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-tracks-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Wed Jun 5 01:25:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dbb92df6fd77650c7952395c3d74c61dadeb40db * md5sum 7be525ceb876b17c7a491ad5b1295a93 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) iQEcBAABAgAGBQJRrpNkAAoJEIXCXpWhbrlNwJcH/3YNarP4z7WGCMaruTc03rp8 PIZmP0LcTW3j/KIYbbkqB9D2DHFPiUqDPCQuAtFr59rsdT3Hwda2JyVTtRUzUIi7 meAMPGIOdVRvIvasY8dFjyDQKql93lyom6QO3O5mSTIKd3beDcwsDOHgwIlnPLcs uEv7Y+dB/cH/ZoX1jFMxP3oi1Yz/Ug4xi/TqeK046kq7AhcSqH4+LrirkQ6bUoQt VF07vR6SUUW1CeBvQEsOkffDLrL3325I6b0M9oWpVyKwmX3jBBmr5k2TD2yhJv3n GKnckG3u5eBJLk7AzI7r7Yw825s5Wa0McFTlSXVJS5+1nNcTj5ngZSvSODts4ac= =pUKf -----END PGP SIGNATURE-----