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-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 17:36:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 91870a221e2f1256004c05ee84189ba207e62f1d * md5sum 2e2b330024803e93ac97019e99679d0e 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) iQEcBAABAgAGBQJSXXz+AAoJEIXCXpWhbrlNdzoH/1IxjL4n0ircb24VypFyJf3p cw/c6vwm/6tYcz+0/unZj9iLw3KhETCqqww8M2rIJmxN1RChoUFvRAAU1umkiaR3 iD9PWi9z0uz0iy11XkQyH7G5eL6OxKw2nBbcM2NS8mAYcqta4LA0L7W9H1I9uqKs /mG4iNvPUtUXOtCxY0UhKD9gDHkd03O7H+/jKsJLXRGkm4mrkq5NOCVQoOMHiLyT P8SzpIyQlMf+R/o+TrKXAOsA+MUwWLV+ETokQN5b4hU1ZzpRVziQ4TpEhfhlLRzk L1xK7HKbdfq0VXgq02uF7ojeltNXqVdm1b59fax2EHXkIadI9pksCJ4xcLgGu8k= =z0NA -----END PGP SIGNATURE-----