It pretty easy, the OpenSSL and CURL manuals make it fairly easy but I thought I would put it all here in a single post for you. First in these examples I used the certificates from the http://www.globalsign.com site, I saved the www certificate to globalsignssl.crt and its issuer to globalsignssl.crt. Next you will … Continue reading How to do OCSP requests using OpenSSL and CURL