Cocoa and X509 certs?
Cocoa and X509 certs?
- Subject: Cocoa and X509 certs?
- From: Steven Palm <email@hidden>
- Date: Tue, 30 Nov 2004 19:13:57 -0600
I'm writing an app that is a GUI front-end for a command line tool that
uses certs. I wanted to provide the ability to allow the user to manage
a certificate library and various configurations which use various
certs. Everything is working great, and I have a routine that will take
the PEM-encoded certificate they imported and using the
SecCertificateCreateFromData and SFCertificatePanel to allow the user
to view the certificate.
Now, if the cert is valid, everything works as expected. If it's not
valid, the SFCertificatePanel lets the user know, but I'm wondering
what is the easiest way to validate (as in form, not valid as in
authentication) the certificate on import to let the user know if it is
good or not.
I'm really surprised that as widely used as the openssl library is that
documentation can be (or seem to be) in such poor shape... at least for
someone who knows very little about all the intricacies of certificates
and just wants the bare bones capabilities: read a cert
(auto-determine whether in DER, PEM, etc format), verify that it is
proper, and extract bits of information like the expiration date,
issuer, subject, etc...
Can anyone recommend some good sample code for Cocoa to deal with this?
I've looked long and hard, and turned up next to nothing.
Other than that, any good (relatively novice-level) tutorials or howto
documents on the web that I somehow missed?
THANKS!
Steve
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