diff --git a/cas/1.0/default/MediaCasService.cpp b/cas/1.0/default/MediaCasService.cpp
new file mode 100644
index 0000000..ca43224
--- /dev/null
+++ b/cas/1.0/default/MediaCasService.cpp
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "android.hardware.cas@1.0-MediaCasService"
+
+#include <android/hardware/cas/1.0/ICasListener.h>
+#include <media/cas/CasAPI.h>
+#include <media/cas/DescramblerAPI.h>
+#include <utils/Log.h>
+
+#include "CasImpl.h"
+#include "DescramblerImpl.h"
+#include "MediaCasService.h"
+
+namespace android {
+namespace hardware {
+namespace cas {
+namespace V1_0 {
+namespace implementation {
+
+MediaCasService::MediaCasService() :
+    mCasLoader("createCasFactory"),
+    mDescramblerLoader("createDescramblerFactory") {
+}
+
+MediaCasService::~MediaCasService() {
+}
+
+Return<void> MediaCasService::enumeratePlugins(enumeratePlugins_cb _hidl_cb) {
+
+    ALOGV("%s", __FUNCTION__);
+
+    vector<HidlCasPluginDescriptor> results;
+    mCasLoader.enumeratePlugins(&results);
+
+    _hidl_cb(results);
+    return Void();
+}
+
+Return<bool> MediaCasService::isSystemIdSupported(int32_t CA_system_id) {
+    ALOGV("isSystemIdSupported: CA_system_id=%d", CA_system_id);
+
+    return mCasLoader.findFactoryForScheme(CA_system_id);
+}
+
+Return<sp<ICas>> MediaCasService::createPlugin(
+        int32_t CA_system_id, const sp<ICasListener>& listener) {
+
+    ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
+
+    sp<ICas> result;
+
+    CasFactory *factory;
+    sp<SharedLibrary> library;
+    if (mCasLoader.findFactoryForScheme(CA_system_id, &library, &factory)) {
+        CasPlugin *plugin = NULL;
+        sp<CasImpl> casImpl = new CasImpl(listener);
+        if (factory->createPlugin(CA_system_id, (uint64_t)casImpl.get(),
+                &CasImpl::OnEvent, &plugin) == OK && plugin != NULL) {
+            casImpl->init(library, plugin);
+            result = casImpl;
+        }
+    }
+
+    return result;
+}
+
+Return<bool> MediaCasService::isDescramblerSupported(int32_t CA_system_id) {
+    ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
+
+    return mDescramblerLoader.findFactoryForScheme(CA_system_id);
+}
+
+Return<sp<IDescramblerBase>> MediaCasService::createDescrambler(int32_t CA_system_id) {
+
+    ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
+
+    sp<IDescrambler> result;
+
+    DescramblerFactory *factory;
+    sp<SharedLibrary> library;
+    if (mDescramblerLoader.findFactoryForScheme(
+            CA_system_id, &library, &factory)) {
+        DescramblerPlugin *plugin = NULL;
+        if (factory->createPlugin(CA_system_id, &plugin) == OK
+                && plugin != NULL) {
+            result = new DescramblerImpl(library, plugin);
+        }
+    }
+
+    return result;
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace cas
+} // namespace hardware
+} // namespace android