A simple application which checks a given list of certificates against a given list of urls for the following:

• Valid dates
• Domain name validation (Subject Alternative Name or Common Name)
• Minimum RSA key length of 2048 bits
• Not a root certificate
• Is a server certificate

NOTE: Implements strict domain name checking

make clean
make

NOTE: Requires the OpenSSL 1.0 libraries to be installed

./certcheck input.csv

A csv file with the format $cert_file,$url

A csv file called output.csv with the format $cert_file,$url,$valid