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-e107_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 15:45:49 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6e6a75e69092e8518955d3cf24abca985e6210d1 * md5sum bd9ab480d226e3b3970b31f9059b2833 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) iQEcBAABAgAGBQJSXWMlAAoJEIXCXpWhbrlNBA8H/3XJuxmVveTL97VhWZNs96Aw J7mgFs9lnhQb7F7gj2Zr+LOrxBf8QikoI2Ohj18JpHgTWTVQd3EXsq1URQIRTeko sMt4cTJRm1078Jak2+APWChG0LKKpXQH9wEAGa717Ld4KERLcHzHexJnsPREzzeV HPYR/8fm57//83g4dvpnAMq3mzsBsoC7nOe8oIl9I8tepK6dfw4H1wVu1dbc4/xJ 1AsmlZ84HQ46TTqJHdD6LUdt2qGygisJp9WhmOOsw1qRXlQ1lboFWJYQRy4kPDVy dHficdTDJr57q2XeLhZxNFOKNg6j1aJW+CN1+G5Lr4tLkVfMBo6VLFoQa6ADzlQ= =2YUE -----END PGP SIGNATURE-----