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-otrs-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:22:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1d6c24374a37a60f37d2d89d87b30fbc820bbc88 * md5sum 520137f8fd581d5800623c6cc2bc5600 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) iQEcBAABAgAGBQJSc3LUAAoJEIXCXpWhbrlNs3MIANOvZIdYfNr+mS8AWI0PR9u7 M4v9uFukM97ViV4t3am1b2a10LEuX2Dvgy5V3Iu3JvnpUElhXyuZI9OpcxcEguFZ iR7YGLpvXPHZRMLLfEcICxIOBLJEnUgo+Ril8HM4Ie48X1F+DVGCA1hIn+V2URx/ yrMNtiAOf1G+FguDcu90PsyPaiEXjNCZQ48xC0KIFHJfgL4azwZ7NyVbRrD5dpcm 7yJzqdY//1l4mG29qtGPDFeCVtNtZNcaCql80F3f/NlMUsYOotDHa6qOGYgF9vwv t6I94xLm3zXXaK8JopEVCH9aIhNUSJIJuU9TAnDx6Kh+K5drL9A2FOiLMK2ttN8= =T9F9 -----END PGP SIGNATURE-----