Created
January 6, 2015 16:23
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openssl certificate expiry date
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| #get certificate issuer/expiry date | |
| $echo | openssl s_client -connect google.com:443 2>/dev/null | openssl x509 -noout -issuer -subject -dates | |
| issuer= /C=US/O=Google Inc/CN=Google Internet Authority G2 | |
| subject= /C=US/ST=California/L=Mountain View/O=Google Inc/CN=*.google.com | |
| notBefore=Dec 11 12:49:14 2013 GMT | |
| notAfter=Apr 10 00:00:00 2014 GMT | |
| # Hash value | |
| $ echo | openssl s_client -connect google.com:443 2>/dev/null | openssl x509 -noout -hash | |
| a18bd28a | |
| #MD5 fingerprint | |
| $ echo | openssl s_client -connect google.com:443 2>/dev/null | openssl x509 -noout -fingerprint | |
| SHA1 Fingerprint=AD:3C:56:FB:E8:C0:62:B0:FF:89:21:52:98:B1:A1:D4:94:A4:1C:84 | |
| #Extract all information from an SSL certificate | |
| $ echo | openssl s_client -connect google.com:443 2>/dev/null | openssl x509 -noout -text |
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