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-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 15:35:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 15ee5ff142755151ba958ace43708d8c050027c9 * md5sum 0147ffe1dc7a454c20476ea0323a34db 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) iQEcBAABAgAGBQJSXWDOAAoJEIXCXpWhbrlNAggIAJLgiDKBcwx5sQp/7mT6NFN4 lMOHEDaL2zoovA9/vzNui8JrLqK0SwddpXn8j5ok9ayvj7xFs38qHuwcV8lNYqOb ysEridprk67mTrYY3GxBjfxq9aPr34jqcVU85YXywnkeNitIAw0WxmQobXi9iR78 lPP4AF13Uv4sqPwsZ3oO2Iw8WyIqLVhnqPpBUt6FT5eJp9ugoZdgWh8Z3y1jL+Va sKfTGHAoU4e0U8c/W5CBXtxDQmW1gsHAow969Qx6r0Yhp8bH/p/dpzlKc0X1s1YX zWOO4uY5hcSVT7uklzkPomr8twdF8veFgZVgks/a80tEvuQUiRUuKcCV0F9LL84= =c/K8 -----END PGP SIGNATURE-----