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-core_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 18:50:52 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7c8f0bbc91fa95e6f34f023f9864f85891e10628 * md5sum 02bf4ef568a6ce53a73864f389190bd3 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) iQEcBAABAgAGBQJRrjcGAAoJEIXCXpWhbrlNBowH/2I4ulSsmQCGQX1E9tRHlJ/S bFOBIKLCDJ8D+UtzJtGBIFSir9vGgS767qSTPafjiF6LyGMgdcURaADY9/zE/ARm k6HGDtSxMKl3K7vk5GrkhTzfSCNjZlaonDriYjcdmbN6RwDDJn5ODtFd1IncBZHe 8CgbTmHjePftfvOE98s9I6Hw3oOrfkouCwBUqASxG8NG6EKm3lPEHOyS5TsuhA5h BF55dYVQ2qgOJ3v6pZgjPKsLc80eSOvV4W4Bm2nbT8G/O65/t9JZIdo+lLQvAXiQ 83OM1gMoEd7X8wU5VClHB9h/Kk0bXQ9RgkevyvZwqNsmJrIicfiuQ7GC0IWKEcw= =epX3 -----END PGP SIGNATURE-----