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-7-turnkey-lapp_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:57:05 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 52f9009dd8492aac402232a664442a7f6c4d57a0 * md5sum 1067cc32f836ea8a3dda1193a7701ca7 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXlTbAAoJEIXCXpWhbrlNqHEIAN1EMFaA8GPlyQw9KkWN1tJZ PPoY9lTV3FRGNW2JLIaGKaS0q7PpICumZ4aGlsr7o6Fqdlqli8rV34aLxZne0nCq 9mmY3hoXo+my6Hcvo1fOlNiEYymhdCQB4rWcTTivXPuBlULrGFSvo/KTw4f8tNqJ qaMnypivllk76ct6TP7xUKARfRJ8x9Kr9nbjt0vNE7MC8QSal3qMwzo/4P54LRPK wzIaKbD7rbOCrY6h8PxhT38ZulsZ0cX7CzMQhaeNCqDS8SH7ftQ0XQS/KibEP5eL PuovjVH4fNd1XeKFINNfNRLg8/lvvvk5NlEJtqHB0TAtUBssA9PPSRI5N27t9kU= =CSeB -----END PGP SIGNATURE-----