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-lxc-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Wed Dec 18 12:04:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ebaed360bbfd94a7b4dacb32276db2a883485019 * md5sum a181331da85d07c06388286d72bdc6be 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) iQEcBAABAgAGBQJSsY9NAAoJEIXCXpWhbrlNebQIAMYL2789Y1MQwThHC5aVhd9g MiRTjZULYkEVKdL7d+UJwFyccDDL50tV1PXcRhT/mmqxCrSPCCrOfTzfecHAKHcU /H8n/VdahY2ArenCSaQi/YI7xxwwyehmVwsrb8tpPKugtqG8yOH0WGzIFyS7El+H FhkuGs9BXXoG+ZhsAxllYzfvfgM2ivMuXWOAQnKo9EYXy/pX3swHg9RgswND8/5k 6diTEU66u4Qy7CVdhV2/29Mtn61n8B/AOTAlLe/ttTaLASJ/bVjavTq151wS6zvo Natc4zoEkgP0ar6cios1WrYmp0eD148sSipSQON1Q4/wFri8kNHaK/YQn4p0L1U= =UZ0A -----END PGP SIGNATURE-----