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-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:11:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 013a08b5aa763441f1dcc61795840e027ff36ffb * md5sum d7253d1694b74c6743c352aef4f6ee77 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) iQEcBAABAgAGBQJSXkpBAAoJEIXCXpWhbrlN2r4IAMc4g/6xR1Q6roSRWz4Fnwz3 RYloToPevlD4ayojpE22u4NgT8xvMcg7N+ykz8R4731fywkTATDpM6+2V6VnscSv CsnlW4IUrDw9zIk2poNz5zgSH4aEyqTxwf2KcKoj/M/Rd0JMTdG748oHsXkO2895 7KJpJjL1OpaaYx3RyipgFLK0uBU5IYDnNKFacFq93QIkhmzgKF+uVaYXmNttgptl alF8sA/jPBxTnJgpkR7EmvUkiWt6JsRDKiU8RUSZnqW/93NGc+uVgTkI/Q2GwY6g skWXyJW4mcvGhQ+b1bkQaE/8dzRW4+vBKeeo8D8PRckk0fneVS7Ir3hBZnbx8+k= =bsSc -----END PGP SIGNATURE-----