Adding libsodium 0.4.3.

pkgs/development/libraries/libsodium/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, fetchurl, autoconf, libtool, automake }:
+
+let
+  version = "0.4.3";
+in
+stdenv.mkDerivation rec {
+  name = "libsodium-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/jedisct1/libsodium/tarball/${version}";
+    name = "${name}.tar.gz";
+    sha256 = "0vammhvkz6masnwyacqkzkah05bgv3syb97jvg2y49vb67pwmspn";
+  };
+
+  preConfigure = ''
+    ACLOCAL_PATH=$ACLOCAL_PATH:`pwd`/m4
+    ./autogen.sh
+  '';
+
+  buildInputs = [ autoconf libtool automake ];
+
+  doCheck = true;
+
+  meta = {
+    description = "Version of NaCl with harwdare tests at runtime, not build time";
+    license = "ISC";
+    maintainers = with stdenv.lib.maintainers; [ viric ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4953,6 +4953,8 @@ let
       else stdenv;
   };
 
+  libsodium = callPackage ../development/libraries/libsodium { };
+
   libsoup = callPackage ../development/libraries/libsoup { };
 
   libssh = callPackage ../development/libraries/libssh { };