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-movabletype-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 09:19:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6272d351caaf769b79c579080b7fc85cf5a21ef7 * md5sum 7014152fb50697000accd7107f3019d8 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXloZAAoJEIXCXpWhbrlNTDoIAKJgE2xvgkZugw9P3nkoJvKx 9NdOWivg8rdN/1DKoSu73tEZamG5csjRQYPJrWvmkuJR5H8DXcy8d49ozHXMeRi1 LUk5k6dj5LfHwnJzecOMS3wVhJVR3hGRzni4MIOits1+zJrjhY1CK2yGDkJflW5j PeNCrO6up8qbgnlw7hb6b1bvVlyrR78YwfmfyUwTnNauCA44jPnQXoCORXT5IO2m A44/dyBOkyZ2OZWBYeJZH6F/xoXUrr/D8c65H3V8T/cUhb7BkXVFhMn8HY2jdMA6 Y9p5F45hQmdn7T0VlLGGM3439q/gaz2Y+pYp9renYNzA/nRUf+FrQUcZK1pDKYM= =FS90 -----END PGP SIGNATURE-----