expect staged .zip too and .sha512
diff --git a/buildTools/check_sigs.sh b/buildTools/check_sigs.sh
old mode 100755
new mode 100644
index 5a5c96e..0c9f387
--- a/buildTools/check_sigs.sh
+++ b/buildTools/check_sigs.sh
@@ -55,7 +55,7 @@
     fi
     
     HASH=`shasum -p -a 512 "${FILE}" | awk '{print$1}'`
-    CHECK=`cat "${FILE}.sha1"`
+    CHECK=`cat "${FILE}.sha512"`
 
     if [ "$HASH" != "$CHECK" ]
     then
@@ -74,5 +74,10 @@
     checkFile ${bundle}
 done
 
+for bundle in ${BUNDLE_DIR}/*.zip
+do
+    checkFile ${bundle}
+done
+
 echo
 echo "SUCCESS: all checksum and signature files OK"
diff --git a/buildTools/common.sh b/buildTools/common.sh
index b5371c2..8c6ebfb 100755
--- a/buildTools/common.sh
+++ b/buildTools/common.sh
@@ -63,6 +63,10 @@
   [ $# = 0 ] || usage "extra arguments"
 }
 
+function getAbsPath() { # $1: rel-or-abs-path 
+    echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"
+}
+
 function confirm () {  # [$1: question]
   while true; do
     # call with a prompt string or use a default                                                                                                                                                   
diff --git a/buildTools/compare_bundles.sh b/buildTools/compare_bundles.sh
new file mode 100755
index 0000000..8e2a0c9
--- /dev/null
+++ b/buildTools/compare_bundles.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+################################################################################
+##
+##  Licensed to the Apache Software Foundation (ASF) under one or more
+##  contributor license agreements.  See the NOTICE file distributed with
+##  this work for additional information regarding copyright ownership.
+##  The ASF licenses this file to You under the Apache License, Version 2.0
+##  (the "License"); you may not use this file except in compliance with
+##  the License.  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+##  Unless required by applicable law or agreed to in writing, software
+##  distributed under the License is distributed on an "AS IS" BASIS,
+##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+##  See the License for the specific language governing permissions and
+##  limitations under the License.
+##
+################################################################################
+
+set -e
+
+# Checks that tar.gz and zip bundles have the exact same contents
+
+. `dirname $0`/common.sh
+
+setUsage "`basename $0` tgz-bundle1 zip-bundle2"
+handleHelp "$@"
+
+if [ $# -ge 1 ]
+then
+    TGZ_BUNDLE=$1; shift
+fi
+if [ $# -ge 1 ]
+then
+    ZIP_BUNDLE=$1; shift
+fi
+
+noExtraArgs "$@"
+
+function compareBundles() {
+    TGZFILE="$1"
+    ZIPFILE="$2"
+    echo
+    echo "Unpacking and comparing bundles..."
+    echo "[1] ${TGZFILE}"
+    echo "[2] ${ZIPFILE}"
+    
+    set +e
+    DIR=`mktemp -d`
+    mkdir ${DIR}/bundle1 ${DIR}/bundle2
+    (cd ${DIR}/bundle1; set -x; tar zxf ${TGZFILE})
+    (cd ${DIR}/bundle2; set -x; unzip -q ${ZIPFILE})
+    (set -x; cd ${DIR}; diff -r -q bundle1 bundle2)
+    EC=$?
+    (cd ${DIR}; rm -rf bundle1 bundle2)
+    rmdir ${DIR}
+    set -e
+    if [ "${EC}" != 0 ] ; then
+        echo "FAILED: bundles have the different contents"
+    fi
+    return ${EC}
+}
+
+ABS_TGZ_BUNDLE=$(getAbsPath "${TGZ_BUNDLE}")
+ABS_ZIP_BUNDLE=$(getAbsPath "${ZIP_BUNDLE}")
+
+compareBundles ${ABS_TGZ_BUNDLE} ${ABS_ZIP_BUNDLE} 
+
+echo
+echo "SUCCESS: bundles have the same contents"
diff --git a/buildTools/download_edgent_asf.sh b/buildTools/download_edgent_asf.sh
index 8c045ef..55d432b 100755
--- a/buildTools/download_edgent_asf.sh
+++ b/buildTools/download_edgent_asf.sh
@@ -94,7 +94,7 @@
   mywget ${1}
   mywget ${1}.asc
   mywget ${1}.md5
-  mywget ${1}.sha1
+  mywget ${1}.sha512
 }
 
 mkdir -p ${DST_BASE_DIR}
@@ -116,6 +116,7 @@
 mywget ${URL}/README
 mywget ${URL}/RELEASE_NOTES
 getSignedBundle ${URL}/apache-edgent-${VER}-incubating-source-release.tar.gz
+getSignedBundle ${URL}/apache-edgent-${VER}-incubating-source-release.zip
 
 #mkdir binaries
 #cd binaries
@@ -127,7 +128,13 @@
 echo Done Downloading to ${DST_BASE_DIR}
 
 [ ${VALIDATE} == 0 ] && exit
-[ ${VALIDATE} == 1 ] || [ ${NQUERY} ] || confirm "Do you want to check the bundle signatures?" || exit
+[ ${VALIDATE} == 1 ] || [ ${NQUERY} ] || confirm "Do you want to check the bundle signatures and compare source bundles?" || exit
+
+cd ${ABS_BASE_DIR}
+
+echo
+echo "Verifying the tar.gz and zip have the same contents..."
+(set -x; $BUILDTOOLS_DIR/compare_bundles.sh ${DST_VER_DIR}/apache-edgent-${VER}-incubating-source-release.tar.gz  ${DST_VER_DIR}/apache-edgent-${VER}-incubating-source-release.zip)
 
 echo
 echo "If the following bundle gpg signature checks fail, you may need to"
@@ -135,8 +142,6 @@
 echo "    $ gpg ${DST_BASE_DIR}/KEYS            # show the included keys"
 echo "    $ gpg --import ${DST_BASE_DIR}/KEYS"
 
-cd ${ABS_BASE_DIR}
-
 echo
 echo "Verifying the source bundle signatures..."
 (set -x; $BUILDTOOLS_DIR/check_sigs.sh ${DST_VER_DIR})