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/*
* Copyright (C) 2019 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 "Keymaster4_1HidlTest.h"
#include <keymasterV4_1/authorization_set.h>
namespace android::hardware::keymaster::V4_1::test {
using UnlockedDeviceRequiredTest = Keymaster4_1HidlTest;
// This may be a problematic test. It can't be run repeatedly without unlocking the device in
// between runs... and on most test devices there are no enrolled credentials so it can't be
// unlocked at all, meaning the only way to get the test to pass again on a properly-functioning
// device is to reboot it. For that reason, this is disabled by default. It can be used as part of
// a manual test process, which includes unlocking between runs, which is why it's included here.
// Well, that and the fact that it's the only test we can do without also making calls into the
// Gatekeeper HAL. We haven't written any cross-HAL tests, and don't know what all of the
// implications might be, so that may or may not be a solution.
//
// TODO(swillden): Use the Gatekeeper HAL to enroll some test credentials which we can verify to get
// an unlock auth token. If that works, enable the improved test.
TEST_P(UnlockedDeviceRequiredTest, DISABLED_KeysBecomeUnusable) {
auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] =
CreateTestKeys(TAG_UNLOCKED_DEVICE_REQUIRED, ErrorCode::OK);
EXPECT_EQ(ErrorCode::OK, UseAesKey(aesKeyData.blob));
EXPECT_EQ(ErrorCode::OK, UseHmacKey(hmacKeyData.blob));
EXPECT_EQ(ErrorCode::OK, UseRsaKey(rsaKeyData.blob));
EXPECT_EQ(ErrorCode::OK, UseEcdsaKey(ecdsaKeyData.blob));
Return<ErrorCode> rc =
keymaster().deviceLocked(false /* passwordOnly */, {} /* verificationToken */);
ASSERT_TRUE(rc.isOk());
ASSERT_EQ(ErrorCode::OK, static_cast<ErrorCode>(rc));
EXPECT_EQ(ErrorCode::DEVICE_LOCKED, UseAesKey(aesKeyData.blob));
EXPECT_EQ(ErrorCode::DEVICE_LOCKED, UseHmacKey(hmacKeyData.blob));
EXPECT_EQ(ErrorCode::DEVICE_LOCKED, UseRsaKey(rsaKeyData.blob));
EXPECT_EQ(ErrorCode::DEVICE_LOCKED, UseEcdsaKey(ecdsaKeyData.blob));
CheckedDeleteKeyData(&aesKeyData);
CheckedDeleteKeyData(&hmacKeyData);
CheckedDeleteKeyData(&rsaKeyData);
CheckedDeleteKeyData(&ecdsaKeyData);
}
INSTANTIATE_KEYMASTER_4_1_HIDL_TEST(UnlockedDeviceRequiredTest);
} // namespace android::hardware::keymaster::V4_1::test
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