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-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 15:10:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1846f3cb295f262f4af8186aa33e2419e7c632c7 * md5sum c52a9913a1bf8769ab49d9fb92e2eaf2 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) iQEcBAABAgAGBQJRrgNFAAoJEIXCXpWhbrlNCNQIAM9KkkYaprkyYX28bIQX04b3 +0rqpb5fiIHs5C52vuNRJ2A2o5CpYHkJYo2BbdfsMT/H6h7edtWwjD/JbI6quzuu DRcYDwafEvAx7Dmhf031SFHYJdabR6zVoUQGLenRxaGw13IYv0lwycXWgsm6Kkwn QQIOXiCVW7VtmH9HJnNgS8dGHrDIfxSkoQBNiHgQhIqiGIZP5K1VNrnwwEg9ZWMy 1bjZbFRxUb9XcTj1PpFLN89QGAvJvb8nUWkR1C/HN8OKE2vxxKa7tlPEbVPkCbko 8YizdoY2wKEBD9ZcjUgZeQDOaPJuzTS44GTgeZc9NVjKZ7B34Aijhz1vum8WamE= =QDKG -----END PGP SIGNATURE-----