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-lamp-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:54:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 74f24d7902686ebca7e5939e5588254ec0b63e12 * md5sum 50da7d147d368ed8cc05a13ebc7c705e 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) iQEcBAABAgAGBQJRrfGsAAoJEIXCXpWhbrlNqdEH/i+s5vKBjxZkSrTNVaPp0mWh SQI/rfG9/HiF6c/HdaoYiY2aL5AUnghnDk9CEfFpA/oEUbvZ6QcdUxoTFnibpSRx N+NQDMNtE4BcJBXHEhjl6oepViCZ+l7WjiIVaCg1pefhTMIDlI+MjFApNatUitD/ TmtIeQOU9dAlVd5M50vYomFvAf6UKXEPq6rlo/UeYxzj/pyFOqugjqo5XLZU7Nr1 4ucWsfdxUulrfHG/RU3H10fDexzGmDbV6MmyIDF8Ad386kgOxG4n8z2RCTamssYE lY4cbmv7J2plRteJs4UqRHOUhaGTmyIUXwrnSfKKVCM8lSM979NAekXiI7xhZYw= =sERN -----END PGP SIGNATURE-----