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-drupal7-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 15:46:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 650b923a19d606e59140ed856edf6b097fd9e321 * md5sum a84129bfba2bbc21ae7236af5f5e8cef 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) iQEcBAABAgAGBQJSXWNNAAoJEIXCXpWhbrlNv70H/iXMQeFrUO/rP5fV5ndkMqmJ ZmPdXp+xG97M3dOfqf1BuZ73PWkGgkP2L5IH4XaIaig/uer9OfvkZXvGs1Qd7HYw FKKdWSd0Jtf3jArNIHv6EmNkzHYCekDSJMktZ41B47fQvmlXuDmFvd+1PVp9eCN/ crIT1DBRTtPDnTzslNtsF5YArzjJmWoAis5asFPWDnFzSzvoWDP1aLHkDKjTTAGn sqLgNjNBDhvEDpHt1Al0RnjAb7ThagjLNtm2m/j9XptertWRU0VDP6nzg5q+XEB5 g1x05xmUtHrryj+XTrQJxwbAjiC5jM9WgXQUacGHW8cSZOaRtxSGx/4uLO32FlM= =NdPj -----END PGP SIGNATURE-----