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-7-turnkey-icescrum_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:59:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d7c37b557a716b8c9b144a0881b31186977468f6 * md5sum d3a83821c27307cfe9073e5d76dea06a 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) iQEcBAABAgAGBQJSXlVcAAoJEIXCXpWhbrlNl+0IAO0E1R1HljjeLhowS4/JK18C WBcQvoZrWnPCasb7xCw6b0/6rH1Z5lQXDgsKattjQKyXRu3vsgJVluRMjnWwczDu t57FnjVJGOgEu15Uy1n56psss6TkFwnXIY1eOKY4kklCsrH6cwqXIUZZLGWYpLdC XdEGkHMXLod5gc3JpKlaEchm2T2arbQRZz2kWN4IuapreKCNxo5kGjHHBC+VAOux Otto/W8OLe70W6PnBG5JURHA16cbX6Y84B/HHyMmwvzBDVjPytrpEYV3EDC/58Oi v9zSH/doiDi6G0woQqlCk4GWIDPmYTF5RlCWEAME2BAdSsC6F/EuSZLJvIAhSjc= =QY+U -----END PGP SIGNATURE-----