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-mahara-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:54:23 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum f6a9fd9c129eb9d99c79d548def9ee66f4b4dc03 * md5sum b203c2d20c93bf78ffdb027e13907cb6 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) iQEcBAABAgAGBQJQM3bkAAoJEIXCXpWhbrlNm5AIALFAun9E4zLBjQi01eJC/NGI iAaLqrR134Op+hTXY2w/pXxHq8GmEs8HuM2cqSfh584dGAbSsH1WcNjrNyDBitge w3DJhPDjcxJvsNExKwfmR71ecXKGXsPrF2e137gKG6AOYkNbjBEkZbuFfhcnKKcD c3//4TRQeQ0UA/tjofDc/elkohs/DusxsWmUZx4t5N8VHjQ1HyrzHu9NN0t7KtCG rBYRoNdwFsEesrf8tiyNT/SjoL8kSOfH2hOt6iesWVQfugnhJ8lYRY1nZ581s6xo 3/xnXsyFeXqmQmu6QUBl1b+E4exAmniy+kUrHMftX/IqeXlAnQGqQFWPQP84iTA= =iK1+ -----END PGP SIGNATURE-----