Since the last update of libdvdcss dnf update and dnf install libdvdcss are failing due to wrong GPG key used to sign the package # dnf install libdvdcss.x86_64 Last metadata expiration check: 0:00:00 ago on Sun 11 Feb 2018 11:51:48 AM CET. Dependencies resolved. ============================================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================================= Installing: libdvdcss x86_64 1.4.1-1.fc27.remi livna 71 k Transaction Summary ============================================================================================================================================================================================================= Install 1 Package Total download size: 71 k Installed size: 171 k Is this ok [y/N]: y Downloading Packages: libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm 344 kB/s | 71 kB 00:00 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 243 kB/s | 71 kB 00:00 warning: /var/cache/dnf/livna-cec64278843bd06c/packages/libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 0364b949: NOKEY Importing GPG key 0xA109B1EC: Userid : "Livna.org rpms <rpm-key(a)livna.org&gt;&quot; Fingerprint: 037B 5D9B E1B6 B673 2A23 13B5 7129 5441 A109 B1EC From : /etc/pki/rpm-gpg/RPM-GPG-KEY-livna Is this ok [y/N]: y Key imported successfully Import of key(s) didn't help, wrong key(s)? Public key for libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm is not installed. Failing package is: libdvdcss-1.4.1-1.fc27.remi.x86_64 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-livna The downloaded packages were saved in cache until the next successful transaction. You can remove cached packages by executing 'dnf clean packages'. Error: GPG check FAILED I saw there is bug https://bugzilla.rpmfusion.org/show_bug.cgi?id=4783 , possibly signed with a key valid for that review? Kind regards. Enrico