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-dokuwiki_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 08:18:42 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0762aab53f537c2afcd83872901c169e76b4b5f9 * md5sum 8ad43420d385721d64c2a5a091ddfa1c 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) iQEcBAABAgAGBQJSXkvcAAoJEIXCXpWhbrlN5MsH/ROFBRHj/fIH7EKxibBost8q CNifrKThbHz9htEwMa1t0v/hsUPUigAO4iiCUxF7w9EoQeGZXx+BvqOHoTxiLryb q7JdJB/czAxvw6buyg0wD3eFaIqS4PBTplMPsxPHf/Uo4eU1cVwA5Mkz16c+2719 fu5QAx3C2ceJRaRPESwy6pVH5hfDzlCiDgdeP/S466vsUt33PK2MdAmN2DN8Vi6I 28SRW2S8ZFMoecCwAnW7MctAKuEUDApEf0FHlglih74HD+m77hVg6FxK54bUB8i7 PiJXoqJ/St3JEvdhX8anJW8ykNsE/pyeJAQIzZz8ZSHflhSnjFkiq2NYYVTe5oQ= =tX/0 -----END PGP SIGNATURE-----