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-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:01:37 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 447387b02711cd4968fd85c51200e8e7cca01c6a * md5sum 463c2365c83b76cf05f7d94966501170 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) iQEcBAABAgAGBQJRreUqAAoJEIXCXpWhbrlNJCoIAMxwPVx3/tk3GXF5vVm1Tf/h a+Vb3SO/eTfRd6WMtvVsjfxzuMF0Z4AtCcaO4rBOtRbLYYoNHN06+0iX1h4lVP2M xmB9jgK/J1n88yZphH3H2TpqmNUjvYaqSeFviXKh+tJNewjG+NUii6vHkhEAdc7O 3gRED5lnZJ2RdrtnbQP1X9yVDivphvwbtqjVH6sBHOemcEPmHtljmm0aXEn20enU 9PlYgXkjRP48DTT9XLCUVrEfvBRH0zJUd41r+DC6FV/7yDCGO+O6qv1WtXWe+pwb rY/6XU3N6Z5tuo3OqBQfvpjW5vqedhco8bwBQrBipDi/viR5x4rb4oGXC1kdPe8= =sZ+l -----END PGP SIGNATURE-----