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-torrentserver-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Wed Jun 5 00:43:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 15d1224cc3f6f6c63406d6e4b2b9fb5d3cae49c7 * md5sum 0dd818cf995ec336e479e307465c457d 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) iQEcBAABAgAGBQJRromuAAoJEIXCXpWhbrlNSBAH/AvCFqmrS3hWp4DhneysiUGt vgfXJs43Q6ET+AWSXAfX79yxvsIqhP9aYynGwrORGKr3m/hiDu8Z18rFOv8aFJQP wPM4vQiqTfzOsxRz8cuC0L6+RtF76NRkFZ8YvDv9gR6vjxV2cHxiQd9lAjUP+BQ4 lZkj6KddiXzqRdPgl5W6n3kIilZA+xHejc6x8LNhGD0LA8JnBiz9vUEawG9mU6rY uXx9Nqt5muIhzxoyTdnGd+Crf27ntGwKnBd0HHIlFw57+MZkz/UOgx/2BbYeIiBd Bo+1IetDCkRTgAmEqygKYkly0gE+nxIvIH8EK3s1u5WiWtVzR8GB/GtvwxrMaO0= =h/Ir -----END PGP SIGNATURE-----