diff --git a/confirmationui/1.0/vts/OWNERS b/confirmationui/1.0/vts/OWNERS
new file mode 100644
index 0000000..e7aa8b4
--- /dev/null
+++ b/confirmationui/1.0/vts/OWNERS
@@ -0,0 +1,3 @@
+jdanis@google.com
+swillden@google.com
+yim@google.com
diff --git a/confirmationui/1.0/vts/functional/Android.bp b/confirmationui/1.0/vts/functional/Android.bp
new file mode 100644
index 0000000..823e035
--- /dev/null
+++ b/confirmationui/1.0/vts/functional/Android.bp
@@ -0,0 +1,30 @@
+//
+// Copyright (C) 2018 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.
+//
+
+cc_test {
+    name: "VtsHalConfirmationUIV1_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "VtsHalConfirmationUIV1_0TargetTest.cpp",
+    ],
+    static_libs: [
+        "android.hardware.confirmationui@1.0",
+        "android.hardware.keymaster@4.0",
+        "libcrypto",
+        "libcn-cbor",
+        "android.hardware.confirmationui-support-lib",
+    ],
+}
diff --git a/confirmationui/1.0/vts/functional/VtsHalConfirmationUIV1_0TargetTest.cpp b/confirmationui/1.0/vts/functional/VtsHalConfirmationUIV1_0TargetTest.cpp
new file mode 100644
index 0000000..463bb40
--- /dev/null
+++ b/confirmationui/1.0/vts/functional/VtsHalConfirmationUIV1_0TargetTest.cpp
@@ -0,0 +1,428 @@
+/*
+ * Copyright (C) 2018 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_TAG "ConfirmationIOHidlHalTest"
+#include <cutils/log.h>
+
+#include <algorithm>
+#include <iostream>
+#include <memory>
+
+#include <android/hardware/confirmationui/1.0/IConfirmationResultCallback.h>
+#include <android/hardware/confirmationui/1.0/IConfirmationUI.h>
+#include <android/hardware/confirmationui/1.0/types.h>
+#include <android/hardware/confirmationui/support/confirmationui_utils.h>
+
+#include <VtsHalHidlTargetCallbackBase.h>
+#include <VtsHalHidlTargetTestBase.h>
+
+#include <openssl/hmac.h>
+#include <openssl/sha.h>
+
+#include <cn-cbor/cn-cbor.h>
+
+using ::android::sp;
+
+using ::std::string;
+
+namespace android {
+namespace hardware {
+
+namespace confirmationui {
+namespace V1_0 {
+
+namespace test {
+namespace {
+class HMacImplementation {
+   public:
+    static support::NullOr<support::array<uint8_t, 32>> hmac256(
+        const uint8_t key[32], std::initializer_list<support::ByteBufferProxy> buffers) {
+        HMAC_CTX hmacCtx;
+        HMAC_CTX_init(&hmacCtx);
+        if (!HMAC_Init_ex(&hmacCtx, key, 32, EVP_sha256(), nullptr)) {
+            return {};
+        }
+        for (auto& buffer : buffers) {
+            if (!HMAC_Update(&hmacCtx, buffer.data(), buffer.size())) {
+                return {};
+            }
+        }
+        support::array<uint8_t, 32> result;
+        if (!HMAC_Final(&hmacCtx, result.data(), nullptr)) {
+            return {};
+        }
+        return result;
+    }
+};
+
+using HMacer = support::HMac<HMacImplementation>;
+
+constexpr uint8_t testKeyByte = static_cast<uint8_t>(TestKeyBits::BYTE);
+
+template <typename... Data>
+hidl_vec<uint8_t> testHMAC(const Data&... data) {
+    constexpr uint8_t testKey[32] = {testKeyByte, testKeyByte, testKeyByte, testKeyByte,
+                                     testKeyByte, testKeyByte, testKeyByte, testKeyByte,
+                                     testKeyByte, testKeyByte, testKeyByte, testKeyByte,
+                                     testKeyByte, testKeyByte, testKeyByte, testKeyByte};
+    constexpr uint8_t hmac_size_bytes = sizeof testKey;
+
+    auto hmac = HMacer::hmac256(testKey, data...);
+    if (!hmac.isOk()) {
+        EXPECT_TRUE(false) << "Failed to compute test hmac.  This is a self-test error.";
+        return {};
+    }
+    hidl_vec<uint8_t> result(hmac_size_bytes);
+    copy(hmac.value().data(), hmac.value().data() + hmac_size_bytes, result.data());
+    return result;
+}
+
+using ::android::hardware::keymaster::V4_0::HardwareAuthToken;
+using ::android::hardware::keymaster::V4_0::HardwareAuthenticatorType;
