Add command to *cert to show active certificate fingerprint #497

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2026-10-05T04:25:17+02:00

adam commented

2026-10-05 04:25:17 +02:00

Right now, in order to get the fingerprint of a user's loaded certificate, they need to parse it out manually by running openssl x509 -sha1 -noout -fingerprint -in cert.pem | sed -e 's/^.*=//;s/://g;y/ABCDEF/abcdef/'. It would be nice if the Cert module had a command (Show, maybe) that would print the fingerprint of the cert currently in use.

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Right now, in order to get the fingerprint of a user's loaded certificate, they need to parse it out manually by running `openssl x509 -sha1 -noout -fingerprint -in cert.pem | sed -e 's/^.*=//;s/://g;y/ABCDEF/abcdef/'`. It would be nice if the Cert module had a command (`Show`, maybe) that would print the fingerprint of the cert currently in use. ## <bountysource-plugin> --- Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/9360043-add-command-to-cert-to-show-active-certificate-fingerprint?utm_campaign=plugin&utm_content=tracker%2F1759&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F1759&utm_medium=issues&utm_source=github). </bountysource-plugin>

adam commented

2026-10-05 04:25:18 +02:00

And of course I completely forgot that you can always just run /whois on yourself and most servers will tell you the fingerprint you're using, so this probably isn't necessary. I'll leave this open so that you guys can decide if it might be useful anyway (e.g. so you can get the certificate fingerprint without being connected to a server or on servers that don't return it) or if you want to close it.

And of course I completely forgot that you can always just run `/whois` on yourself and most servers will tell you the fingerprint you're using, so this probably isn't necessary. I'll leave this open so that you guys can decide if it might be useful anyway (e.g. so you can get the certificate fingerprint without being connected to a server or on servers that don't return it) or if you want to close it.

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Reference: adam/znc#497