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-moinmoin-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 14:29:43 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a4cc4de8ea2a571d8f83a3482ad80226e61ec55f * md5sum 220d562e936362e73208191f6a4f1952 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) iQEcBAABAgAGBQJRrfnRAAoJEIXCXpWhbrlNr8EH/RMByiOPEcmpgQyPuMMiZxH2 FKX/Pabnh8tELNd5iJHBLlEGuUYoyEnXntCe1/NoNxzw/V4TcT4BkMEhICppRp+N y8jIxjNhvjfReJ6MleM4naXrLd0ScgAjqK5+eQEuayXAxH4zcoZ313km9ilR8Vrz nvbDspozsg8359NE9UWf9eYs2KaIfMIewdDQrJAgOAtq/b1jtouovAsjSvcxSJj5 g6z9oJdyx2HXl+tPK/bXHs2B3NOrF+A9UDYwUmQj0tlGWmObMeVLgk4TJnnpjWCR uhHudqw6jSA/FALPI+zgB4LFAAnbRhKik/RTY/1bh6FEaS4I8fiHlQstxelns9g= =nyA7 -----END PGP SIGNATURE-----