+
+template <typename T>
+auto toBytes(const T& v) -> const uint8_t (&)[sizeof(T)] {
+    return *reinterpret_cast<const uint8_t(*)[sizeof(T)]>(&v);
+}
+
+HardwareAuthToken makeTestToken(const TestModeCommands command, uint64_t timestamp = 0) {
+    HardwareAuthToken auth_token;
+    auth_token.challenge = static_cast<uint64_t>(command);
+    auth_token.userId = 0;
+    auth_token.authenticatorId = 0;
+    auth_token.authenticatorType = HardwareAuthenticatorType::NONE;
+    auth_token.timestamp = timestamp;
+
+    // Canonical form  of auth-token v0
+    // version (1 byte)
+    // challenge (8 bytes)
+    // user_id (8 bytes)
+    // authenticator_id (8 bytes)
+    // authenticator_type (4 bytes)
+    // timestamp (8 bytes)
+    // total 37 bytes
+    auth_token.mac = testHMAC("\0",
+                              toBytes(auth_token.challenge),                         //
+                              toBytes(auth_token.userId),                            //
+                              toBytes(auth_token.authenticatorId),                   //
+                              toBytes(support::hton(auth_token.authenticatorType)),  //
+                              toBytes(support::hton(auth_token.timestamp)));         //
+
+    return auth_token;
+}
+
+#define DEBUG_CONFRIMATIONUI_UTILS_TEST
+
+#ifdef DEBUG_CONFRIMATIONUI_UTILS_TEST
+std::ostream& hexdump(std::ostream& out, const uint8_t* data, size_t size) {
+    for (size_t i = 0; i < size; ++i) {
+        uint8_t byte = data[i];
+        out << std::hex << std::setw(2) << std::setfill('0') << (unsigned)byte;
+        switch (i & 0xf) {
+            case 0xf:
+                out << "\n";
+                break;
+            case 7:
+                out << "  ";
+                break;
+            default:
+                out << " ";
+                break;
+        }
+    }
+    return out;
+}
+#endif
+
+constexpr char hex_value[256] = {0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 1,  2,  3,  4,  5,  6,  7, 8, 9, 0, 0, 0, 0, 0, 0,  // '0'..'9'
+                                 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0,  // 'A'..'F'
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0,  // 'a'..'f'
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0,  //
+                                 0, 0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+std::string hex2str(std::string a) {
+    std::string b;
+    size_t num = a.size() / 2;
+    b.resize(num);
+    for (size_t i = 0; i < num; i++) {
+        b[i] = (hex_value[a[i * 2] & 0xFF] << 4) + (hex_value[a[i * 2 + 1] & 0xFF]);
+    }
+    return b;
+}
+
+}  // namespace
+
+class ConfirmationArgs {
+   public:
+    ResponseCode error_;
+    hidl_vec<uint8_t> formattedMessage_;
+    hidl_vec<uint8_t> confirmationToken_;
+    bool verifyConfirmationToken() {
+        static constexpr char confirmationPrefix[] = "confirmation token";
+        EXPECT_EQ(32U, confirmationToken_.size());
+        return 32U == confirmationToken_.size() &&
+               !memcmp(confirmationToken_.data(),
+                       testHMAC(confirmationPrefix, formattedMessage_).data(), 32);
+    }
+};
+
+class ConfirmationTestCallback : public ::testing::VtsHalHidlTargetCallbackBase<ConfirmationArgs>,
+                                 public IConfirmationResultCallback {
+   public:
+    Return<void> result(ResponseCode error, const hidl_vec<uint8_t>& formattedMessage,
+                        const hidl_vec<uint8_t>& confirmationToken) override {
+        ConfirmationArgs args;
+        args.error_ = error;
+        args.formattedMessage_ = formattedMessage;
+        args.confirmationToken_ = confirmationToken;
+        NotifyFromCallback(args);
+        return Void();
+    }
+};
+
+class ConfirmationUIHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static ConfirmationUIHidlEnvironment* Instance() {
