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-couchdb-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 20:25:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 305760fd58fc2f9804d3b3625a8451193f7795bb * md5sum e94959043942af1ea5537f082a92f262 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) iQEcBAABAgAGBQJRrk0QAAoJEIXCXpWhbrlNPhUIAOpSVLTX6pYuuJaJBpFSmIh3 4P1xiXEVg+OW6/VAfAGNQnyMLsr+oyTI11S3KrVpFvLBCPhj4p2/ND+3zxhzzC9R eYAgPqB1cA0pK2eocCdDoGkMQiZqPRRuZSMAonJInE69BlEeKod6USswM9tjfmJ1 bgjH9r2wGmOExfUqvT8+++I6qXGi9grddH6QKi+WmsnyaY9SbQ49xw4LfVZg0TBh 6yeyLcIazR5MvbE4B+DZPWvNciha2tR+eJnjnKbD9/2PUhA4Io7L6GoyamWVo4MP 1lt6o301zGdRAiXl8GE1BnelCnb3eGr/AGy9til9WkF8Nc+gtun8xzcNzPbEGNQ= =RXFL -----END PGP SIGNATURE-----