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-elgg-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:30:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 29ff4ab0baae7edf1e95ec89e2a5eaf081f4e53c * md5sum 240c834ff6add260994699bfc64ea8ab 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) iQEcBAABAgAGBQJRrevqAAoJEIXCXpWhbrlNsjkH/RmmygcsJ7ZPEbHdIBBbZDLI RIHMBJ9JBez4GsEa6WCNcFgVjLeraTjBtEi3rM9SjlCDwvu1Q+CUW9AaEOeetWKL C8AUQcGgRSBVs3NhKDf7z31DqTHbPwx6xF5/1ZLKK/gv5xGDK/8g6YqOULuGkTJN MSOIN85OgDy5aGLQTPvZsFS9RW5aczecREOYq/vFnUg5x0/Hkz/L+fGdL4DnCtTI GWhp7N22a0sSYrZHOWsU0DG28dBODkBM4FQkn2Qi8DAVQEFUOpQ0dZKZfjPrUTns Sk32LaLvQkUnYqIpfWblvbTaXH6MTfVWtWzWofUoTXoXfELJn+cbhsuPwMocpjs= =6wZW -----END PGP SIGNATURE-----