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
Kyle Isom
d66cfe1145