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-elgg-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:36:59 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a5f60ef7b7ea8ac27ae6141c2216a3558f01ec58 * md5sum 0e8e43a348b3908ebfa92fb814d20f6a 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXlAgAAoJEIXCXpWhbrlNy9IH/im1QU7TDydM7H/XlbS+1PjW 6rFueggtaJq4RcIBEaNfgQSbw2MHrumOrTmCvAa4sAPKcVBbVOe9ySUY+VcyR7i0 Prr99bgXiZ6NRnthIyyMEecsVPIosDfEF1v/zKJOBqmAcAZCcy45Jquc0io0h2rL ibViZ7k8ivlcPsx+afugMCzWkbd90BKWxc9phMgcNp1sUSVCtSA7MU3lshw64fuQ 7K5XvDWBEn2NvnButn9VTjjYttNFEH6eLLDTmk4iGyepVGPnpQmrt4NHspgDAYB6 xu0Z9aaVntXoAdx8OkN3j5nURRUFNXLjk2WQkdsk/AVZkTDQ01xxdJXGB9zK9ek= =zrH5 -----END PGP SIGNATURE-----