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-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 08:48:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6311b3462c3a8984afc6205067c1eee421e1e7e7 * md5sum f68e3fc030d16e11570bb5568ba54982 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) iQEcBAABAgAGBQJSXlLEAAoJEIXCXpWhbrlNS68IANo3gaBLB/CUUl+BXgkvupxE VOXEeMysGf/sgsnk+n+NCDITJBYGJNBpuJgtqqulehXJp6Qh/3psMEGEoedj3uTc 03cXnwtrB9ARdMGJIMoSl4k4nQ6xKV5It4LkBb22wxFNtGIwVnVZpxX9N5MoJknQ aqgbI/L+zW0SnldHp1i6wpqzYRp3o/MGkQOKBlLCgGw+qyXCV/AIqVfk3qK20j1v aS9eR5cDctBmxXmECGKMLBDt3ieiOKg0Uby94u3rriAvzjbAnOoEIFJtbrxc7uaX jIAsAn7pq3d17UANnIrCHCQ2BQt6kAVPMHob9/j3Rgy4KtjISd03tTXtO66D7Pk= =HxeM -----END PGP SIGNATURE-----