+        static ConfirmationUIHidlEnvironment* instance = new ConfirmationUIHidlEnvironment;
+        return instance;
+    }
+
+    void registerTestServices() override { registerTestService<IConfirmationUI>(); }
+
+   private:
+    ConfirmationUIHidlEnvironment(){};
+
+    GTEST_DISALLOW_COPY_AND_ASSIGN_(ConfirmationUIHidlEnvironment);
+};
+
+class ConfirmationUIHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+   public:
+    void TearDown() override { confirmator().abort(); }
+
+    static void SetUpTestCase() {
+        string service_name =
+            ConfirmationUIHidlEnvironment::Instance()->getServiceName<IConfirmationUI>();
+        confirmator_ = IConfirmationUI::getService(service_name);
+        ASSERT_NE(nullptr, confirmator_.get());
+    }
+
+    static void TearDownTestCase() { confirmator_.clear(); }
+
+    static IConfirmationUI& confirmator() { return *confirmator_; }
+
+   private:
+    static sp<IConfirmationUI> confirmator_;
+};
+
+sp<IConfirmationUI> ConfirmationUIHidlTest::confirmator_;
+
+#define ASSERT_HAL_CALL(expected, call)                               \
+    {                                                                 \
+        auto result = call;                                           \
+        ASSERT_TRUE(result.isOk());                                   \
+        ASSERT_EQ(expected, static_cast<decltype(expected)>(result)); \
+    }
+
+struct CnCborDeleter {
+    void operator()(cn_cbor* ptr) { cn_cbor_free(ptr); }
+};
+
+typedef std::unique_ptr<cn_cbor, CnCborDeleter> CnCborPtr;
+
+// Simulates the User taping Ok
+TEST_F(ConfirmationUIHidlTest, UserOkTest) {
+    static constexpr char test_prompt[] = "Me first, gimme gimme!";
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::OK,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+
+    ASSERT_HAL_CALL(ResponseCode::OK, confirmator().deliverSecureInputEvent(
+                                          makeTestToken(TestModeCommands::OK_EVENT)));
+
+    auto result = conf_cb->WaitForCallback();
+    ASSERT_EQ(ResponseCode::OK, result.args->error_);
+
+    ASSERT_TRUE(result.args->verifyConfirmationToken());
+
+    cn_cbor_errback cn_cbor_error;
+    auto parsed_message =
+        CnCborPtr(cn_cbor_decode(result.args->formattedMessage_.data(),
+                                 result.args->formattedMessage_.size(), &cn_cbor_error));
+    // is parsable CBOR
+    ASSERT_TRUE(parsed_message.get());
+    // is a map
+    ASSERT_EQ(CN_CBOR_MAP, parsed_message->type);
+
+    // the message must have exactly 2 key value pairs.
+    // cn_cbor holds 2*<no_of_pairs> in the length field
+    ASSERT_EQ(4, parsed_message->length);
+    // map has key "prompt"
+    auto prompt = cn_cbor_mapget_string(parsed_message.get(), "prompt");
+    ASSERT_TRUE(prompt);
+    ASSERT_EQ(CN_CBOR_TEXT, prompt->type);
+    ASSERT_EQ(22, prompt->length);
+    ASSERT_EQ(0, memcmp(test_prompt, prompt->v.str, 22));
+    // map has key "extra"
+    auto extra_out = cn_cbor_mapget_string(parsed_message.get(), "extra");
+    ASSERT_TRUE(extra_out);
+    ASSERT_EQ(CN_CBOR_BYTES, extra_out->type);
+    ASSERT_EQ(3, extra_out->length);
+    ASSERT_EQ(0, memcmp(test_extra, extra_out->v.bytes, 3));
+}
+
+// Initiates a confirmation prompt with a message that is too long
+TEST_F(ConfirmationUIHidlTest, MessageTooLongTest) {
+    static constexpr uint8_t test_extra[static_cast<uint32_t>(MessageSize::MAX)] = {};
+    static constexpr char test_prompt[] = "D\'oh!";
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + sizeof(test_extra));
+    ASSERT_HAL_CALL(ResponseCode::UIErrorMessageTooLong,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+}
+
+// If the message gets very long some HAL implementations might fail even before the message
+// reaches the trusted app implementation. But the HAL must still diagnose the correct error.
