How do I check to see how many days are left for the validity of a certificate. Is there a openssl command which tells me the days or time left?

 

X509_cmd_current_time returns a positive integer if a certificate is till valid? What does this signify? Is there a way to convert this to the time left?

 

What I am trying to do is write a app to check the certificate and give me the days left.

 

satish

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