diff --git a/modules/simon-speck-c b/modules/simon-speck-c
index 2851e51..76d5525 160000
--- a/modules/simon-speck-c
+++ b/modules/simon-speck-c
@@ -1 +1 @@
-Subproject commit 2851e51b6b975b131d674af976b70e8e9881df72
+Subproject commit 76d5525ffc52b2f69d314c11230401557e54611f
diff --git a/net/plugins/WebGL/speck.bc b/net/plugins/WebGL/speck.bc
new file mode 100644
index 0000000..eddd5b9
Binary files /dev/null and b/net/plugins/WebGL/speck.bc differ
diff --git a/net/plugins/WebGL/speck_common.bc b/net/plugins/WebGL/speck_common.bc
new file mode 100644
index 0000000..38cba88
Binary files /dev/null and b/net/plugins/WebGL/speck_common.bc differ
diff --git a/net/plugins/WebGL/speck_ctr.bc b/net/plugins/WebGL/speck_ctr.bc
new file mode 100644
index 0000000..41eae83
Binary files /dev/null and b/net/plugins/WebGL/speck_ctr.bc differ
diff --git a/scripts/create_unitypackage.sh b/scripts/create_unitypackage.sh
index 44809ad..1ec2450 100755
--- a/scripts/create_unitypackage.sh
+++ b/scripts/create_unitypackage.sh
@@ -25,6 +25,7 @@ pushd build_unity > /dev/null
 /bin/cp -r ${BASEDIR}/net/plugins/* Assets/Plugins
 # copy dll files
 /bin/cp -r ${BASEDIR}/SimonSpeckNet_Static.dll Assets/Plugins/iOS/
+/bin/cp -r ${BASEDIR}/SimonSpeckNet_Static.dll Assets/Plugins/WebGL/
 /bin/cp -r ${BASEDIR}/SimonSpeckNet.dll Assets/Plugins/Android/
 /bin/cp -r ${BASEDIR}/SimonSpeckNet.dll Assets/Plugins/x64/
 /bin/rm -f ${BASEDIR}/SimonSpeckNet_Static.dll ${BASEDIR}/SimonSpeckNet.dll
diff --git a/scripts/plugins/deploy_emscripten.sh b/scripts/plugins/deploy_emscripten.sh
new file mode 100755
index 0000000..e60a1ef
--- /dev/null
+++ b/scripts/plugins/deploy_emscripten.sh
@@ -0,0 +1,20 @@
+#!/bin/bash -xe
+
+SCRIPTDIR=`dirname $0`
+SCRIPTDIR=`cd $SCRIPTDIR && pwd -P`
+BASEDIR=${SCRIPTDIR}/../..
+BASEDIR=`cd ${BASEDIR} && pwd -P`
+
+pushd ${BASEDIR} > /dev/null
+
+# build speck by emscripten
+pushd ./modules/simon-speck-c
+./scripts/speck/build_emscripten.sh
+popd > /dev/null # ./modules/simon-speck-c
+
+OUTPUT_DIR=./net/plugins/WebGL
+/bin/rm -rf ${OUTPUT_DIR}
+/bin/mkdir -p ${OUTPUT_DIR}
+unzip ./modules/simon-speck-c/libs/emscripten/libspeck.zip -d ${OUTPUT_DIR}
+
+popd > /dev/null