+TEST_F(ConfirmationUIHidlTest, MessageWayTooLongTest) {
+    static constexpr uint8_t test_extra[static_cast<uint32_t>(MessageSize::MAX) * 10] = {};
+    static constexpr char test_prompt[] = "D\'oh!";
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + sizeof(test_extra));
+    ASSERT_HAL_CALL(ResponseCode::UIErrorMessageTooLong,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+}
+
+// Simulates the User tapping the Cancel
+TEST_F(ConfirmationUIHidlTest, UserCancelTest) {
+    static constexpr char test_prompt[] = "Me first, gimme gimme!";
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::OK,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+
+    ASSERT_HAL_CALL(ResponseCode::OK, confirmator().deliverSecureInputEvent(
+                                          makeTestToken(TestModeCommands::CANCEL_EVENT)));
+
+    auto result = conf_cb->WaitForCallback();
+    ASSERT_EQ(ResponseCode::Canceled, result.args->error_);
+
+    ASSERT_EQ(0U, result.args->confirmationToken_.size());
+    ASSERT_EQ(0U, result.args->formattedMessage_.size());
+}
+
+// Simulates the framework candelling an ongoing prompt
+TEST_F(ConfirmationUIHidlTest, AbortTest) {
+    static constexpr char test_prompt[] = "Me first, gimme gimme!";
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::OK,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+
+    confirmator().abort();
+
+    auto result = conf_cb->WaitForCallback();
+    ASSERT_EQ(ResponseCode::Aborted, result.args->error_);
+    ASSERT_EQ(0U, result.args->confirmationToken_.size());
+    ASSERT_EQ(0U, result.args->formattedMessage_.size());
+}
+
+// Passing malformed UTF-8 to the confirmation UI
+// This test passes a string that ends in the middle of a multibyte character
+TEST_F(ConfirmationUIHidlTest, MalformedUTF8Test1) {
+    static constexpr char test_prompt[] = {char(0xc0), 0};
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::UIErrorMalformedUTF8Encoding,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+}
+
+// Passing malformed UTF-8 to the confirmation UI
+// This test passes a string with a 5-byte character.
+TEST_F(ConfirmationUIHidlTest, MalformedUTF8Test2) {
+    static constexpr char test_prompt[] = {char(0xf8), char(0x82), char(0x82),
+                                           char(0x82), char(0x82), 0};
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::UIErrorMalformedUTF8Encoding,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+}
+
+// Passing malformed UTF-8 to the confirmation UI
+// This test passes a string with a 2-byte character followed by a stray non UTF-8 character.
+TEST_F(ConfirmationUIHidlTest, MalformedUTF8Test3) {
+    static constexpr char test_prompt[] = {char(0xc0), char(0x82), char(0x83), 0};
+    static constexpr uint8_t test_extra[] = {0x1, 0x2, 0x3};
+    sp<ConfirmationTestCallback> conf_cb = new ConfirmationTestCallback;
+    hidl_string prompt_text(test_prompt);
+    hidl_vec<uint8_t> extra(test_extra, test_extra + 3);
+    ASSERT_HAL_CALL(ResponseCode::UIErrorMalformedUTF8Encoding,
+                    confirmator().promptUserConfirmation(conf_cb, prompt_text, extra, "en", {}));
+}
+
+// Test the implementation of HMAC SHA 256 against a golden blob.
+TEST(ConfirmationUITestSelfTest, HMAC256SelfTest) {
+    const char key_str[32] = "keykeykeykeykeykeykeykeykeykeyk";
+    const uint8_t(&key)[32] = *reinterpret_cast<const uint8_t(*)[32]>(key_str);
+    auto expected = hex2str("2377fbcaa7fb3f6c20cfa1d9ebc60e9922cf58c909e25e300f3cb57f7805c886");
+    auto result = HMacer::hmac256(key, "value1", "value2", "value3");
+
+#ifdef DEBUG_CONFRIMATIONUI_UTILS_TEST
+    hexdump(std::cout, reinterpret_cast<const uint8_t*>(expected.data()), 32) << std::endl;
+    hexdump(std::cout, result.value().data(), 32) << std::endl;
+#endif
+
+    support::ByteBufferProxy expected_bytes(expected);
+    ASSERT_TRUE(result.isOk());
+    ASSERT_EQ(expected, result.value());
+}
+
+}  // namespace test
+}  // namespace V1_0
+}  // namespace confirmationui
+}  // namespace hardware
+}  // namespace android
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    std::vector<std::string> positional_args;
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}