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-deki-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 12:54:54 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 82762d8fc9d74b82bb95d14120f6b5b5f35f1272 * md5sum 2eaa265a14ae1e72a92b88ad581edb62 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) iQEcBAABAgAGBQJRreOSAAoJEIXCXpWhbrlNQvsIANm+am6wLy6kQ4QJOrqwmPqp zfAYulgAB40ACdGGuDgBvpMOvy4fOkS0gly5o/RqvYxHFHc/572HYxDvUJPKlrXN gYC05AwgolmQP/RxLL88RlsjW7k1KfynuEJ2b1ep/FrUQLjE2VabJ6iLityr/VJe DIBpFG1S7KaIjIH8V4Gh1BZFG5OVwKuPhLSuEnv4sYCnJNz0KBMsULx6aueffTvZ tcrBTy2JkpxWhh/t56wmD3BHzFJ2jhUK7ywZKcvS2O5GTL/YQGyEOaaupggcT8vD wm+cRBxLhC6rSCGjXttxkA5CGLbz467+mvij7Q6hMcGHz03x4H26+sFDsnoiIn0= =t6Wb -----END PGP SIGNATURE-----