I wanted to test Jitsi so I went to your download page . Since I am
a Fedora user I have 2 binary options:
1. download the RPM file
This file is shipped through HTTPS but it isn't signed with an GPG key.
2. install the repository
I am instructed by  to create a jitsi.repo file. This file suggests
to disable the gpgcheck and doesn't ship a GPG file. Additionally, it
proposes to use a jitsi.repo file which does not exist (wrong/broken
Can you please sign your packages and repositories?