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-ezpublish-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 15:40:03 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 4c14d774d9141cd41e9c8eebdbb721dd7636c0f2 * md5sum bac2dbfd6e3424d65f768e890dd563e3 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) iQEcBAABAgAGBQJQM6vHAAoJEIXCXpWhbrlNimYH/iuVKkInp461y689RosLCROp 7CHt1V9lOXSxeFsOtyftsmXd9/Fu4QRew7PzL2ir13y8RHuc8rQfQakXeolbPwav BCD0T+RYII+WBXsKWBH52BP26KGNNgvMCxckOiD8wiORnussd881Tj9/1eN3n/OV uyAmm4xwJkGIL0a5cLttdBHGzjhdseFn5TOOR2iPv/6jjoLzMgrLxCRTss76DSEj wItjZYLZc0Vo+3iWIbP+OjZZL0Ht7NGw8UdaWRsHGBZH6Ahn1SppDrLa2yGuR+zK 4DMbHTGQuisvOGxZfXTN9Xe4tMxHhpQspcwy6dHDqcVGwQDidirBUcX0boZAXyc= =32OK -----END PGP SIGNATURE-----