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-ezpublish-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 09:04:03 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5cbf0f16dfc251a48284cc4d86cc57cfe42b48d2 * md5sum 0ace6075c6bfd85720214fed82cc060b 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) iQEcBAABAgAGBQJSXlZ4AAoJEIXCXpWhbrlNk9QIAIKggo7fG2avzFP32Ly1VMb6 3vpOa8IsL6ePkb7XR5fhz7sAvWWfTxdlcE/zXBRUivxJ9XSA2Zce5jE5+qi+xV0f c/15BSIBxKj2SKLYWZ/zG+oLO01UkSfdoZz23q39eGtIFGkfo8zGx6DRR1ckvsAD tFYpnaJRqF8rdKqkaqak7BRzs/J2uHDxcILMXGhLga5783tppjKMyisvMrZBUYLB Hw93VeFkysROaS5kA5Sk9CyjwFAtcshP9w8c5FwaHSBPlkAxywZj48/qUwMgzVuE eM3yPCH8qt2ziPeKcxuwfWMC/0MkIhrdifknA+Uj3mmmSYaE3R9VrFabDEKQurs= =du7s -----END PGP SIGNATURE-----