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-prestashop-13.0-wheezy-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:51:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fa918b8a4e5c62136ba3fbe6d8abc273f87932c2 * md5sum 578a3ad82170986c284d58cbd6e52af9 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) iQEcBAABAgAGBQJSXmGdAAoJEIXCXpWhbrlNTgAH/jGZ4YEN0DMRy2rIP6H59fUx K8PU46r4KOMEFptnCGEbcCe2fC5yZFgB2H0a6YsD2x6opQcFE9I7i70jp+azM5fn 7gC70i2V9bV3TOwVU/5upQ9uChvb8B5KwOL/g+DPx+1UB9oscDjDBiXwLYMHnvKf tMKpU3MTr+mKpHMRQFNnFpIKyhSZ+JTRrG/VupLzhwjAXDCxmITcOgfATsCou1W5 gOKqqw9tFwadUho37mngrdpjnhH6F3wcTBrdve6/4/hO4/fEZ3CZfu9wHvnjxii0 6/g6Y5CMYRH10xLOCL1z3k677muPZBBTDMYrnCN89ipGoK3X9L7Z+2Hh6Y3LxpU= =l9NM -----END PGP SIGNATURE-----