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-omeka-13.0-wheezy-amd64.iso.sig gpg: Signature made Tue Oct 15 15:50:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum df069e4371d53d8c3b22c067dc883cea0d88dbca * md5sum 02536ae51999f3e5c1878e8605c8bd40 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) iQEcBAABAgAGBQJSXWRVAAoJEIXCXpWhbrlNGhYH/iNGbQQJvzWtUWhiDWSJenIe j3pGVq40KKW8MlJhIys7rPBIHu4ym1HKFo2xZWy0OqkM5HaAlNJlNI5umFLckycY DpUFM7tBSL7bUchJtd++bXxk6pP2kDBD30kpxsCHZysZEwQwbWPJMcFAeaNA5ZKA waiLsRkDiA5QT7Ko+JEG6niC5vezbd1o+rmgUlZH7zu6NNYe9zhPbx2Vetf8EWyY 6k36YS+X44iJYqs0vWzDPlKQHDZcVhKfO+zhLj1gzYDctvst3NXgEebEtlI6KEnH WxAkG0KydyiOYeVJApzXysevsbojohVZtogbOSvxBfoGBoLp0u4kn2uaoPzMpgc= =33mX -----END PGP SIGNATURE-----