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-statusnet-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 10:24:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a7e098f296a8518e424c5ce166ee80247be95d3f * md5sum 4ccfbd2f0081d3d3970b9d8a5494c7aa 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) iQEcBAABAgAGBQJSXmllAAoJEIXCXpWhbrlNd78IALroCScqnJQX4ea5icnaL2OR W4YZqKXwb/SoXrxZFWxUwwsZFitDA/lYUtXex1+WTLn82XR3CppXsIyL505idWUE xKJPswlqaaRT9uRiqXfHqf6AuTFo6a7um5U5SN7OKr+zU1pRTNHB3PkfwUbw+5QA gwt3WqbanJNSHDYs1jxIV70a9fvm6FyZG0eGeJjUAGIzzAktI3mXPzXn5U8E1wNk ab2CIAqpDFEmJEdPjQQbr//i0GyscpNqRDfJS14c3MYgedFPhGHd7HrDrW+ZpBZf R06OA3+kQ+iOZcpw+/hZpPk2Xq+gAwzFXchvYRqeZIQvIzVsPh5o9lWuHpp4D2k= =/IEE -----END PGP SIGNATURE-----