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-codeigniter_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:37:06 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum aa828f07988bd2cc4ee8a4b773020964087190ef * md5sum 1395b909b9ad52615667cdd191b87a83 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) iQEcBAABAgAGBQJQM476AAoJEIXCXpWhbrlNtasH/1zk3WzRhb1sxbJtluXqHa/s oUOhcI66dDnv9Gyq80ZYk4ajEtdArOrFR27ugmE9DCbT42P/S9KZ/yVPfw4KDEIj gXNrSqxyCthRnoQRgO1slBjkQcUq2fWpoXFdg9KyF6Urt49LhRiLq3dKVxklwTOV a6w8eZa9I2w5vaiAL0gvlzcWUqWDIZVQFiE73NXndLUJnG9tL/aN4+PX+zJoXtc/ XRFE0vqwhcSs7JDD3hLBvQH6SlGO3D6XyUF53zxLIW6nochjwugSTO920pXJ9aSG TJMh6Tvw8uK1jlB9cnBrWeA6IWVEWd25E7pL1uYLOpjyv/VIWylXOXwLcuVu2tU= =UfgG -----END PGP SIGNATURE-----