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-mambo-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 21:57:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a5ff4f3d6b46424777701c85bfef8ff9a2b7d6c3 * md5sum 27bd6dd10c2ac39e6d36f667bc94d27e 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrmKuAAoJEIXCXpWhbrlNGqUIALQqAZFqtRVwBBGrEuuI6bOQ eiOImdd8KvwukJDiL5aKTRGyuzfKHDGQjzI7GKEXd6feUicbpE7160WJGG8+uF1u pjC7iJ67U/Qbb6LMqwFEHg4sCUERcLx03pV0xw56NT3QXTBnPqWIDr5v6+2ZWy0C puIepCfD9qSZui4d0Pz1hquivquWpfrtOb4CMet+DiV5hgvuuEBLiyeWue+lZyin ftZI0AlhiHI1s6TEPDdfLrlTngh6IMLCjaVCtEEMqYrceEmf3RwzeFt5pqaXvLkO EmAqlsZnqWf6nYWQjCe3Gxv2b3YYSs3yckCQ7TJj8d1Dp0shRFmrK1Y2zEKOitI= =uPPr -----END PGP SIGNATURE-----