jeudi 8 janvier 2015

How to get certificate type from SSL Certificate of a domain?


I ran the following commands in Linux to get 'Period of validity' and 'Issuer' of a domain respectively



openssl s_client -connect www.example.com:443 2>/dev/null | openssl x509 -noout -dates


output:



notBefore=Nov 6 00:00:00 2014 GMT


notAfter=Nov 13 12:00:00 2015 GMT




openssl s_client -connect www.example.com:443 2>/dev/null | openssl x509 -noout -issuer


Output:



issuer= /C=US/O=DigiCert Inc/OU=http://ift.tt/1mUHKzG SHA2 High Assurance Server CA



Similarly Is there any way to get Certificate Type (EV/OV/DV) from the certificate?


I tried the following command and get entire certificate at output, but can't find Certificate Type from it.



openssl s_client -connect google.com:443 2>/dev/null | openssl x509 -noout -issuer


Is it possible to get certificate type? Any help would be much appreciated.



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