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-mambo-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 16:42:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ddec26fd7fe1e577bf28c55742456177babaf79c * md5sum 09504f7c52d9f173e2c60aad33bf1f62 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) iQEcBAABAgAGBQJSXXBbAAoJEIXCXpWhbrlNDl4IAMuss6WK2y8OF6llow9GGTQC MbGhSf9C3k3JIIt1hbSZRiYfweVTQeXLnKzTjArjvhscweSvu3FcJ7QdGN5LF/SL 5t1NyXmdyvJj+aViPUNEwdllTl5jEOpUtoZZ79vHXMvJdk9Up+p0SWJhSPgPqPgR lH5I6piXV7NAPMqAczG7D8TtXUHyd5PYTn1aiR4g9GC7xECM8O9QZ1OlkH8N6rFX fiDEcg9rvj41khk6UCCNNt6kQVWXK8pab9HP57sh9uIQRt6cdd3wS6h6I/NQVrba nX7J7jNJz1Zh5fYIAOAaKj0ckowjyioJ/xNi4Tq6ZwG0GHjGWLlBcS1GhrOcFJM= =QX/7 -----END PGP SIGNATURE-----