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-plone_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 18:12:52 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e52853728be182b2a5bdcc4bfeb465c978756687 * md5sum 4fc92d4b2f99965c534f4f23b9712e9f 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) iQEcBAABAgAGBQJSXYWZAAoJEIXCXpWhbrlNV50H/3RQdycPjNtbkGaUXrEVKEQM kvIaEX6faaJv1ZvUnfM8YgxxYfHQmxuHVTo4GAT6G8+kl6Ibc+TG93ZroUGcypAj pN0RkEYdMoKCIXosWgVNUb69ijzbdaHd+vr5w2by5pXqHCDh30X71Ctd2V7IYBxi hQryY8opGl/yDO3BNGI42VGH1ODqDe5TLsDgQlzJ3CJSjhBqqrnBX+gxljHsN8bT ISNZZNSQR4WPCnQ/yqLDm7ZONL7TPgp9loFUlu2r4TJepppzY4+YtUiE1BAcqIVm wGpvEDl4T32dDbGr1lPLees63DjS1toSJ1Q9YC7zxlERGFtm+dNherO2ttA/G9U= =uT/O -----END PGP SIGNATURE-----