readchain

This is a small utility to read a chain of PEM-encoded X.509 certificates
and print their common names. It was written to quickly see what certificates
were in a bundle.

It is called with the files containing chains to read passed in as an
argument. The program has no knobs or widgets to adjust.

Examples:

	$ readchain google.com.pem microsoft.com.pem
	[+] google.com.pem:
	        *.google.com
	        Google Internet Authority G2
	        GeoTrust Global CA
	[+] microsoft.com.pem:
	        microsoft.com
	        MSIT Machine Auth CA 2
	        Microsoft Internet Authority