Re: [keyassure] Bare keys again

Ben Laurie <benl@google.com> Fri, 25 March 2011 10:12 UTC

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Date: Fri, 25 Mar 2011 10:13:39 +0000
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From: Ben Laurie <benl@google.com>
To: Paul Wouters <paul@xelerance.com>
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Cc: keyassure@ietf.org
Subject: Re: [keyassure] Bare keys again
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On 25 March 2011 09:03, Paul Wouters <paul@xelerance.com> wrote:
> On Wed, 23 Mar 2011, Douglas Otis wrote:
>
>>>
>>> http://blog.torproject.org/blog/detecting-certificate-authority-compromises-and-web-browser-collusion
>>> This is another clear signal that DANE is needed, and the need for the
>>> X509 storage format is unneccessary. So people can simply take control
>>> of SSL for servers within their own DNS zones.
>>
>> Could this end the practice of stapling Certs to server responses that
>> might be cached for weeks to support ultra-fast browsers?  Perfect MitM.  Do
>> these browser insist on seeing valid nonce extensions, as this would hurt
>> performance?
>
> I was also pretty disappointed to see that when you send a
> trusted_ca_keys: pre_agreed value, that this is totally ignored on
> servers, including openssl.org. I have a rough patch for openssl I used
> for testing, but not one that takes any of the other RFC 6066 options (yet)

Happy to shepherd OpenSSL patches...

>
> In fact, if I understood the versioning right, basically no one is
> running TLS v1.2 yet, and the comments in the openssl 1.0.1 snapshot
> suggested it had only partially started on TLs v1.1.
>
> I did not expect this backlog on the TLS implementations.
>
> Paul
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