The gpg keys for all (most?) source packages are found in the package 'debian-keyring'. Simply installing that with apt-get will fix these errors.
** Changed in: wireshark (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/939325 Title: Integrity of wireshark source cannot be verified To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wireshark/+bug/939325/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs