View a certificate fingerprint

It’s possible to check a certificate fingerprint using openssl: SHA-1 openssl x509 -noout -fingerprint -sha1 -inform pem -in [cert-file]openssl x509 -noout -fingerprint -sha1 -inform pem -in [cert-file] SHA-256 openssl x509 -noout -fingerprint -sha256 -inform pem -in [cert-file]openssl x509 -noout -fingerprint -sha256 -inform pem -in [cert-file] MD5 openssl x509 -noout -fingerprint -md5 -inform pem -in [cert-file]openssl… Continue reading “View a certificate fingerprint”

Using fingerprint authentication on Fedora 26

I’ve never ever had any problem using fingerprint authentication on openSUSE 42.1, it worked just out of the box, but when I switched back to Fedora (again), I had some issues configuring it. On Fedora 26, by default, fingerprint authentication works only for logins but not for sudo. To enable this: authconfig –enablefingerprint –update If… Continue reading “Using fingerprint authentication on Fedora 26”