How do I determine the expiration date of a p12 certificate?

1511 단어
First you will need to translate the pkcs12 certificate into a PEM certificate. The PEM certificate is only needed temporarily and can later be removed.
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5 $ openssl pkcs12 - in certificate.p12 -out tempcrt.pem Enter Import Password: MAC verified OK Enter PEM pass phrase: Verifying - Enter PEM pass phrase:
 
Now, we use the tempcrt.pem that we generated to determine the expiration date. The first method, which only displays the expiration date can be retrieved like this:
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2 $ openssl x509 - in tempcrt.pem -noout -enddate notAfter=Jan  3 23:19:24 2009 GMT
 
The second method which includes a lot more detail about the certificate below, I’ve only included the details relevant to the creation and expiration dates.
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6 $ openssl x509 - in tempcrt.pem -noout -text          [ ... snip ... ]          Validity              Not Before: Jan  3 23:19:24 2008 GMT              Not After : Jan  3 23:19:24 2009 GMT          [ ... snip ... ]

http://bsdsupport.org/how-do-i-determine-the-expiration-date-of-a-p12-certificate/

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