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-pligg-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 18:02:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5232b8da2a6398c3982247d90821cc547186aa15 * md5sum 63aacfd502a8791f1d90ba30b73ffd59 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) iQEcBAABAgAGBQJSXYMdAAoJEIXCXpWhbrlNPDUH/1c6SW5bUel2Y1x8BQRjUPDi wOqgdwBNoSQukswu0DFLI4//WAcEpctCTX99XuF8R3N3s+zEiTzJIn1jVTKR3S6P z8h9CBsez3oLTvXIqBD7grDq8fDzk+lTG1aV8MlPIY2hi6/43lqS9qoZ/WziUZGK fTS6qZ8Jn0W6r8mCiQp/9kp2RbQ8I0r57c0/q8sUUU4nCiOF7wtZFCSeeRA7dnK2 PlaW1NqRQXfH6pXiwAem27TfbGy9D8dgRQGlHfcJ1/Z9/lJYBhZPtB4TWhvXBnOP ANf26Tk5nPCk4YwMXS7hdNtQ9WJe4p7GtMm3zkerRqTqQJ1nhcwrK3gGz1wZWVQ= =AZBz -----END PGP SIGNATURE-----