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-xoops_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 10:47:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ce9db8e6254a6a3d2ffcba78600de182ca99db2f * md5sum 1a2bfbca05abb0d686349321691c6228 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) iQEcBAABAgAGBQJSXm6hAAoJEIXCXpWhbrlNe0oH/2ILkIBbVY79q+pZhyxjof0/ qPaVtKG9vx9aOOtSxmE0sfUvF5rzwn/Sc3jlf5KOnVbMSJghUyRKNvcuXSztXfPG /Exsbc8bhQU2vjbjbd69onYSl5LOxAgWqT/MoRaKHkNf0LSpNQGYlMxGl5I9y81l YPNO8Be84pd5PSVPZsG90CifXiBLyL6ul3DGzdKaXHovyZuRL3/QFr1QMFNMB2sS uztqt+Fwp9XbtGt5cV2YQyoxNj/WAO8aNp5orMrjIGVq9rqTmw+U6FZMd55J3r6a HIXRzgDEcj7XwATK7VrL3JkaIzqEnNpn+wUrJgcznSsVEeHc5Ix8wHjAtJ7MhUM= =Qm4j -----END PGP SIGNATURE-----