diff --git a/cau/cau.sh b/cau/cau.sh
new file mode 100644
index 0000000000..cd8e7a158a
--- /dev/null
+++ b/cau/cau.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+NODE_PATH=@l_prefix@/lib/cau
+export NODE_PATH
+
+exec @l_prefix@/bin/node \
+    @l_prefix@/lib/cau/cau/cau.js \
+    ${1+"$@"}
+
diff --git a/cau/cau.spec b/cau/cau.spec
new file mode 100644
index 0000000000..d18afd4b3a
--- /dev/null
+++ b/cau/cau.spec
@@ -0,0 +1,82 @@
+##
+##  cau.spec -- OpenPKG RPM Package Specification
+##  Copyright (c) 2000-2020 OpenPKG Project <http://openpkg.org/>
+##
+##  Permission to use, copy, modify, and distribute this software for
+##  any purpose with or without fee is hereby granted, provided that
+##  the above copyright notice and this permission notice appear in all
+##  copies.
+##
+##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+##  SUCH DAMAGE.
+##
+
+#   package version
+%define       V_cau      0.9.4
+%define       V_cau_snap 20200309
+
+#   package information
+Name:         cau
+Summary:      Certificate Authority Utility (CAU)
+URL:          https://github.com/rse/cau
+Vendor:       Dr. Ralf S. Engelschall
+Packager:     OpenPKG Project
+Distribution: OpenPKG Community
+Class:        EVAL
+Group:        Cryptography
+License:      MIT
+Version:      %{V_cau}
+Release:      20200309
+
+#   list of sources
+Source0:      http://download.openpkg.org/components/versioned/cau/cau-%{V_cau}-%{V_cau_snap}.tar.gz
+Source1:      cau.sh
+
+#   build information
+BuildPreReq:  OpenPKG, openpkg >= 20160101, node-openpkg
+PreReq:       OpenPKG, openpkg >= 20160101, node
+
+%description
+    Certificate Authority Utility (CAU) is a small utility for managing
+    the X.509 certificates of Certificate Authorities (CAs), which are
+    required for validating certificates in the context of SSL/TLS and
+    similar Public Key Cryptography scenarios.
+
+%track
+    prog cau = {
+        version   = %{V_cau}-%{V_cau_snap}
+        url       = http://download.openpkg.org/components/versioned/cau/
+        regex     = cau-(__VER__)\.tar\.gz
+    }
+
+%prep
+    %setup -q -c
+
+%build
+    %{l_prefix}/bin/node-openpkg squeeze -n "default:safe"
+
+%install
+    %{l_shtool} mkdir -f -p -m 755 \
+        $RPM_BUILD_ROOT%{l_prefix}/bin \
+        $RPM_BUILD_ROOT%{l_prefix}/lib/cau
+    %{l_shtool} install -c -m 755 %{l_value -s -a} \
+        %{SOURCE cau.sh} \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/cau
+    %{l_prefix}/bin/node-openpkg install \
+        %{l_prefix}/lib/cau/
+    %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT %{l_files_std}
+
+%files -f files
+
+%clean
+