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-vtiger-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Wed Jun 5 01:36:02 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4a4a134374e2f62057e8c8a8ff218bad169ebddf * md5sum ec4aeef409404d10850fcf98f1849daf 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) iQEcBAABAgAGBQJRrpX1AAoJEIXCXpWhbrlNdzYIAI4Dp8BdWAZpTSY4gge3n2Ae 9YZCNAuGEL/l2VK0w4N6e+qOhRuvcHEFxae3j3iaObTboPt5ctGwjFLid/yXdDOx 5HHqBtpO0ffbPfg3a9M4q/+H1MzL+O9E8d6ay1gk6soyj2wWmigLC/l/tUOipWv0 e3iUqXzXKEFt8YbARdCEdTW+sYwmPUMUIPnx1bNAzkyqLqhATye05PVDJmwr5iZC NkXYN4XET7s8OXqX8T2fMe7jKNo+DVzj0a2Z75+Q95fxHQthxp6WNlbyZcDCVuBQ XtklEnKNNcRxpDTSBdyE7TWnPZ6BUJ4Pg9yAj8Ucxfm6a+ezCxGD362d2709s8k= =lZQr -----END PGP SIGNATURE-----