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-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:27:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8c76c6b2c440f4eb88223080f793ef9e7acd9ac8 * md5sum 52dbbc868d82dddb2f08206e9c9a02d2 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) iQEcBAABAgAGBQJSc3PoAAoJEIXCXpWhbrlN5BQIAISSIQPJ7MWJzhbBDE7DCQKg S3kg3hd3ecYT0an0npV/t8Hr1LUbWECeeSNcMhIa75nmwU1vpaaf1zMty8VK59rT XfagAe2d79DfJID/MxC3k3FaYYOb7nsufINnzvEdSrFo3wmbRbHJdTx05Ti4gzmX YEvYlwAHIe8SB+UkzN3p2eTX4244rP9ljPnLbbQbcZeYFfs+0nZRH6c1eRXFdWaQ fDZRI8K7DrRI34FMQt+umJt5tuTXApu9eJZB2szDSSQJa8yndDgiXDf13BJI0Oww 1U/zrkiYYZgD4dSbXNa1srTW+mKsbrzy4x2YxKX1uONHD9UA7rHEINnD/XFEspQ= =KJs5 -----END PGP SIGNATURE-----