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-asp-net-apache-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:48:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 463443b2e6da14810d7b4cc286070fe8db1d2a1f * md5sum 05517ead22c8403bc65de27c4a81e2b4 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) iQEcBAABAgAGBQJSc2rsAAoJEIXCXpWhbrlNbDQIAOFp9nfarWj8QDcg8kvIPJge GKFUe8ctiKqfM2x0uetN9qcCWKZBKpM/4K9tHXt8tFGIGoDWmrhoNj1hzC3+vhpp zXqP4kNH1ib+y3vJZhWPG2YDqaqKTOofEKjMmTzBMv6FvInShD6nkaqylCDppddv 6x+dZ57otA8bp4ApwlLCiSve5pjYzdsMdur/lkXIkLdU8g7kZvb54QZQ6k3NiqeH 6iFzqoCkvjDWDiP0y+6q45YjdjmigKEoI9kxgMZTERh/r98myTL7B6fF8muHvFfO AGzeEFqRCC2EWZzyqFBYA8Cw2Q2byc/kMq9lBHyzD8mulR5LnQvcZLWIBdo0B3c= =JDZP -----END PGP SIGNATURE-----