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-gallery-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:59:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 43d8bf5c3f555484f24132bbf589b7330b2639ce * md5sum 76eb8cac6707f92f9f1a92ce43df3c35 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) iQEcBAABAgAGBQJRrfLAAAoJEIXCXpWhbrlNaUcIALSgIQ7P0t49idfSi8TKZw99 T9C/RRS6HpxXoAJpMb2U97TNTe56zcHRlbNVjiGGyjdzK/quTasw4TXRepxS3ypD ZXtoWgSGYJ8zAo5RgAFSiiNtEr+taa/KAtkOxm0hqKafdpR2pBVWtvUS0GmwH8G4 fPrq4h1Lm4w+Y2p2Lg2EQuaokldeblUfnscUQoFiV1GVl1nodtrpZIA4a2SDCWqc +UPzBB/vXN/ppBdw35DGB0WLX16ZeM1W8d5sDsByevDGjva2+b58kstdd3eTT18Z y9ud7S5DnOebpjD5/GjQLNObHgDMxr+hcqqTI/wWMqrt50ziZarSXvpCvE2QbPE= =NuJ0 -----END PGP SIGNATURE-----