diff --git a/keymaster/3.0/default/KeymasterDevice.h b/keymaster/3.0/default/KeymasterDevice.h
new file mode 100644
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+++ b/keymaster/3.0/default/KeymasterDevice.h
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+/*
+ **
+ ** Copyright 2016, 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.
+ */
+
+#ifndef HIDL_GENERATED_android_hardware_keymaster_V3_0_KeymasterDevice_H_
+#define HIDL_GENERATED_android_hardware_keymaster_V3_0_KeymasterDevice_H_
+
+#include <hardware/keymaster2.h>
+
+#include <android/hardware/keymaster/3.0/IKeymasterDevice.h>
+#include <hidl/Status.h>
+
+#include <hidl/MQDescriptor.h>
+namespace android {
+namespace hardware {
+namespace keymaster {
+namespace V3_0 {
+namespace implementation {
+
+using ::android::hardware::keymaster::V3_0::ErrorCode;
+using ::android::hardware::keymaster::V3_0::IKeymasterDevice;
+using ::android::hardware::keymaster::V3_0::KeyCharacteristics;
+using ::android::hardware::keymaster::V3_0::KeyFormat;
+using ::android::hardware::keymaster::V3_0::KeyParameter;
+using ::android::hardware::keymaster::V3_0::KeyPurpose;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+class KeymasterDevice : public IKeymasterDevice {
+  public:
+    KeymasterDevice(keymaster2_device_t* dev, uint32_t hardware_version, bool hardware_supports_ec)
+        : keymaster_device_(dev), hardware_version_(hardware_version),
+          hardware_supports_ec_(hardware_supports_ec) {}
+    virtual ~KeymasterDevice();
+
+    // Methods from ::android::hardware::keymaster::V3_0::IKeymasterDevice follow.
+    Return<void> getHardwareFeatures(getHardwareFeatures_cb _hidl_cb);
+    Return<ErrorCode> addRngEntropy(const hidl_vec<uint8_t>& data) override;
+    Return<void> generateKey(const hidl_vec<KeyParameter>& keyParams,
+                             generateKey_cb _hidl_cb) override;
+    Return<void> getKeyCharacteristics(const hidl_vec<uint8_t>& keyBlob,
+                                       const hidl_vec<uint8_t>& clientId,
+                                       const hidl_vec<uint8_t>& appData,
+                                       getKeyCharacteristics_cb _hidl_cb) override;
+    Return<void> importKey(const hidl_vec<KeyParameter>& params, KeyFormat keyFormat,
+                           const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) override;
+    Return<void> exportKey(KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob,
+                           const hidl_vec<uint8_t>& clientId, const hidl_vec<uint8_t>& appData,
+                           exportKey_cb _hidl_cb) override;
+    Return<void> attestKey(const hidl_vec<uint8_t>& keyToAttest,
+                           const hidl_vec<KeyParameter>& attestParams,
+                           attestKey_cb _hidl_cb) override;
+    Return<void> upgradeKey(const hidl_vec<uint8_t>& keyBlobToUpgrade,
+                            const hidl_vec<KeyParameter>& upgradeParams,
+                            upgradeKey_cb _hidl_cb) override;
+    Return<ErrorCode> deleteKey(const hidl_vec<uint8_t>& keyBlob) override;
+    Return<ErrorCode> deleteAllKeys() override;
+    Return<void> begin(KeyPurpose purpose, const hidl_vec<uint8_t>& key,
+                       const hidl_vec<KeyParameter>& inParams, begin_cb _hidl_cb) override;
+    Return<void> update(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams,
+                        const hidl_vec<uint8_t>& input, update_cb _hidl_cb) override;
+    Return<void> finish(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams,
+                        const hidl_vec<uint8_t>& input, const hidl_vec<uint8_t>& signature,
+                        finish_cb _hidl_cb) override;
+    Return<ErrorCode> abort(uint64_t operationHandle) override;
+
+  private:
+    keymaster2_device_t* keymaster_device_;
+    uint32_t hardware_version_;
+    bool hardware_supports_ec_;
+};
+
+extern "C" IKeymasterDevice* HIDL_FETCH_IKeymasterDevice(const char* name);
+
+}  // namespace implementation
+}  // namespace V3_0
+}  // namespace keymaster
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_keymaster_V3_0_KeymasterDevice_H_