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-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:14:17 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 562f5c9129863a47961627eb8dd5d81d04b583d3 * md5sum 2e23a5abb3380eec9af930b85a9cc20f 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) iQEcBAABAgAGBQJSc3DfAAoJEIXCXpWhbrlNipYIAJhn1U5qSXPlPDrNDjMsVr20 +MNxnpG2vPrAigCItKWGN/J7R5JapEb4pRwjAp0ca/jUgK7mSN7VF6kXDdjBOVOJ MnSIEVIs1mShwHvCi0HV+LpPScYNZKqzw76F82op3QlBJWl5EppTswpW66pIebiq FO+u4iRXR11vUn64QcS9uBukTSmtqmsQkzPJSQByz5c5rfC2xtzRqWtbSml43vL+ eYpqQpsAjvnm6PYfUJSX+rdpospsbzeOc/eO+6OsSXKUmnh+orXax1QBPaJCNF2W g+aWDaje9MkDk+CYDZOWxxb3zFUwq7OkJRzFrdOkhDcZK2U+xPyWtCuprWkISAA= =p6LB -----END PGP SIGNATURE-----