On 04/04/2010 08:32, Matt McCutchen wrote:
[...]
It would be great if a Mozilla-recognized CA would be willing to give
me, as the registrant of mattmccutchen.net, an intermediate CA
certificate with a critical name constraint limiting it to
mattmccutchen.net.

I don't believe this taking a hammer to crack a nut approach will have much success. Especially since there's also the fact the CA would not be able to constraint the *usage* you give to your certs.

#2. The tooltip of the Firefox SSL badge (a.k.a. "Larry" site identity
button) shows the Organization field of the lowest CA certificate,
[...]  The registrant could
put a misleading value in this field.  [...]  Should Firefox
show the organization name of the root CA instead, since it is
ultimately responsible for all validation paths that end at its trust
bit?

We are to something much more interesting here. I'm not sure it's really a great practice to have only one level that's taken into account there. But then only the root might be a bit too much in the other side. So, maybe something better is needed but it's not easy to decide what.
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