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-orangehrm-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 17:31:24 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 11acc6fd09356dca7d35eaaa0ee7aa3d0bbbef06 * md5sum bcc24fe08399d5d550a6da5dfa1e9ebc 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) iQEcBAABAgAGBQJSXXvhAAoJEIXCXpWhbrlN3GkIALiyQKljO/tbPv75iHJrXiRR u2DMRg121+RGbaPvrV0ZVozA5cN9aTYP7TcMueuGRw/Ut3cR+sFfGNRuDn42E0P5 m1RBC1CtzXi11bDKcKgtlPFA494YtHOJDMtTxVgcZGE4WvJ+Rg1vGIarYeNch5QQ dT6LvQr8CeENfomnnJHh9mnKCxfIz7GHWgWN21BgZ5Ssa2h0JvZ+1l2f4LJAKGvn Fe5wwJP76djwN2GNsYOBOFRGpzXj5vMNXeaRYVMvXIuv3qrTXK+lHfpbW003wIvY x4PaboCJ5+bt9j/o8ZdnFF+A+6uOk/y9lc3ljJzNUaPlod6H6YwrsY+BiDk1gFs= =OuOI -----END PGP SIGNATURE-----