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howtos:how_do_i_extract_information_from_a_certificate

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howtos:how_do_i_extract_information_from_a_certificate [d/m/Y H:i] (current)
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 +Using the -text option will give you the full breadth of information.
  
 +<​code>​
 +openssl x509 -text -in cert.pem
 +</​code>​
 +
 +Other options will provide more targeted sets of data.
 +
 +<​code>​
 +# who issued the cert?
 +openssl x509 -noout -in cert.pem -issuer
 +
 +
 +# to whom was it issued?
 +openssl x509 -noout -in cert.pem -subject
 +
 +# for what dates is it valid?
 +openssl x509 -noout -in cert.pem -dates
 +
 +# the above, all at once
 +openssl x509 -noout -in cert.pem -issuer -subject -dates
 +
 +# what is its hash value?
 +openssl x509 -noout -in cert.pem -hash
 +
 +# what is its MD5 fingerprint?​
 +openssl x509 -noout -in cert.pem -fingerprint
 +</​code>​
howtos/how_do_i_extract_information_from_a_certificate.txt · Last modified: d/m/Y H:i (external edit)