Add rng-tools

pkgs/tools/security/rng-tools/default.nix

@@ -0,0 +1,21 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "rng-tools-4";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/gkernel/${name}.tar.gz";
+
+    sha256 = "15f17j3lxn1v2mhdxvy3pahz41hn1vlnnm81c0qyh19c4bady6xp";
+  };
+
+  meta = {
+    description = "A random number generator daemon";
+
+    homepage = http://sourceforge.net/projects/gkernel;
+
+    license = stdenv.lib.licenses.gpl2;
+
+    maintainers = [ stdenv.lib.maintainers.shlevy ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1417,6 +1417,8 @@ let
 
   ripmime = callPackage ../tools/networking/ripmime {};
 
+  rng_tools = callPackage ../tools/security/rng-tools { };
+
   rsnapshot = callPackage ../tools/backup/rsnapshot {
     # For the `logger' command, we can use either `utillinux' or
     # GNU Inetutils.  The latter is more portable.