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-mysql-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 16:03:40 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum ff4661c2a2ac2d84b4eac1a5f3e4af00e2b9a0ce * md5sum fabc4a33099d94d958af5297b8057846 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) iQEcBAABAgAGBQJQM7FUAAoJEIXCXpWhbrlNN+IIAKKnSQHPfGQtS9vfORLa0Ccv 2W92AFU49o12zzKfqkGbYEZkTFETuGR18sLC4wkGDavTNyTiDxTwRkDh20YhzPvC bsFzuoveVe8/mWc58MgBwl4yvuauS64UZn4zMYCV89bg6c+4dkGIWQ+LSx5npMCm 9HtSwZQ/EGqFcaWdwDEFKr6GzrnEAhxGXD/Ga8ch2PwHZyULcwFRXGvVRcPLiB0m en7caTZwmt5P3o3w+UecNshxxsb9P0BvW1NpIWYE0fz4SjYTbnuE/6dJv8XwRuM6 R05W9QgMA8wkyXjk9Nr9Pg4arc5++AuPOmwjAIQZHv32LZHkzv6TaVqa0gIN0nk= =GjNY -----END PGP SIGNATURE-----