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-asp-net-apache-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 19:53:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2b745586ca5b8613dc79d117ab50907c291a7dc3 * md5sum 6ea589b875c95de54f31a84818d6dd51 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrkXHAAoJEIXCXpWhbrlNAMYH/24QmFqx+BebWsqzX/9rW8ke rSll/ECjD0A7eBXiHADHHXxkYUcjZdJzgdVuBMQNga59gx1p63thNXcNyCsLM+Le dvWSONEqMNynxwGieKqgpN45mZErpUc8SI9YgJWoU5IhBuc9muQVJVTm+qrQ6P1w oWdvQSPk46+e6RREynbvJ+S0ZLJssKsfUI3HP/MuVV+QK1kMOepF9s6myLz01MSr QmkbVAvd2JuXcm8jLm/+m470U0zNz1h8HnDpiIrs6+agOlqQRMMkHsjmxrI9ZRAp fj4Qp46oWxWSEn+eQtIv3uRipXPzDJFnMfvwHsL4aUdvaInXOTu6Zj7Qv7tkwEM= =CW2p -----END PGP SIGNATURE-----