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-elgg_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:42:40 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6730fa20e1ae49ae896434395d4d4019cdcd563c * md5sum 7cd98ba753c9034c412053f07a871782 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) iQEcBAABAgAGBQJSXlF5AAoJEIXCXpWhbrlNUgUIAOrPHvuzRWQdun6Xvy8lx2pP 1JjUKZtpfNz4x4E00E9XqLFTcE+ZpBMVWuJZte6V27AFgG7+KhAwRqGzGtJ8evjP Po9ABDBhag0ZVJWxc79/v/Ga45TscbYcNx38SH/yHxzGuoubZ7oB5OtWlIh/aO6i Vob5U6wDCOaNLQEejcANu3xOI6cmGtswYCiOnA5f1t8hpkx6lrDwV5wp7kl0dlry msdFjYAs/USvk7jbQB9BsPnoC4WAuH6ihOmodx+EEgMirCPLbU762CeyuMOBJkBO E26dPUIyAyd8u4TPwG1TczE+fuOneg1HcvJxdQSP4pBOA80m7IBMFZ1xgXO+yHA= =oDu8 -----END PGP SIGNATURE-----