the realm of CA policy, we're discussing two matters: > > > 1) What should the certificates a CA issue be encoded as > > > 2) How should the CA protect and use its private k

Re: Mozilla RSA-PSS policy

2017-11-27 Thread Hubert Kario via dev-security-policy
On Monday, 27 November 2017 17:28:02 CET Ryan Sleevi wrote: > On Thu, Nov 23, 2017 at 7:07 AM, Hubert Kario via dev-security-policy < > > dev-security-policy@lists.mozilla.org> wrote: > > In response to comment made by Gervase Markham[1], pointing out that > > Mozilla &

Re: Mozilla RSA-PSS policy

2017-11-24 Thread Hubert Kario via dev-security-policy
On Thursday, 23 November 2017 20:22:28 CET Jakob Bohm via dev-security-policy wrote: > On 23/11/2017 13:07, Hubert Kario wrote: > > In response to comment made by Gervase Markham[1], pointing out that > > Mozilla doesn't have an official RSA-PSS usage policy. > > > > This is the thread to discuss

Re: Possible future re-application from WoSign (now WoTrus)

2017-11-23 Thread Hubert Kario via dev-security-policy
On Wednesday, 22 November 2017 18:03:53 CET Matthew Hardeman via dev-security- policy wrote: > Hi, > > I touched on my thoughts on this matter a bit before. > > This is really about trust. > > I think several factors must be weighed here: > > 1. Is "trust" really required of a CA in a soon-to-

Mozilla RSA-PSS policy

2017-11-23 Thread Hubert Kario via dev-security-policy
In response to comment made by Gervase Markham[1], pointing out that Mozilla doesn't have an official RSA-PSS usage policy. This is the thread to discuss it and make a proposal that could be later included in Mozilla Root Store Policy[2] I'm proposing the following additions to the Policy (leav