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-mantis-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:18:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dd7127059d42ad2164ec4c4864d0ec653f90397b * md5sum ae1c1f2b6864e84ef167e131c8b86f72 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) iQEcBAABAgAGBQJSc3H6AAoJEIXCXpWhbrlNJk8IAObZRJ/S9a2iOX0d7WP8dDlG BofUBGUN0oZmjDBV+7no9K+PTjY+rMOPplhF9gtyP96Brh702lFRZikmk9lNsEp4 Tkq2DP0zfiDRMkMSWZgf8lH3TiMDAUC7xUayJk+T5k+hyxrtvkVWKhF0YVMSTjPd i9QbJGEAMvOPaG7N307itr4+c60ELqJhOHtAVyK6Scdm4lTLhAql931fH9uiQfhN 5ne2GmPKGu1sKW1+2cxxj0pUqReZChHLm0ZwIEyjfE/wtNJiOXPMBijw+TMWnsMf vqMWbGkn/aLIx6QjwWbsq0w29L4FpJptBuE2s/BSzESpH8O8VqJa+8ULs34eWEY= =+RFu -----END PGP SIGNATURE-----