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-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:32:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c1cba70f51f0619b07c4b9d24de4e072c8a69f82 * md5sum 4afac6073a5c6a8fe14865430b3b3780 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) iQEcBAABAgAGBQJSXl0+AAoJEIXCXpWhbrlN4AwIAK+bSyCpMZ62HlkGfeXiAzJv dROK528nJc+i9D8mZk3zx8Cs3YMmVHeUxwknEE+O+kkIabnOhRR7vfweZrUeQe6T 4SPkfmDe54NEEIyhoLV2HcCsI4BmN4WhYwPIIZi+RF4C+7vfXWbBEII6euJhMNCg Z5SSXpR5HLwBsSTYfR7SEFlBnm8uctVzvHt3qe/AYkigJwjdlmtopnx+SM+0lCKS p/fWCxZS57gsA9zD0LROtQnycvODhEkZAlxY6zsyg6X5U8CLh57GvAHx1oMD2hw6 M40zoJbi0wlqQ+ZUvZY/InwVoIuM781aWHy9RUm1gdVKr2t4uHe0z6rcO9AU4YA= =DpVz -----END PGP SIGNATURE-----