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-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:28:09 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8e1c7e35d8bf23fbd51a1967c2ab2d6f683eea9d * md5sum 3d55c93d6930ad1c60437d9d108daf01 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) iQEcBAABAgAGBQJSXlwfAAoJEIXCXpWhbrlNER8IALU6IO84TFUofbO2EKJUGuqa /R5IkUmmigzopjLGhnH5sVHQtoGd4FxUVMHzQ3fn/5xJQeR4ULxbNJMDQDeIoxY2 kjr8DCF9K7iRXyxmhdRZ+nzcGzk9jUma+igzS8YN6OE+L9uY+0JRy/pqLPkegk6k SIHVZrynIVc4VKv7o8K5ghNdbTjQ9kSgpkphIGWtSHTuZGJzBRYTB/GSnsE0afVt koG//0o0KBZvncqHebjCY/jRdfKvVEiBtKSuIq+bVRraWiXJgzdUR6O3MLFpkM9L nz2YnREG3M+RTyfimoYemTSCq8IEczWR5eq5P8Yk7geZ9Lqz/88HOxLR3AEk97g= =plf6 -----END PGP SIGNATURE-----