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-django-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 12:55:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0ac98e26387a362aa3e20192e53da682a50d0d3f * md5sum ed0599b1a99ac9def4f975facf0260ad 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) iQEcBAABAgAGBQJRreOoAAoJEIXCXpWhbrlNK6oIAK5b+CeTp2ekduA31QbhUaq5 8jWapnZ+ECwp+oSccuaDaHv5wQ8N304gHygNfmy9CFgIr0ms1tPhReP5I+sftb1e a0sWy8Zbd9dXfTqGGowLXHE8HgHAUIeSI1hUHVnFdoyf9hqrZrbT7c2mOCdl67dx POvt5ujXJBc2gj7QhOYCXpUGxRVjwjcMCDJplsSdnwSHTfhxjnHAHjY+ceqnjjB1 KaHUdG1IhBzgHyaBjVAI8UgDp9H5BG+PmJVqbBO0ODUuGhUjEejFVSWPGkfwlPjz XtxMNBWGCbHdyVR2wFn6gyzhaE/rQsFVTG0ovPImIpoiw9HaoEOrxWDj87HZdF0= =dwF7 -----END PGP SIGNATURE-----