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-clipbucket-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:50:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 02a4f5288adcb1346dc9bdaabd57f30e805ea877 * md5sum 9e2328521e47fda71f78b6af7a64a17c 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) iQEcBAABAgAGBQJSc2tGAAoJEIXCXpWhbrlNg30H/jCzG7zl1gi8rSLgkYM4rWET 3ztIMystZxkc1mFUHm7z5uv3aGIcAY8YlLPaCHeBmh4FaVwNotG5avQUB6sJTQ/f +9cUAhzEE383JVjahjX+bgbrGfgOmSFhzuTHisv9lTGbHx3oupsGSkV745zle8GP 9h18/bhDClLnSWd1nrrT3oYaGHVn8jXyFHa83FtuxG+dso6rZqa3gmIsulkK2IST 8d4g3v0B5X4MN+UGTbk5nar1j2wfhR50EO0hsPlXYvsKsTcUmYoe4OYlreR3srqN 9nNdmQ8vkGrp0pO74CgBszcHA8pKsMtQPW9jbFXeBDArHJ9sSaHcKeECnCgnFcE= =4UqK -----END PGP SIGNATURE-----