OpenSSL - the Cryptography and TLS Toolkit

Cool Ways to Use OpenSSL

Using OpenSSL to generate random numbers

Using OpenSSL to check file hashes for integrity

Using OpenSSL to work with RSA Public & Private Keys

Using OpenSSL to work with Elliptic Curve Public & Private Keys

IN PROGRESS - Creating an OpenSSL based Certificate Authority with Elliptic Curve Keys

IN PROGRESS - Working with Certificate Files

COMING SOON - Using OpenSSL to Inspect Web Server Certificates