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-nginx-php-fastcgi_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:21:23 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum b6c2fb960c15b84a7815059deba441b8562b4f81 * md5sum b0bbab76df68e1d14f62ab0b4e5a0f37 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) iQEcBAABAgAGBQJQM5lbAAoJEIXCXpWhbrlN6rgH/0wrB6POTeFrhR6ak/vdTlbH zC7DzQSAbrkPqKB5ixy2ty8WaEVwP3PRcmSWQdy7uaoxHNaEYWlQikWLz9VkQ0r0 HuGWxbuk5LzenydMUJ0fSmhiRykXy362V/WGB0p8XfgxYPE1XqS6FqQVEBW2GW4O F5uitIq9oltnDlXpQMK4VZnsuHs2jgFcif5fhxA4cR2JqeESpYf4SghXrQeDzuyL fsa6vnLgNyYF0QZTFOo7RMq4f/edMPtBKc7+Zm5nGNcdWwEFP+ZYz0TFkexDAoeR JjzwkYIpDDi1K85EAAeKjDZM8xnFZCA70+Onj2QRTSF4zcJppR2eFqPQTtys1TM= =xat7 -----END PGP SIGNATURE-----