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-mysql-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:33:05 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c2917f19645905bdaedb7dcb6f9e2b1a53863940 * md5sum 6f635906b38b83fba64b1fe3b31f0a3f 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) iQEcBAABAgAGBQJRrmsXAAoJEIXCXpWhbrlNkIIIAIEKlYOYQnLbe/+ETZyacyEL ilGnvwssThzkgSLM/P1+IuO4pjdCrd7oIKDQpOaZj+F9Go9EwhfTqIGxDo+w/z/O Xxe1OZbwOOS+semJj1uGKKnJO2uFujbcGXuSb93xGYaHbdTptyPwkhZCT+AiZvza RwhQ1Vg1435OM9LnzLmjOT+d41dwheqqIG/3sSoewOOWcGGr5rxRWTJDuTZR61h9 vRGo+Rt6xh2hzP7sKhgnjJLSF+rZsnj5Hk6yWNdcOOnglXEos8Xqxs8QJWQoBcTm lZm285gBhFm2TkUR/8iyCjsU43cXL4jNaJE6BctmBxfbh5Mqxnc4f2LU1Zqoxr4= =9Zs6 -----END PGP SIGNATURE-----