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-moinmoin-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:22:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 864f7b5f3396289f761e37309cfb9d954ffe05a9 * md5sum 1de6f30a6cafb9807fa18c0946b7f87e 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) iQEcBAABAgAGBQJRrfgvAAoJEIXCXpWhbrlNEncIAOsSmldnpQYYYhxV/Hqd9H4c 9LEwLdU9kKrC2qVcbR4rSo6tlSbJbCql4RNKVTBYfxGxfCcB++29kWOm5Ai0NGDf tNZDEXIsQnkDKZ5iQTD546Goe4l4I1K9nFl8kOFachjK2nNXC8XjB7EBOkRPPBRd l2/oZIs3liafF8KLrImkc0qpzG2SlvQsH87g5y631eiT+400hcUWJ4h5003brCwb p7z4+/iA5BG+f6UAB/2aRqWQ5T5yUoEe2eF3D3Ll8Vjx3+82kCSfJ9LG9/MjS0Pk N2/dm+t0sdkjOtXsBhtvIAHxBfEJmAX8drGP9SmETH9xYlK60UctUWfeOKVVdzE= =ati1 -----END PGP SIGNATURE-----