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-openldap-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:15:52 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7d6da85240b2a89d182d2fb849eb5a218a892b79 * md5sum 58aa26e37f946b41a1ae4ef414c2925b 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) iQEcBAABAgAGBQJSc3FDAAoJEIXCXpWhbrlNscsIAOKN5Pss8RpUgd4ilvH7BtHZ q7DbAs4sPkjGn3GmgGOvHRoenU+y7va64zmBEzIYaqbBodXsE7HpkHjg9oFIEXK1 dJSEZY6ObtindL+AcqP9MgCV2JMKpx3SOfOB0W9aBKl1Q2DIvdCQ9acHHZJWByeC FFtlMXzzInMcEoT6Cfcc43vVt924QWBJawEICDhFPNtc7fqJg7RpKEfhsHiuzjCL Zi7T4Kh8Ae6aAFjeANAdZhkFtCbOOcu6iCD5gzKO+HA9YruSL2XiMEu11mZDYq6M jBjr6dSbG7DtW84NTxJSCiy3pq0+TIl9QeY4noHSZGnKdGL4VmbRvUAejii/T+Y= =+UU0 -----END PGP SIGNATURE-----