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-wordpress-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 10:57:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 186ad53ab566f66323bc8b3ec5a57b5c3400e96b * md5sum e79817a6cd62c84d344d69c51c18d4db 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) iQEcBAABAgAGBQJSXnD3AAoJEIXCXpWhbrlNpD8IAJyi4tXCVjIJctYT7jbY/fiF VCPHhiWZP9TdHzMdc+DLLsDsb1t3TGflxME5WFcGkqjBPuClWMq1/tKWpS1pvZQu VFleKFhL8er/HWvNUWK8/Ae5ZriQm/h/RWGsNyG3zDta0BehBHJ55eWRq7M15d51 NfZprv/qkl6wAWciiyAE2wTPsTUlKQR5N859TkgLtTsnvAzJ820XNfFu0+opNtqQ 9vDNavG1xRWUy2nAHmqc2ZS54J9dvdb7s9AwhXwSiVCQmNjAxG9kl/oEvEAgjJNX 7S15ehdviSXRecEViaXacVgtPlFmtcUxfFt2DZhePlaMsT90vD3q4IgxhnvOyig= =LNdX -----END PGP SIGNATURE-----