Incident report DFN-PKI: 40 OV certificates with wrong ST

2019-03-12 Thread Jürgen Brauckmann via dev-security-policy
From 2018-10-17 to 2019-03-06, DFN-PKI issued 40 certificates with wrong ST-Field. 35 server certificates, 5 user certificates. Details can be found here: https://bugzilla.mozilla.org/show_bug.cgi?id=1534580 Thanks, Jürgen ___

Incident Report DFN-PKI: Non-IDNA2003 encoded international domain names

2019-01-23 Thread Jürgen Brauckmann via dev-security-policy
We received a report about non-idna2003 encoded international domain names. 4 certificates were affected and are revoked by now. Details can be found here: https://bugzilla.mozilla.org/show_bug.cgi?id=1522080 Please also take note of the ongoing discussion regarding this topic in the CA/B

Re: question about DNS CAA and S/MIME certificates

2018-05-15 Thread Jürgen Brauckmann via dev-security-policy
Am 15.05.2018 um 15:01 schrieb Ryan Sleevi: On Tue, May 15, 2018 at 3:53 AM Jürgen Brauckmann <brauckm...@dfn-cert.de> wrote: Today, site operators have taken steps to secure issuance of server certificates, following the guidance of the BRs. Email certificates are a different us

Re: question about DNS CAA and S/MIME certificates

2018-05-15 Thread Jürgen Brauckmann via dev-security-policy
Ryan Sleevi via dev-security-policy wrote on 14.05.2018 20:52: And that still moves to an 'insecure-by-default', by making every site operator that has taken steps to actually restrict issuance not have those wishes respected. Today, site operators have taken steps to secure issuance of server

Re: Policy 2.6 Proposal: Add prohibition on CA key generation to policy

2018-04-10 Thread Jürgen Brauckmann via dev-security-policy
Am 10.04.2018 um 01:10 schrieb Wayne Thayer via dev-security-policy: Getting back to the earlier question about email certificates, I am now of the opinion that we should limit the scope of this policy update to TLS certificates. The current language for email certificates isn't clear and any

Re: GoDaddy Misissuance Action Items

2017-02-13 Thread Jürgen Brauckmann via dev-security-policy
Gervase Markham via dev-security-policy schrieb: > 1) As with all CAs, update all their domain validation code to use one > of the 10 approved methods; I'm probably confused regarding BRs pre/post Ballot 181: Aren't there only 4 methods per Ballot 181? Jürgen

Re: SHA256 for OCSP response issuer hashing

2016-12-16 Thread Jürgen Brauckmann
Hanno Böck schrieb: > I believe the potential problem is a different one: Systems that accept > SHA256 on certificate signatures, but not on OCSP responses. I don't > know if such systems exist, but if I had to make a bet I'd say they do. Roland does not talk about signature algorithms. He is

Re: Private PKIs, Re: Proposed limited exception to SHA-1 issuance

2016-02-29 Thread Jürgen Brauckmann
Peter Gutmann schrieb: Jürgen Brauckmann <brauckm...@dfn-cert.de> writes: http://www.howtogeek.com/198811/ask-htg-whats-the-deal-with-androids-persistent-network-may-be-monitored-warning/ Ugh, yuck! So on the one hand we have numerous research papers showing that Android apps that b

Re: Remove Roots used for only Email and CodeSigning?

2015-09-08 Thread Jürgen Brauckmann
Ryan Sleevi schrieb: I fear that others using the store for S/MIME or code-signing would think the same as you. The reality is that this is not the case, which is why it's all the more reason to make an informed decision. As it stands, you could do each of those things I explicitly mentioned

Re: FOITT does no longer support OCSP

2015-02-06 Thread Jürgen Brauckmann
One affected host: https://www.bit.admin.ch It's cert contains an OCSP-AIA http://www.pki.admin.ch/aia/ocsp;, which currently gives an HTTP 503. Juergen Rob Stradling schrieb: On 06/02/15 15:00, Richard Barnes wrote: Does the FOITT cert chain up to one of the roots in the Mozilla program?

Re: Client certs

2014-09-26 Thread Jürgen Brauckmann
Gervase Markham schrieb: A question which occurred to me, and I thought I'd put before an audience of the wise: * What advantages, if any, do client certs have over number-sequence widgets such as e.g. the HSBC Secure Key, used with SSL?

Cloudflare heartbleed challenge, Re: Revocation Policy

2014-04-12 Thread Jürgen Brauckmann
Am 10.04.2014 21:34, schrieb Erwann Abalea: FWIW, I'm pretty confident that my private key hasn't been compromised, even if my personal server was Heartbleed-enabled. So far, private key leaks have been demonstrated on FreeBSD systems, not on Linux. And only when the first request after the