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92 lines
4.0 KiB
92 lines
4.0 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Keymaster4_1HidlTest.h"
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#include <keymasterV4_1/authorization_set.h>
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namespace android::hardware::keymaster::V4_1::test {
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using std::string;
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using EarlyBootKeyTest = Keymaster4_1HidlTest;
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// Because VTS tests are run on fully-booted machines, we can only run negative tests for early boot
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// keys, which cannot be created or used after /data is mounted. This is the only test we can run
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// in the normal case. The positive test will have to be done by the Android system, when it
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// creates/uses early boot keys during boot. It should fail to boot if the early boot key usage
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// fails.
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TEST_P(EarlyBootKeyTest, CannotCreateEarlyBootKeys) {
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auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] =
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CreateTestKeys(TAG_EARLY_BOOT_ONLY, ErrorCode::EARLY_BOOT_ENDED);
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CheckedDeleteKeyData(&aesKeyData);
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CheckedDeleteKeyData(&hmacKeyData);
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CheckedDeleteKeyData(&rsaKeyData);
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CheckedDeleteKeyData(&ecdsaKeyData);
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}
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// This is a more comprenhensive test, but it can only be run on a machine which is still in early
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// boot stage, which no proper Android device is by the time we can run VTS. To use this,
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// un-disable it and modify vold to remove the call to earlyBootEnded(). Running the test will end
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// early boot, so you'll have to reboot between runs.
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TEST_P(EarlyBootKeyTest, DISABLED_FullTest) {
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// Should be able to create keys, since early boot has not ended
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auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] =
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CreateTestKeys(TAG_EARLY_BOOT_ONLY, ErrorCode::OK);
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// TAG_EARLY_BOOT_ONLY should be in hw-enforced.
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EXPECT_TRUE(contains(aesKeyData.characteristics.hardwareEnforced, TAG_EARLY_BOOT_ONLY));
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EXPECT_TRUE(contains(hmacKeyData.characteristics.hardwareEnforced, TAG_EARLY_BOOT_ONLY));
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EXPECT_TRUE(contains(rsaKeyData.characteristics.hardwareEnforced, TAG_EARLY_BOOT_ONLY));
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EXPECT_TRUE(contains(ecdsaKeyData.characteristics.hardwareEnforced, TAG_EARLY_BOOT_ONLY));
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// Should be able to use keys, since early boot has not ended
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EXPECT_EQ(ErrorCode::OK, UseAesKey(aesKeyData.blob));
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EXPECT_EQ(ErrorCode::OK, UseHmacKey(hmacKeyData.blob));
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EXPECT_EQ(ErrorCode::OK, UseRsaKey(rsaKeyData.blob));
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EXPECT_EQ(ErrorCode::OK, UseEcdsaKey(ecdsaKeyData.blob));
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// End early boot
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Return<ErrorCode> earlyBootResult = keymaster().earlyBootEnded();
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EXPECT_TRUE(earlyBootResult.isOk());
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EXPECT_EQ(earlyBootResult, ErrorCode::OK);
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// Should not be able to use already-created keys.
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EXPECT_EQ(ErrorCode::EARLY_BOOT_ENDED, UseAesKey(aesKeyData.blob));
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EXPECT_EQ(ErrorCode::EARLY_BOOT_ENDED, UseHmacKey(hmacKeyData.blob));
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EXPECT_EQ(ErrorCode::EARLY_BOOT_ENDED, UseRsaKey(rsaKeyData.blob));
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EXPECT_EQ(ErrorCode::EARLY_BOOT_ENDED, UseEcdsaKey(ecdsaKeyData.blob));
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CheckedDeleteKeyData(&aesKeyData);
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CheckedDeleteKeyData(&hmacKeyData);
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CheckedDeleteKeyData(&rsaKeyData);
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CheckedDeleteKeyData(&ecdsaKeyData);
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// Should not be able to create new keys
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std::tie(aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData) =
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CreateTestKeys(TAG_EARLY_BOOT_ONLY, ErrorCode::EARLY_BOOT_ENDED);
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CheckedDeleteKeyData(&aesKeyData);
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CheckedDeleteKeyData(&hmacKeyData);
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CheckedDeleteKeyData(&rsaKeyData);
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CheckedDeleteKeyData(&ecdsaKeyData);
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}
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INSTANTIATE_KEYMASTER_4_1_HIDL_TEST(EarlyBootKeyTest);
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} // namespace android::hardware::keymaster::V4_1::test
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