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-moinmoin-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 16:56:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b7f5367babff0e5d50a55fd1b4dab212f24c10e3 * md5sum 782ac71160ac679259576c924ebd7a96 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) iQEcBAABAgAGBQJSXXOrAAoJEIXCXpWhbrlNKqQIANUHXdav+mAnJ2FQwsoUVM6B h7xvGqkrlxjvpkv9xf21GBh31DIQ5JYKZA0Y6FnijJIK9yWuEqbXYyNI8VJHHbLB kTSAmm0Gg79J+5htO6wOY7BX/JbBFMuIEJX4wOIZ/fZYtPj9ExKiLt6jowyV+ij+ Elp3NWUbRc6q4nOEQv/hlKlxxmmM1YofWnsGycBjcDyHiqRMajDopmxYD1pHfGY7 YjvMsj/9rhv1naguHGPrPN0XIZxeldpPfoe2muVNtxB1leWbDVhvGo7JY+HLMUzj l8SUim1jaIf4A18aRW6qc0qthEliq4wQ3yZ96VGdhb2/LXWYuymV/BMIubzHg8o= =RCuw -----END PGP SIGNATURE-----