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-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 12:48:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6753fcb65dc07dff6e78c2e12a2dfdc169f4f54d * md5sum 4d5f58ebe0f58dbc8e93a9de032c0088 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) iQEcBAABAgAGBQJRreIpAAoJEIXCXpWhbrlN12UH/RdrpUh2XlqGy3XwLKBhTh+n Bngl7W3WQsFTPX5Mw55T4CL/jhq8G8fkInHCMfoNRQeI+nMfTMcMNb/nFbEbvqRO gwEyNNRzbxwdL7d+Ce5OtWiU66Lvd+oQbnbZPQgii8wpuqY2dMThRIjEK+lnHvVN uGv/x2+GDtpU7KiQStNvksmo4WJ1vqBuKpW5bDl1Q9Ke56EPHX+fHesMuwse72Fu gEaYyQRTPzZU2AaMzxQfL5SVFzCppH4KK+vCHh6k3huTkcl03ctTrPsJt9Y2o15N LUotEfO189W3bAhxcBkQtpBhYTf18cmswxj3x5AKjAIKmr3pNmvL7uNU+YIbSHo= =XmNJ -----END PGP SIGNATURE-----