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-deki-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 13:13:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 38b23e9d2f0a6d6e3c62c0408fdd075e7cfc5dbe * md5sum 41c58d4b5184791dee67972429f5e964 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) iQEcBAABAgAGBQJRrefYAAoJEIXCXpWhbrlNr1EH/i5t5Y2mygmBM6ww5+waTNLO CORTCqQMeLbqBJlCGKOhegXS5qx5hNCW/wKX9vFPD7jsqlne5fyKCQ5MTqH+RWEB eltmCZS/p/hqxv75g3+dz1eFu8QaEfNeJDRJ71OC8M4zfFzqoCpZwj3av3y9p0oK c7YMq5k7LWLqMA1xefbpgPyBqGzuZv9VgkgfNfuMscKQ3otmLOlcS6GT80ypb+bm pMMp+rXjW0Xl7YusXplI9ZWjSeUtUCQHUGXTlkHO/SDfT8CaIW4crLG0eKtxbPVI PwoSGk+pUavmRV/Zel+G4vQ4IUoskkEuo8rrQzX9MFzO/cKWyxlOveJL4foKD0U= =gANO -----END PGP SIGNATURE-----