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-ezpublish_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 08:53:43 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1255fac79451086e302c87727b683655defc0f38 * md5sum 43b233849144237371a6f898afaa0b82 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) iQEcBAABAgAGBQJSXlQOAAoJEIXCXpWhbrlNazwIAKcUGgUTJc9x1ZrA+uKAw1cm 4Lc62OJ9Z5Q/uKvMcjnHBWLvNnzgVVP9EkaemTcv2wzycqbdY3XHCN8OmvC/XNPY bSHcwaodrNomaZZMIUAG46al5bAI2/34mOPZjg9oXQ8D5ohZOoFih22Y1s4TnCmF aSPHZXb0iWAoA7q78HQ4HMTGa1Az5IYMRcs1k+fwvS+Xt+prz6LZ7IJghHdwiX+R jhNxzHETY16FfQrgrenTpXbemFKZU7JI9BRdP/tHpswEKVaewtEHdO5KMiY41lbE MLQtDG7XxhWDymAgUPUHeG5HaY/kTy8sXDa7EcNsde/9tF8G5Mggz41MpQ9j8Wg= =UfOo -----END PGP SIGNATURE-----