I am a little confused on all this certificate stuff. I want to create a certificate with a private key (exportable if possible). How do I do that. I already have a .pfx file. Can I use that to create a certificate with that private key?
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`openssl pkcs12 -info -in path_to_file.pfx` shows you all information about pfx file. – user1516873 Dec 21 '12 at 12:22
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do I have to download openssl? Or is it native with windows products? – SoftwareSavant Dec 21 '12 at 12:39
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openssl is open-source tool. You can download it from http://code.google.com/p/openssl-for-windows/downloads/list – user1516873 Dec 21 '12 at 12:44
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Can you explain a bit more on what you intend to do with this PFX certificate? – Raj Jan 03 '13 at 09:29
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A pfx file normally contains a private and a public key. That is why this file is normally password protected.
Depending on your operating system you can create new certificates with openssl or the certificate manager in the system options in windows.
Here is a screen of a actual wildcard certificate:
rekire
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is it possible to generate a certificate from that? Sorry for the dumb questions, I am just confused on the subject... Security was never one of my strong suits – SoftwareSavant Dec 21 '12 at 12:06
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That depends on the key constrains. If this pfx file contains a root certificate so yes, if not no ;) – rekire Dec 21 '12 at 12:08
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E.g. import the certificate in your certificate store and have a look to the key usage fields. – rekire Dec 21 '12 at 12:09