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 debian-6-turnkey-twiki_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 00:49:40 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c1552e40ca197036aec1e475626f9dc6fb42c63c * md5sum 2eae7f24c09423dc656ff78337843bc7 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) iQEcBAABAgAGBQJRrosdAAoJEIXCXpWhbrlNh24H/j5FwW6eOc+SvAQl6DQZlxfk Nwugts7pQquQy0v2iWBUjNGHGONFvML9Dpq3qBP88MXpkbSnYBdkPMW9buUEnaVQ l2Cx+aTZZnBSvncKx9EWzW6L7WDmsgNr61MdjscXNGD7RCuzUMoIse+Je+zaUhu0 IiShCY9BwfNNrWm9+dAs7PRHAaSkkEWpj7HP79O6VZYTiuOVh8GQi8EG5VE18Sjo whfA9oRXO44N9/QobhQ1hEl63n0nWJpU4H2RbXYxjK/wKthacq2cdijiMMf211lc hHGca6ONEOzcmKE71T+SbTqeKa55gwWUs2gx/W4bIXhW3cx1KiPtkn2oNokmtF8= =WNuf -----END PGP SIGNATURE-----