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-sahana-eden-13.0-wheezy-amd64.iso.sig gpg: Signature made Tue Oct 15 16:40:47 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ec9223847a34fe5fe9f35740e31fea4d6f501eda * md5sum 18c597f15af0a78667c13e80e8a4f283 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) iQEcBAABAgAGBQJSXXABAAoJEIXCXpWhbrlNADQIAOfWmdfRboTK/2BA0qYr8lL7 QJ0Rm6aoAXxDWqlbA68Xxq3nxdYaoIjp75+h+zLBA3gR0RQb6VNl16NMg5NwjwtQ AxJLfjEYPRPoyC9NOzVc3C9RgtqSWTJ0bQtcZruE+87lK8/8L+HpXSaeZ6UbPnoK TETG771DN8CdzacqXDw45Qz7AIZz6zXY+tz3VgtfCE2yGHtY398wDLQBRD/XC09x ZWhzyl4Sb+oM2q2lsbupik9+IYEENx/CZzTdvDTHyIpD2hc74gIXJeFKXYnMapaY narfUicr3fyuGRXe6OVi122JH/PqgCta1zegZ+ZkdhKNmY1P3f/hj6mBC5kc3/o= =6/vy -----END PGP SIGNATURE-----