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-i386-openstack.tar.gz.sig gpg: Signature made Wed Jun 5 01:07:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d76f2736e1c1829e9126f21e4a56e0234d072050 * md5sum 82e71d2506ebb3546ffced9dc0e0293a 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) iQEcBAABAgAGBQJRro8vAAoJEIXCXpWhbrlNI+0IANsrqiVnL442vOMCAI4FVohq XGq7zqnHsjQBve/9xaFnvLAjEsXv5eacShhoV97TuydCQ1xezxM1UfcE2HHC/Ell Uwn/eNriaKTurOxxYE9f8lgMIAAPRx/s16d/eMchflE8dtDRPQcc/9vgYrWhOJA6 mDGdVMZFGs4saIPJ5Yw73YUPKow8XLNKU46MFQHx4D1khwY+nlaimwaSQvuxnV9v qCHRTAIOckeKVNwF10lZN9dOPfvQxMRC+q5hL3qHSAH+D4Krird/9OBaEf0e4H1t E5jqC3idoDnY2eDSPDUSQzqausbm35fPc1ZpK6jttnlNVbVVGv43tbgq8L+/ZV4= =EY1S -----END PGP SIGNATURE-----