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-tkldev-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 19:26:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4f602301b3e1a2b15cdeff4b7500f796044c8fd0 * md5sum 7c0623455e68bf17824d18bc15243d95 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) iQEcBAABAgAGBQJSXZbFAAoJEIXCXpWhbrlNx9kIAJgxZJ45CwAS++AgykLcmm/C SBRI3qC646OvwQTltb57iN2P0QABM1IT/xtyP8Of4rOArWK5x9n0Oiaf9J7EeYFh aelc0O9Hh84JgvW8wORFAj3iBfkHw69fjJKb36L5/hvgEpagEGS6JX+lxro7bdNs 9fV5dJHdNqRCc16IOX/0iB2oPqes3APM7EhKPB8yPpRfk8lGxjNslHGzQQGvDvNB tOQERv1FW6dn+fufC7AX1OubNX+gCaVrn6t4sra22COxN9AelkKBcbu54fUZBolE sxDn6HJxWXXc8hV2Y1wlSsu5xQZuP87y06uwIO8GmVkzeNFSi35uXXqK986jgCg= =7gVA -----END PGP SIGNATURE-----