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-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:08:39 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c5e2e5463907f6c99488ce2c22438be4d902ab22 * md5sum ffbc8df124474fc14e900e4186bb1125 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) iQEcBAABAgAGBQJSc2+PAAoJEIXCXpWhbrlNRE0H/2Z/G1p66KcnwmqrZ3XzjIIl W9VvQxFZl5DKYFKyzR5nRfIPhIBxDFGAO1MPv0swHkbncOYrTWhmdEEZWT2wzvKw AOoWpLXz1p3P+3ZSStGBW6szxQ4jn//VH0FJYSmd2s59geoUXYPDa2jg2HGah64W LTXHIoKayTaVLXL7LZiSbmt4lZCcippr2JV+nlwbRVsFKNDYxXQK1bPx7lhBrmNa iCVYeiIL6IHOZ4Uv+DmMqYjV1EvF6Att8PnxGE9IT3eRbQVj+/llMCB1ZzTxQbc0 mlK5//DUQEiz8d5Yo83+zKb5Kvo5LUWujTkkXX03txyfihnx1eA1gTY6g5BjwGs= =SCOK -----END PGP SIGNATURE-----