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-bambooinvoice-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:48:59 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 50fd82610b6398815bb1ddaa03e7a204f83a2806 * md5sum 25acda40137b1e32ccc7a5e051c36539 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) iQEcBAABAgAGBQJSc2rzAAoJEIXCXpWhbrlNcI0H/1+25UWV649MjxQt877/6JgZ NPZnMv/YJM/e9SqVlZQXgirU6q9V0kxMKZdLliAYRfc7tWkxESlq6D3P3yfYMZ02 /YbZL2L6pLaOn34Cm5iq48/Wtb4NxKo5EVa8Cqg3KvJP+YGtMuSeVFAKli+gk0Sv akfkH2PZ9fhZ8FC6kJXEFqUmSJv/Icqb9jAe1USM8oBOYkptZoUOa3Gs4v9mLEi8 uswC0gUBsCihqq1Zmq2/uHly++Me7Ts2/xT+Ps4xeOxKayHD2znohcS26l/caAnx FxKBMrzHCOPsXVyX+vKlrv1CMpZZEBl7IqZIWLslwCHDgmewNE8Pv0WitKfbgjs= =eqkN -----END PGP SIGNATURE-----