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-gallery-12.1-squeeze-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 13:37:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f9977d4ba2b0889c7cc7de5e27887ce62cc0440c * md5sum 7d9b846d86f3261674cd8df7323bfbaf 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) iQEcBAABAgAGBQJRre16AAoJEIXCXpWhbrlNhJEH/06OVIJJ1bzjCp8c1xIzxM3X wX0F97wWdn68R8GvyzPyAjFcbgXclW93Y/iWEBwzIoKnIgG5sJf2MDozYzl3+DF9 CivzGEHACe5GdlQ7z6Nteyt2VAKObiPjNaX5RjJ8McfdBCoMzOWxMzTKMbjmhzax tRwMpYqLhwaP5L7Lw0M30UXWK3EaTsFsJ9d2aDa7NO3IXKJG2EccjxhgI26jknzi OjSXN5+1Npli6/tXq4L2EIm39gW/sqWwv9mtoLpsHQuAfwriIYFpkcfzltxl/36S 0CWS1ZdacJQizBiLvLhtZ9vLyWu3Da5po3mQYjFTvsawR2Oop3TFVUDs5PP57ac= =6BgC -----END PGP SIGNATURE-----