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-ejabberd-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 20:48:18 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c64c350ccd28db9b644df27442eec16329153e58 * md5sum 5f4da6a4e7e4fbd78280bc2d80834a63 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) iQEcBAABAgAGBQJRrlKGAAoJEIXCXpWhbrlNv/EH/3tKj/O0OPT34BH+cOYIiw4m +JGulyFHha+xDmeNBhkluQybAYdsWqJe6RXPr5V0N/nUENlaqAQi5eSXuZvBeJor GQbnGpz/1ggH7vHxo0DJUL1rVLfyodt8QIdc6DCGdxDHJRJxROWMPhBZpj9xYVKR ZNtv/eyCN5j4C7U216JXQwWXy6MmQFGnIYmExTYX1PXwMUw9paBQfNNVvloWZDdD ksjr+FuJXz4Xb53qtcrt3/up/3osmr/2Jwn5ixpZ97LPVamcmkZCPKa99Yi6pJ+z wM4ocve1ySA45AtKC9Dc0z170z4nKFxmhvdPVGiJ/2YC7V+7ekU7KqmFJUHhggg= =nKYI -----END PGP SIGNATURE-----