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-bugzilla-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:45:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum af70f5b92db61f4913384a667e91a920da20076c * md5sum b731b8dcc2d4e4c7446830a7d52bfe52 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) iQEcBAABAgAGBQJSc2o/AAoJEIXCXpWhbrlNtXgIAOwCzZdflC+9qkZ9vceU99Jt 2P6pi6mHGpO7bG/nK2JGyI3NCr9mvC00aQiJhVyp+jOItz6rp7HHzwl/5b5ojZmE SGnQPZbECY2oztxkXS9dyfboKh5uJTEdZMKjoZORWuYyJfJ7CwnhuBgfxJxhC7q/ 6DGTE3Soy2Wd2JXmb67oMoj/XKff/UIKHGvRIMtLTPZ4a+miqmf0oZX5naZiXAV+ BxJ6NwjO4y4Ehwv0rrvA8387pMeCSdEkTqJ2PICqQhPD1mhIZm8pzKLhPKO9hypu xJ+6VZIjtLhhRyvla9NAkLVqvEAkulRWHn2X6RpwQWIVJieJW9pdJVF4+OJIIv0= =dKZb -----END PGP SIGNATURE-----