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-dokuwiki-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:37:18 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 8276a2a5fcd025c5ffc4c9faa7ff8e176d7125eb * md5sum 8f96d2cad5a04669ca000a3a96c0e676 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) iQEcBAABAgAGBQJQM3LkAAoJEIXCXpWhbrlNh0oH/RUQ/vVfrmDipJ5y746Q0IgJ WnwbsTAdeKASSl9gB+xgj2muE1j8jnEpifImFejN6eBG1DEq4V/jxYH0SemSqi7p ud6Qfb9PVopmfqk5CAurc9W1zNVuaMF0rpsUqGBcMjJvJ9/V/ZfXETBswYmcwd8V CMVvBHwphpzphhbylYLomcj6NHZVza2jVLDqZtVDkscLhouwi8zJwRd/DpSPygFR 2/+FVVXA67MtCa3CMBJAhJirkC0VIiMXTwkS30irpMCpU6rygphvAb14u64HRKYy P8lxR6/UwsYLocjwiEbbw2ewWw7+FMUQQHl7mEqn0xptrdQ/Fc/ayM00AikEzxQ= =R2v0 -----END PGP SIGNATURE-----