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-limesurvey-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:13:27 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ba93d231c3ca020e1bef07c0285aa4465c768700 * md5sum f1a67336709f766bc47080d6cad6ef71 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) iQEcBAABAgAGBQJSc3CuAAoJEIXCXpWhbrlN16AH/jhok8WF4kjUzOKkEZ1Ce02V Jt57xmqaJpCdpEQsEHBqHAMyGkhi9jEJwj69/IACMVOR0dR9XQpI9SyUPTXlyte7 P7dTwuXufOux4Ry+KM8tokbVlHwaBnKYyuBVJk2lQMFe18YnuxLqJOkcT3MA+KBY Xmz+4CASLz8cTw8qUX9w2TWN4a2/pNHDYO4PN/kzKJpH5gTJnecg0aOSTXs85+/t NWHb1BqlhwRlvN71CZc5MWLbYDYOsmb99GiGfbLPwgdxXiADCYmiPwtxxirV0ODm zRL/G9fJUMJOWr3T7LGJvIjGvfckoZHSQyvY3NVjKQLXnvr3K0N2udmfCYB8Pfo= =o9jJ -----END PGP SIGNATURE-----