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-bugzilla_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:19:39 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 19f452a948bb5fd3178ae72a6e3bd7bf1a9d1d95 * md5sum 2d433966d5508d39686210414a113d6a 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) iQEcBAABAgAGBQJSXkwVAAoJEIXCXpWhbrlN8mAIAJtlQkk0Dp6rrxChEGLAPhjz TkJuBQ2n3I02TXOqG1tpy2WwFOhM4hZP7t6pEn436gD/Lp6z02ijIO6OvKoMhtVh Ci0mEz9BVBKvSsRHcGy72JWQztP992D2lLazYMjhZgG9OUWWnfF66nmTFzSlzAEs PZXjcM7ysHkYi6CW8QponWm4veucCojD0BljbIe1RIv7cjXBEJFMwJP6829cXG7c F3G3UBL6pSawVd3u5iXJzmu9oqhuipCbdnqnftFUlkU431Hhmbygof6QlxpMnU6K Qs8RlOXcWHPgEJ1GC4SWexOYs+DDyLcrTkdPyLx4+Rv6uyFiriaPWfSWKqRzI00= =S+kS -----END PGP SIGNATURE-----