Import-all-ppa-keys is a project mainly written in ..., it's free.
Copy of http://dev.firefly-it.de/repositories/show/lki
This is a copy of the "import-all-ppa-keys" script from:
http://dev.firefly-it.de/repositories/show/lkiThe copy is based on revision 614d1a16b32410c016623418c5e7bab5df2f2112.
Since access to the actual repository was nowhere to be found, this clone has no history.