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-ushahidi-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 16:50:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 40744e959d4a0b94b444f23aa25cd76d1f538519 * md5sum 82f688b4a2bc939b9637de58b97cf238 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) iQEcBAABAgAGBQJRrhq7AAoJEIXCXpWhbrlNBL4IAIqgv8KjAvuVwpNArz1FLEJr Ysjv6fi87XlRVTrVDSvNvMRL+01lytbQBSNwIVsguYxLC1JtcOzoURmud2tCdNc0 T+1/1r2ThSeF9sEeZIsnZByIGE+cFdmlIhaS+b6NzTcQOsRnUECom5mwYuIZzYTT tZbarW7QdOyWtg6B7m1FJgjLJl3XuhOZNgoNSqRoxSJye/y6xALxzq8Yl6vdl4q3 NDbQVoihQLOl3/k/JwHfjUZH7r0yDeQ1rm6oEuVBXOKYCxYbfE58m1S3svY4BFKl D1nINPyPZQIHZlnjbXK8fK3YwSIAo2WikU6kWPBw63y5X1cnVsyc3IU8UOtWm9A= =zCKX -----END PGP SIGNATURE-----