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-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:17:19 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 25617c82ddb58a83c9cffb8ae1deb052233cebc3 * md5sum 5a5b2ea031b5513e612859b29bf89cd6 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) iQEcBAABAgAGBQJQM6Z0AAoJEIXCXpWhbrlNYisH/3no8NDxKQYTvmrkyTCEa4Ah JPTMWExKipZl7/06buCqNrKkfll+1n/H4vDZUIelLZBBgFQj1VqJCJcVFZ98Jb09 lhfVgLxD9n0imCpBmjQGeOFI9cwpxXnUa+UGKb6TWRU1gWRzkWlTZKvon4NmlhVX 6cFRjskYgnrSsZNwQqWV6aCdtY2X3jkmW1q4Te9Z1JY9Z+Rs/mY+CizcgDOEVmlA hnM14ifcEPipUzCPJMava63xkOGvmT5nEBPRYVpB2C51+ymNBGyHMPmB6kWp1phy SveV82jPSjBeV9mPRnYuFWNUjOyQQGEe0FHCcNviUS1pGXSwfMy0H9sDBHYW+pQ= =9J79 -----END PGP SIGNATURE-----