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-magento-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:52:23 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 2b11e045d510208022e8052b97ad72b280450cb3 * md5sum 2b816fe8c90ed814ae3b766766d5bf9f 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) iQEcBAABAgAGBQJQM3ZrAAoJEIXCXpWhbrlNIgEH/3wLJVvS9f7o86SqE3fozDy7 8H7j5uRfDyQKeVClOqyT/CGc+evYfQq0qQfTxVHWNChpckgY2gIo6W6OEl+YWZcr L7/u6pbvUjzdA0FKgle0NNN/otwpNmiXRxFLjfSV/gL36DZMoBygCOqvMmtAaGSl jrTypq6zD+V4GFMc/HeZ0KisBo0WKgCSVjd6KozTgumgwRew8KY5FMp5TJsqcK4Y b8soHoC6qR6uqeREb6wllLgY8xeOKM51Rmz//IlZMf2StN8RPb/nGsysFFeS5zIF J/lubmP26rT61WBMXngIBcCtJJcf07opN2pFmgmaD6sqlIU+eSkIKfpISaLCmYs= =mr+n -----END PGP SIGNATURE-----