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 debian-6-turnkey-simplemachines_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 15:58:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 46b90b36b035e2ce266a9bd4b5f9420a385c230e * md5sum d80944b59418fd37e2f3f19a73d305aa 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) iQEcBAABAgAGBQJRrg6uAAoJEIXCXpWhbrlNRqgIALI+mQ/AflpkBNklN2UrmK6D CKaKG6Gz8YkOxfGumyodxAsWgrtzUJUUUD/JSzebYSA0qMZnae5eNREHflpGXGI8 r95clmOm3bBK4DohRPQLMIouDV9yx1fYugiF2kIFwY7D9bqT1YayRNeFOu2Fiy67 LgC4dQgYZP7kP/wl5zcRZWGJd+N4oMK9B+3+2Hm2HHockjqpUSDYodrNhN0Zoai2 APHIixZd8v7Esvor64zLukrMQiWQGh40PVkK8nEUR/smX6vXzPmLsBEaqXMdpUDI oorvyIbDFV1XwsjydwQc+3hqcPmqKj0Xf3lDGmbWTWqJU5U66SWiEgyxkD+8HJk= =ee40 -----END PGP SIGNATURE-----