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-joomla15-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Wed Oct 16 07:19:42 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d26f09abbb8dab946efbcd96e9292cba8a372335 * md5sum d1b69e6cd228caeb8f6883afb1d7a05f 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) iQEcBAABAgAGBQJSXj4CAAoJEIXCXpWhbrlNvnkH+QFaadV/YT7u+jC6R4BD5tbs CB+rVXNJUmolV8iLY0dScsJkZv3mqLrk40BDlSWBbRLEpdly6W3bGP/3fcKTpznp q+sgGqhvCLD18u/URDV2U9s0TyAOzI80M8Cm8sOZiLFNQRNMqf8/uYAmFP+sDy1t 22VkxleHiu+EGjhfIKSTRvwuf+PrMrEGofLdVcbWrnjSvRvT/e8HzSK4Jar4HHnS 96XPF1NWR+C4gIxFlXQ1RNudtGYS1rJ266KlZoSeKIesNp1BZY4RkDbqsr7lzjdy YONRCJFdfnj0ZOXVCGjuSJ4R/9qn4nkvCKpA32Ix7HfzrvgFSxtQk66kCl8j+hY= =zoHZ -----END PGP SIGNATURE-----