ConfirmationUI reference implementation

This reference implementation implements the core
logic of the confirmation provider including the
cryptographic operations. For a full implementation
a user interface and a few policy checks are missing.

Bug: 63928580
Test: VtsHalConfirmationUIV1_0TargetTest
Change-Id: I22ca138ed612979223f8e83792b525a31709e0fe

1 files changed, 66 insertions, 0 deletions

diff --git a/confirmationui/1.0/default/ConfirmationUI.cpp b/confirmationui/1.0/default/ConfirmationUI.cpp
new file mode 100644
index 0000000000..f241a76096
--- /dev/null
+++ b/confirmationui/1.0/default/ConfirmationUI.cpp
@@ -0,0 +1,66 @@
+/*
+**
+** Copyright 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.
+*/
+
+#include "ConfirmationUI.h"
+
+#include "PlatformSpecifics.h"
+
+#include <android/hardware/confirmationui/support/cbor.h>
+#include <android/hardware/confirmationui/support/confirmationui_utils.h>
+
+#include <android/hardware/confirmationui/1.0/generic/GenericOperation.h>
+
+#include <time.h>
+
+namespace android {
+namespace hardware {
+namespace confirmationui {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::confirmationui::V1_0::generic::Operation;
+using ::android::hardware::keymaster::V4_0::HardwareAuthToken;
+
+uint8_t hmacKey[32];
+
+// Methods from ::android::hardware::confirmationui::V1_0::IConfirmationUI follow.
+Return<ResponseCode> ConfirmationUI::promptUserConfirmation(
+    const sp<IConfirmationResultCallback>& resultCB, const hidl_string& promptText,
+    const hidl_vec<uint8_t>& extraData, const hidl_string& locale,
+    const hidl_vec<UIOption>& uiOptions) {
+    auto& operation = MyOperation::get();
+    return operation.init(resultCB, promptText, extraData, locale, uiOptions);
+}
+
+Return<ResponseCode> ConfirmationUI::deliverSecureInputEvent(
+    const HardwareAuthToken& secureInputToken) {
+    auto& operation = MyOperation::get();
+    return operation.deliverSecureInputEvent(secureInputToken);
+}
+
+Return<void> ConfirmationUI::abort() {
+    auto& operation = MyOperation::get();
+    operation.abort();
+    operation.finalize(hmacKey);
+    return Void();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace confirmationui
+}  // namespace hardware
+}  // namespace android