Considering Debian doesn't allow new account creation on it's Wiki, I'll just post it here so someone else can add it to their list:
RAVEfinity PPA gpgv:/var/lib/apt/lists/ppa.launchpad.net_ravefinity- project_ppa_ubuntu_dists_xenial_InRelease: The repository is insufficiently signed by key AB3C11871E5ADDD637F8BAA89B0BBF00E2D0EBE9 (weak digest) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1558331 Title: message "The repository is insufficiently signed by key (weak digest)" is poorly worded Status in apt package in Ubuntu: Confirmed Bug description: The title pretty much says it all. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1558331/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp