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-osqa-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 14:56:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b8f9a9aba0cc50432e642de596e94a49fbe551e9 * md5sum d118e952787c7895468d2e4536c9f943 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) iQEcBAABAgAGBQJRrgAfAAoJEIXCXpWhbrlNMocH/jRyHvTf0poPVw3GcN2Je2MR 6WMVrpHAKhXYUZK2546L4v6K4w9WYoIV2PPuyX4MaIg35s/r9mBYbrCrigRL151f 5fES55+g/QcYUYPYTvNDvFgChOeiUpvMJ65jwDHa+IxM70vBjBQN7nN627/iB8BL Rt5G2IjW6CLkpUhoisqaj+/znzkpdOjcvh2Z4KfrmHDb7OBkWIZXwXvDmBL/94gt m7wHDQKqDGVjXeqPka8S8jaUIqZEegB3mtcdMp9wpaoQ0jO1g/8jrwNf/nk7yO4Q tbKX/hxV8+HdfhwmFPR50iyoZyUO1RS5YQ16u8/CkzTOz0HjmVBM1o7iBFvgmYU= =DrmG -----END PGP SIGNATURE-----