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-gallery-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 15:55:11 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4a688dbc3e07e75d8ce6891211a55f07d20e37e0 * md5sum f0da0eed2b7201950902c6085046de91 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) iQEcBAABAgAGBQJSXWVVAAoJEIXCXpWhbrlNjCoIAJcJ3qdODNQfGROw/eFFkZIb Ls2J6KiwsTAU7szW86mbCGudDO0p9GxjxRISTCYeFRDr7sRYzKqqvFIAOXF8swUV 1F3dWxLHK1IkafeEdgO/pspUy3Kjqn6V3oK3d3F0y9RBYt6nSvXnTUp7ki0v5co+ eyLYQJedHUchzoPAWyeDT8PMR6FoaoGuoxdZpzVdFRN8Ue3YL/S2DQV4L58oofCu hYDde+MrKyh0DwhpgeCGe6tVo8RDz+LTpu0QiPJuYlXEpFz67AOQB0M1ZUUbAAFk nwJPdH9kILmQjjDHgRJmBHGL9qUmWlKS8A7u+4iYtULGiDhn5MgoCTc7Ge1gzdI= =Oino -----END PGP SIGNATURE-----