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 debian-7-turnkey-lamp_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 16:19:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ac3fcd2ed7f9598c080cc6485818205a2bb8b4b5 * md5sum da8c86c70f24be57bc29c8de0114e9b0 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) iQEcBAABAgAGBQJSXWsaAAoJEIXCXpWhbrlNO9AIANqgao5PIksDGfcHkHKFuY64 MbsJpajWIoMf5E9Rjovf+XiyKEH+u/PQK1KWOl09RIZ2cB57hW/JzdelY+lYXB9Q UdXBnPiBK/WTTURHkGu2GVLPPwpvc0ObY5mBU//NUFXVk3ikeC+FKxf1Y7AY3JCR OBcoBHETtY2vDCnw7ImQnUWRSSXwQz7KEWaYW+QpmLEGBNs19yT4KZ00QaBldD88 522fWdtQDSpTdL+Os4xUyfUOXgnx2vqYDogk03maDB9/baw7j9e2dOs2AWHgCXUO fhc/BMMs5YQ/r1x+iPSp8sOvKpxlYmWUYBGKZZXm3eqdgCjh5oOXyzAP4qUhcEs= =aYWz -----END PGP SIGNATURE-----