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-lighttpd-php-fastcgi-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:12:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8c3f2a012c58bcd8f1e1180d59ab50734d16e81f * md5sum a8dba73b6efbf817a6afdb299ddc69b1 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) iQEcBAABAgAGBQJSc3ByAAoJEIXCXpWhbrlNxIgH/1n8kGI7KvEBZ6A/i3sU59TR LJThqYrV8EKYUCGKx1U+Vpy9Wej4z/eUIxeYBRqScns/qNkJjXDeZPrt71IboDil 1EXGUusAzVoj9VuJI6DMPsL+K+vz3479OJooDL1XbUMRLPqQP3susrN3n+9QBQWF uZhCZRqBh2EcMYrp/GKvfSvbPfbI573idajeoQ4WigY1BlDV6sQDqpdOKTmNnGNV M30JBG8XmMVo+WtEJgAy164qk4WIz2dWRnaD13ClDtY5x4rLS00W3vewE0z/j1Rz hPk3TqYPXR344b9vOSTk7Nhyi4IAnLbAbzjtc4tEXSx6iY2VYj5zGLy8OgX8l3s= =ipEY -----END PGP SIGNATURE-----