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-owncloud-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 17:39:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ce75f32eb76f03b7735d830c1a7f6297749367c2 * md5sum a60f9bbf8cee6ae4abbff28ebc669ace 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) iQEcBAABAgAGBQJSXX21AAoJEIXCXpWhbrlNwrsH/ilNKFdUtBRsPhd8OHMnzNOJ 83budj4w4fTIPPDdydi8mGw3VWPlMdwZK+ZwZM6i0XTcW5r2jKC/slRDht9dNfdv hjQ1O5+WEV+/3VOGb4mlAhIXvVUqCb5aFJex6P+x+gt6VRDd7bFwIjiEk3ZrObyM YseBFS1z16C2sY+752bAvofACQTmLTNe1oXVIF/4gGjMxe3pKJoog8a/2dMjLs6Z ICE0IYcGHdvDNZn7lRZ3BzKmyCWeV6Kjm/CkIX1dmM2HFL41VQniZhaoZCdZ7AjQ 0Ktf/p0jge2MzjSWd0PqKzGuMqlXBNvJ8GjOVkJotoNI9xYoNQucpEZfYm5Wkj8= =pk7Q -----END PGP SIGNATURE-----