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-wordpress_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 10:50:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 294387e4191fae44a289669ee8ce448440f9e9f6 * md5sum 86e66ba1daab727422c2620bc2950ad0 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) iQEcBAABAgAGBQJSXm9cAAoJEIXCXpWhbrlNvOwH/1Ea6SCEjjf9PH53yChLIiFv Pe0DUGYQszf1JogIWD2qOB8w2bVgG8ia6c/RPqZkzK+OWpZRK/wcXjTbDc6e5UyX 39L2dybGJc7QbcHhgyEeykM+alSb/NMi7i/ol+keXqZJuldV2mX+qp2p71M1GLen qrD0yrp3hoh9A+pEgj5tk1sgeLzVN7WLAVAjt7J/jpteeX+KsSVo1qnyRgjYa9qh o83gIwXrQ8f1NHWtAqBP7wKJc6iMipaGnkfIocOyuLzLk8dJHkmC68UAkRLg/tnl YnFpIigcB8C/dtjsbk9jdsE2gSycQfqA4lYN/0z14BsquHnS0BOibAs5XMtop6o= =RP1P -----END PGP SIGNATURE-----