diff --git a/gatekeeper/1.0/software/SoftGateKeeperDevice.cpp b/gatekeeper/1.0/software/SoftGateKeeperDevice.cpp
new file mode 100644
index 0000000..d7a0b46
--- /dev/null
+++ b/gatekeeper/1.0/software/SoftGateKeeperDevice.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include "SoftGateKeeperDevice.h"
+#include "SoftGateKeeper.h"
+
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::gatekeeper::V1_0::GatekeeperStatusCode;
+using ::gatekeeper::EnrollRequest;
+using ::gatekeeper::EnrollResponse;
+using ::gatekeeper::ERROR_INVALID;
+using ::gatekeeper::ERROR_MEMORY_ALLOCATION_FAILED;
+using ::gatekeeper::ERROR_NONE;
+using ::gatekeeper::ERROR_RETRY;
+using ::gatekeeper::SizedBuffer;
+using ::gatekeeper::VerifyRequest;
+using ::gatekeeper::VerifyResponse;
+
+#include <limits>
+
+namespace android {
+
+inline SizedBuffer hidl_vec2sized_buffer(const hidl_vec<uint8_t>& vec) {
+    if (vec.size() == 0 || vec.size() > std::numeric_limits<uint32_t>::max()) return {};
+    auto dummy = new uint8_t[vec.size()];
+    std::copy(vec.begin(), vec.end(), dummy);
+    return {dummy, static_cast<uint32_t>(vec.size())};
+}
+
+Return<void> SoftGateKeeperDevice::enroll(uint32_t uid,
+                                          const hidl_vec<uint8_t>& currentPasswordHandle,
+                                          const hidl_vec<uint8_t>& currentPassword,
+                                          const hidl_vec<uint8_t>& desiredPassword,
+                                          enroll_cb _hidl_cb) {
+    if (desiredPassword.size() == 0) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+        return {};
+    }
+
+    EnrollRequest request(uid, hidl_vec2sized_buffer(currentPasswordHandle),
+                          hidl_vec2sized_buffer(desiredPassword),
+                          hidl_vec2sized_buffer(currentPassword));
+    EnrollResponse response;
+    impl_->Enroll(request, &response);
+
+    if (response.error == ERROR_RETRY) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
+    } else if (response.error != ERROR_NONE) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+    } else {
+        hidl_vec<uint8_t> new_handle(response.enrolled_password_handle.Data<uint8_t>(),
+                                     response.enrolled_password_handle.Data<uint8_t>() +
+                                             response.enrolled_password_handle.size());
+        _hidl_cb({GatekeeperStatusCode::STATUS_OK, response.retry_timeout, new_handle});
+    }
+    return {};
+}
+
+Return<void> SoftGateKeeperDevice::verify(
+        uint32_t uid, uint64_t challenge,
+        const ::android::hardware::hidl_vec<uint8_t>& enrolledPasswordHandle,
+        const ::android::hardware::hidl_vec<uint8_t>& providedPassword, verify_cb _hidl_cb) {
+    if (enrolledPasswordHandle.size() == 0) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+        return {};
+    }
+
+    VerifyRequest request(uid, challenge, hidl_vec2sized_buffer(enrolledPasswordHandle),
+                          hidl_vec2sized_buffer(providedPassword));
+    VerifyResponse response;
+
+    impl_->Verify(request, &response);
+
+    if (response.error == ERROR_RETRY) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
+    } else if (response.error != ERROR_NONE) {
+        _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+    } else {
+        hidl_vec<uint8_t> auth_token(
+                response.auth_token.Data<uint8_t>(),
+                response.auth_token.Data<uint8_t>() + response.auth_token.size());
+
+        _hidl_cb({response.request_reenroll ? GatekeeperStatusCode::STATUS_REENROLL
+                                            : GatekeeperStatusCode::STATUS_OK,
+                  response.retry_timeout, auth_token});
+    }
+    return {};
+}
+
+Return<void> SoftGateKeeperDevice::deleteUser(uint32_t /*uid*/, deleteUser_cb _hidl_cb) {
+    _hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
+    return {};
+}
+
+Return<void> SoftGateKeeperDevice::deleteAllUsers(deleteAllUsers_cb _hidl_cb) {
+    _hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
+    return {};
+}
+
+}  // namespace android