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-sencha-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Wed Jun 5 00:01:24 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum daddc88d3785dc3442c637ff58c368743283e632 * md5sum 591e9d120a4699fee4594426ca3003f3 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) iQEcBAABAgAGBQJRrn+5AAoJEIXCXpWhbrlNusYIAKXC2wout0rj4fSuGwX3YPWk 31VyMm8vRsGgD8ba7bxqTXTjs+aIkm/gnPgNU0PxojKgBgrHHRAX+NCI4IDc9tPq iqfPr9n+AfnnRwH7YPRA7mHcGwTxfE6ilJaUh1DASUv4tQqV4hjAVbsxRryoCUgi FeNEpxsReFPnDKlN8q3c7Fbr4MuQd9Z1TMW3d7bZQBmBYyitLaAXbniVNU6n/J3P WvrlH601wWMoQBOZtzSWxQgrS099YybOzVsj/pm8VglWNQ45S3apXpyLWvxsnFeJ heQSS8gafdbfEeaAhuPpG2LbWPumKT1fPBRLpEs7peyvOcgHJ/FThEDASmhui8w= =8oto -----END PGP SIGNATURE-----