{stdenv, fetchzip, jdk6, ant_1_7}: stdenv.mkDerivation rec {
    pname = "jsch";
    version = "0.1.23";
    outJar = "lib/jsch-0.1.23.jar";
    org = "com.jcraft";

    src = fetchzip {
        url = "https://master.dl.sourceforge.net/project/jsch/jsch/0.1.23/jsch-0.1.23.zip";
        hash = "sha256-W4aIGyO+XLhOTLThFsLyPf+v0MGxERL1uCKe/f/C3g8=";
    };

    patches = [./jsch_0_1_23.patch];

    nativeBuildInputs = [jdk6 ant_1_7];

    env = {
        JAVA_HOME="${jdk6}";
    };

    buildPhase = ''
        ant
    '';

    installPhase = ''
        mkdir $out
        cp -r ./dist/* $out/
    '';
}