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-nodejs-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:41:39 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e7cabf75339c80fced8e6ef87e386b5351e9ecf0 * md5sum e4ab0fb86026d6a339e0b33c6fdc0f73 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) iQEcBAABAgAGBQJRrfybAAoJEIXCXpWhbrlN8QcIAKqWq3HCbKgK+9szFKLERLyW +8onAYCNpn+BDds7X9Qt36KWaVg3kL71FpRO7+r6QOvjma+tQuHfJ0lJ5VzYdvjX O51uV2q7HepJkT+QQg3fHQzA+RQqwc1opAfctJHxN1yHvkjKvV7WaxF4/hGFFpdX UE9xQzRhxUeyXPlIJSBc2qnLX+N2hEi5VBiyDBK4OI35KfP9XbbwrSF3X9bOQp58 lGXTJx6G5h75VSpcUiRUZdezlCe3sN9C7ql9/tGknWKvm8wJnhZ+wjMaANMd2xGk RvH3jIb/h4ux0vD8bxLvdPAGnmrC1Q5zqbDD0Z4h8i41WpLmPHYZXe0FLdecgv0= =ZlSI -----END PGP SIGNATURE-----