Created
February 23, 2011 08:15
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Extracting information from an SSL certificate using OpenSSL
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# Using the -text option will give you the full breadth of information. | |
openssl x509 -text -in cert.pem | |
# Other options will provide more targeted sets of data. | |
# 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 |
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