[openssl-users] (Probably) Silly Application Programming Question

[Judson Wilson]

I think what you want might be found in the book "Network Security with
OpenSSL" from the year 2002, and the same code snippit can be found here:

http://www.cs.odu.edu/~cs772/ssl/c-examples/NSopenssl/common.c

look for "post_connection_check".

This is just something I remember from reading. I have no experience with
it.

On Sun, Jan 10, 2016 at 7:07 PM, Karl Denninger <karl at denninger.net> wrote:

> Yeah, now I just have to figure out how to parse the X509 Extension data
> from the certificate to pull out the SubjectAltName information.... :-)
>
> There wouldn't be a snippet of code laying around somewhere that does that
> given a X509 cert as input would there?  It looks a bit arcane....
>
> On 1/10/2016 21:04, Judson Wilson wrote:
>
> It's always good to start with the s_client and s_server programs for
> incrementally verifying compatibility in your new programs.  Those would
> have failed on your certificates, alerting you it's not a program problem.
>
> <https://mta.openssl.org/mailman/listinfo/openssl-users>
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>>
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