This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-jenkins-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:58:19 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fdf4d923fde1bae2a5e5c0c7bebe484dea04c4ac * md5sum 85f077af9fb3c1d12a5cd1969a005a2f You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrfJuAAoJEIXCXpWhbrlNbqAIAKWMNurwg04f7uaUTA5b4kuT 5PZZUo5YcdOh3TZr0QtCmK9UMAxmCOgx+FKx/qBAt830ul5XOL/vKsodnKw9GpQ4 ZIR2uQ5373ue/PloMOe/r7AI4lwcf3EfpQVyqJcGi5yJJZUwx8bhBDwDmf22KqXw ZOik4j1i0D7VBhfW12PfNnI2T6u/E0/JC7qMoD8g7e++qB7aFtru4zaUWw9V0wQG ecwxIYNgsDDs5tu7UZDinUFpmTRLY41XjNzBEhGYxLzQjZT2o9YsZ5qGVkffEOlJ b2nN4llfuJ9QZKLzKVVNItmf6dIFUfUclWneVxyQLGpS0xg0cFaFNJYnMppZa6w= =7lr+ -----END PGP SIGNATURE-----