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-xoops-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Wed Jun 5 01:17:34 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4e80d9e1ab2157d5ca05269817422bcd2f416a58 * md5sum a7373f890b1e59cb5701859a91ee04d4 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrpGfAAoJEIXCXpWhbrlNvF0IAKhw/CR/6hxgw8NcuwMpQiUD CpaNVbdkhckd/QgOVDzh3J4NxRmDYbi+kk6ikKyekPdxZZJ2WYaNLzCXUax++ns7 BMaC/Kl1QXVWPYapkXq61QtPomIIWHyXLg/bhAS/+ghn61ItTsNO083zltZSbjDa US2qEdKDLqdGuPWrkCeIrz9mDel/PlfgyW9Sl0u3NK/gCSx0vWuyJnSt02R+JC7t 8T2EXu+b95l9MH1RCepq8JqZqwQaIol5ElLO4zrrniUh7hajDpmO/2mTN6duW1aC hfEKK34xjSZK9ZfHsd0oh5xKFVQcbkzki+GnPylvkcKe2lojXABV24xyCvOO+rI= =Xsgt -----END PGP SIGNATURE-----