Here's what I've accomplished so far..

I've set up a CA, fairly easy and standard.
I've gotten the CA's cert into the cisco router for use for known-CA
  verification.
I've gotten the router to make a certificate signing request, but it's
  making the request in a PKCS7 format. But since I'm less than savvy
  when it comes to quite a bit of this stuff, I can't seem to figure out
  which part of the PKCS7 object I'm to sign, and exactly how to sign it.

This URL contains quite a bit of information that someone with more
knowledge than I do could make some sense of, and may be able to figure
out what needs to be done. The PKCS7 object is at the bottom of this
message as well.

http://www.cisco.com/warp/public/cc/cisco/mkt/security/tech/scep_wp.htm

I'm having a feeling that the solution is going to require me writing a
program to tear apart the PKCS7 object and do something with it. So, if
anyone has a pointer to an introduction to programming with OpenSSL (and
a good technical explanation of encryption and what not), or has the time
and patience to give me a quick start, it'd be muchly appreciated.

Thanks!
Matt Burgoon
([EMAIL PROTECTED])

-----BEGIN PKCS7-----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-----END PKCS7-----


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