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-nginx-php-fastcgi-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 17:04:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 09b9135a642679007f5da644b89ade2b3d6ce444 * md5sum d7f9d22eb937ff0bcb69c500be974e72 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) iQEcBAABAgAGBQJSXXWkAAoJEIXCXpWhbrlNYPkIAOOCmpImlWQdNnT1FhAjzNmm S3/p8pmwBU1Brhpg3Nhv2ZacjwvJJTX2kQPyui9U8V/NNq8zg8mrlxpn+4aZufjO 4xL0UoDwT06pmXfKh9o4OC7sXDvxTUurxwIYj4+FmR5PgTQwHL5dDXo1RP8q+fLf cHyTk5LPR6K4YoPsDwd1Ig3S65EnSro0hDYUC0qdQEdhlIoPsKjJXr6KNGIHaYBH QbOoBTNkyKe2xWanCmF2iEEtrhIedqI9KT8VR+xjneTojYGlyTaVe/keyOo7ETKC P3zsL1S/HfnJSPJqQfMOoAtioaS/q73hW9dM1YUpQPIpXrGwUjDQG3aMD+pCAgs= =ywkt -----END PGP SIGNATURE-----