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-mibew-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:19:02 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum cfb2fcace7cccfe0b8c01085eeddf755185bccb4 * md5sum 1661c3432d38ff3e1e666b0e62c659b3 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) iQEcBAABAgAGBQJSc3H+AAoJEIXCXpWhbrlNcu0IAOe2ejMitTPjwj7hsYO83LYY 6Tf+fQNhsUPf4CsnvtJ0C1YOYfqXEe3pMEUWeP1lz205djp/QPhVV/JuEnvbKlKC K7eMbJyxnNy0qTbXVR1eXzLHF+qFdKldU3jXQBrPPtpr2AXZkciz7dSIACtjIRsE jKrRh+PlzhEY/oLJeyxn4QK7MpclQDMge/h3VFRUr6ljXF33wL3XFJciu3OftgB6 w2AtgDGJNM6ZDmjYqWDR6JoNS3+GYHJCw5Glcy++cqQ1bg/RBNZNdxznU3Uq2zhF nqGNA8RUQoDJDEaxIJG27/9TDjkOIbv2UDUxKqjKb9eLy94WoaHbPUApnujojB0= =9g4C -----END PGP SIGNATURE-----