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-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:39:20 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum f2750aa4f01dd78751334ec94e0f7186bf6b1672 * md5sum 382db578d0a36848707c18be1c96e4e9 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) iQEcBAABAgAGBQJQM3NeAAoJEIXCXpWhbrlNI3QH/0nbYTjZFnZgNT0eKMj0J+SD fXF96o3xfjIv5KV1enkgRQ0ZWXr3LI4ZgG/I18xlLlWv+C1xBkmYTTg0K8L9GT64 NJgxLaLJeEMp3fjNn3MCxl4f0S6VuGwpdOx53yNFtSmho2dzVgiRh3ezywCSIFsk M8Udj8WgnnpHGLMCf71l6lQnjh6dnsUgI5B3Fw1Xiqg4Qp2OvVwPZRbqwgYvimiT 5sKI0ReoekG33SOFRRRWL4119XtuC0gzQPkdVHQpeY7+ILi/qKKvUP/Gd1dFKMjQ uxTqADgjqII9H5df39aWid0toT8zIAqO19NSwj4SDRjCHL8C5aX3tRzhHZH8UEA= =ySdb -----END PGP SIGNATURE-----