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-openvpn-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:16:47 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ed140ebeac12a91b05576c013caa40e844d98bf9 * md5sum da141948f67c499a3cf5d8abc06b6a47 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) iQEcBAABAgAGBQJSc3F5AAoJEIXCXpWhbrlNiC4H/3cjXMfyGNLeGcrH4hZ+Ryqz L5WE+LMVj8eKLmPAHdcbRnZ9pCX/FY7xwc02r9JjPthpujPUnD2BGpgAU5Z34Tgt GH3ug0LxJNWLuj2Q+NHjkL6FJR1q84ClAkC9MEzmq2EGjNq1GkQ0k2DJbFNxOVsH T6kgHtHBee7n70Kk4gS7cNOqIvGMdHP35dmnjk0Slp//T+QUMozOUUonTAKgtrxW ORXpIzAQ3nUGo5C98SVttLGqCs4xdj0hPIx6jySNiJftHuMM3WaUic6T2Sro+cev o7OfR7C1voVwlkCsK1bAOk856HF3Vc87yDElBkcgUghcPNJ1dyYbSdLpIPDUHag= =+Qcd -----END PGP SIGNATURE-----