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-phpbb-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:30:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum bc3f0a578bcf3e320fc8a1a8f134a6416e377407 * md5sum 826be5471e555b5b2482f031848fe27e 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) iQEcBAABAgAGBQJSc3TJAAoJEIXCXpWhbrlN7EoIAOTbXaHxZtFXW9qpd9h2+nKw AVlFq/EDbKwVVbOHpUSkVMprYAtxqWRWvfRh487zAxt0kWt62zYbwvYMYvDI3nHY mEjyh8VaxYPQ2GllAt1oCyR7Rk0xQorvOf3etlE+OdkRS0urI3xS0r+dJoG6md8h fTGsq1IczLhkFMvtSCacG66WwU03ml5Ny1mV1jsbXKsdnKiMe1cYWl2V6vxmbsnY dHvRIk2U7k0W3epl+8MfnV0D3wSid54A0vT3VHBiLDjZ7sD48L5xA1/JPsMRr9mu sXZLe/J3hjBNO4BKANr4CigR3er52I0X0TKONGkDvcN03dNi6IAcZwt8vGM0BLE= =YlMZ -----END PGP SIGNATURE-----