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 debian-6-turnkey-ushahidi_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 16:44:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fa9effafebfddc5bd5c1a0bf695ce1767308cc68 * md5sum ac2b5a9d933a4a72d8089e69a93a7d4a 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) iQEcBAABAgAGBQJRrhl3AAoJEIXCXpWhbrlNThkH/iDuD4kfaKIOE7NtT2L0ksZo CflhbMyodPuKIVIotv1rvMsyOD3z6kqoqWk2QQZ0th8EX31tFiNWRH7eog8aFOcs ZLKbIJ9NcsFkYLFTvlfRahVwCpA/DLj9QHqWF14FofIt6sScn/Kp1punC+vhIzPS mG+oRHvTKk5KuEwCTa/swCY5W2iA6BkmyLnV/mLbzVpuFzaSBe4e0zLelavDC/fp kw2ThRxTFwaQvMcKTVMv4KVVE4wqy+m8u8vfzqCde9ed3l414jx7rAUteSz7rUkD j8P+MhmTMDFpKK5yrmERojddg90RACTQBhYZbwg00KiOLyv3GECGdGBSFIwiSXA= =mjC3 -----END PGP SIGNATURE-----