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-mantis-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 14:22:38 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4ee6fbb0b5308e8c5206b1f11a4e8605e7dd1963 * md5sum 230a2ac861542481aaed331275afe0a0 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) iQEcBAABAgAGBQJRrfgnAAoJEIXCXpWhbrlNo34H/1GOnLj5Ts3GmzWwZKRJw6JO vBQi4x3Kd34UnI1RM1QCObZvRYPi+5HqeOTTZiq2RFEtF8zsDvfuqe3URIA3N//v jLjemthKC5ahxVF2bLrWIKnrflKCMdD/NZPF25Feyy4sf85usNWdB0jLKTHt2KW/ YgB6KMm+wRsvAWGNtQnYiDLNQx7SnVPKa6w9Eb/4yB3yaxGYSRkTMcUnGCKgcJVT RkT0EhyCy77zr+aE8az86+6cpPGBNYpzdnvZAC27PX3ipKal4PyMb66WiIx+NCCI nEMJUPclgK7Omh8/QKtbqEa5fVzNf6Y0TkuigEaJq8Z6nh0UPGr2ZF2kA/sm3i8= =IVpC -----END PGP SIGNATURE-----