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-pligg-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 16:11:09 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 85604db7cb436f5d810c47035297c5aa9cf077b5 * md5sum 2b1983e59ddae00b17e9615e589d5462 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) iQEcBAABAgAGBQJQM7MSAAoJEIXCXpWhbrlNqA0IAKTe232h1ZoqFfnB2AMMbiqB eqh/lX4i/OdoRVJd7VkZ3Sliwrm9xXVRzPFziEB6FfBwu6ZaxGtxcwuEY3J+r1MR wdhpdwC0MnF3jO5YE7QSdHj1+1vFnDf2W4/UIeeaaucD3R5QlpJRK1Xa0HaRDuZ/ pR3oJgix+PKijcB3L22VWrhSnuZAIyV1i7HNfHWTU5aVMZ5lOCCsjyApStSv4Uk6 ZSYLaDwOowDysnxAdmR0WkCGWf59zBa06XPvOtiSsLVyrKl+k32rPoI+1QCxDyBr NtytekskdKuA9LLwiDoIJedFcKGPZ/4cTXjROs00ItwBwjr17bIsQQfUUkmJyKI= =RB4f -----END PGP SIGNATURE-----