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-gitlab-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 16:06:43 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 1f4c36c486dfdc747304979bf4d308126b3a74b3 * md5sum 4ad369844fe5f24715ceadb454bda43d 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) iQEcBAABAgAGBQJQM7IDAAoJEIXCXpWhbrlNzZQIAJ1yMUnILn69FeFE9g3DLhbR lV3T+OKcBuZZlqyK82eDAw01rw+P9NDI8y/zPSkvg1B0DArkx5NNC961nEA5HaEE Mb3RMYYxrJzh7avpDd6SLay8RAL9fVBTozMaKLGMHKbV2puFKjgNgBUX+RVZ7Yrz NtiOU6gR7XtI2KcZSobIrPGHfcChL44wKQUhIdNcEiNaAyFPc5iwzpZTdcSqYQ+V 0cGWk3Bm6wOk/8dNJeMJcKhoTFy5UwpY6LWSaRUhGKZDYmUofflfUSeX2F/0itkX IM56T8EIvpR7fhG1kE5J2qdkmPWtWlFgF+C0j+mjcKgmKYjV5hXYCqMzZCCxefM= =foTA -----END PGP SIGNATURE-----