Questions about signing an intermediate CA
turgon at mike-leone.com
Wed Feb 12 17:32:04 UTC 2020
So we are mostly a MS Windows shop. But I use a Linux openssl as my root
CA. What I am planning on doing, is creating a Windows intermediate CA, and
using that to sign all my internal requests. But before I do that, I have a
couple of questions.
I have the steps to install the certificate services in AD, and create an
intermediate CA request. What I'm wondering is, do I sign that cert
differently than any normal cert? I don't see why I would. I mean, the
request should specify that it wants to be a CA, and so I should just be
openssl ca -in <file> -out <file>
and maybe the -extfile, to specify SANs.
Am I correct in thinking that? I see many, many openssl examples, but
they're all for creating an intermediate CA using openssl, which I'm not
doing. And the rest of the examples seem to be how to sign using the
resulting intermediate CA cert itself, which again, is not what I will be
Any pointers appreciated. Thanks!
Mike. Leone, <mailto:turgon at mike-leone.com>
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