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-torrentserver-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 17:10:36 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 52eb203ce91dae523bacae4a2b1b5abb63abb5d9 * md5sum 098d3609aea2efc08927f7df617ff1e7 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) iQEcBAABAgAGBQJQM8EAAAoJEIXCXpWhbrlNaOYIAOehSpvObWvDyk4peE34F993 RJB4km3hsoLY+hecmywANu/vOhjRQhbK3a7hR+GWJdOiTWgKW+CnCkrLQEcCU9Dy Rdozda1NkMHLDCN2Na5waynaOF76kFDtFG5ZKxBCrnrYGpi0zpmrpN7rT9XePv+a 3xDuj+5sNLl9gVRELFn1kXNAi4kwOAMWpe2pu7C97eBXf/SSJfzZEmJpc1sxT7Hm KapDc6UfrVpy9ug61w20kGTPWUlJ0uF0bG5VirhNjdfrNp/boDvf848OG4sQ7f9l 1ZH2SviAZsWbg85rlT09R4RAIHUNPgvoZngrrH7fQYNX1Dz6PkxMaGsLG8z7S7E= =g/BB -----END PGP SIGNATURE-----