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/*
* Copyright 2021 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 <cppbor_parse.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <keymaster/android_keymaster_utils.h>
#include <keymaster/logger.h>
#include <keymaster/remote_provisioning_utils.h>
#include <openssl/curve25519.h>
#include <remote_prov/remote_prov_utils.h>
#include <cstdint>
#include "keymaster/cppcose/cppcose.h"
namespace aidl::android::hardware::security::keymint::remote_prov {
namespace {
using ::keymaster::KeymasterBlob;
using ::keymaster::validateAndExtractEekPubAndId;
using ::testing::ElementsAreArray;
TEST(RemoteProvUtilsTest, GenerateEekChainInvalidLength) {
ASSERT_FALSE(generateEekChain(1, /*eekId=*/{}));
}
TEST(RemoteProvUtilsTest, GenerateEekChain) {
bytevec kTestEekId = {'t', 'e', 's', 't', 'I', 'd', 0};
for (size_t length : {2, 3, 31}) {
auto get_eek_result = generateEekChain(length, kTestEekId);
ASSERT_TRUE(get_eek_result) << get_eek_result.message();
auto& [chain, pubkey, privkey] = *get_eek_result;
auto validation_result = validateAndExtractEekPubAndId(
/*testMode=*/true, KeymasterBlob(chain.data(), chain.size()));
ASSERT_TRUE(validation_result.isOk());
auto& [eekPub, eekId] = *validation_result;
EXPECT_THAT(eekId, ElementsAreArray(kTestEekId));
EXPECT_THAT(eekPub, ElementsAreArray(pubkey));
}
}
TEST(RemoteProvUtilsTest, GetProdEekChain) {
auto chain = getProdEekChain();
auto validation_result = validateAndExtractEekPubAndId(
/*testMode=*/false, KeymasterBlob(chain.data(), chain.size()));
ASSERT_TRUE(validation_result.isOk()) << "Error: " << validation_result.moveError();
auto& [eekPub, eekId] = *validation_result;
auto [geekCert, ignoredNewPos, error] =
cppbor::parse(kCoseEncodedGeekCert, sizeof(kCoseEncodedGeekCert));
ASSERT_NE(geekCert, nullptr) << "Error: " << error;
ASSERT_NE(geekCert->asArray(), nullptr);
auto& encodedGeekCoseKey = geekCert->asArray()->get(kCoseSign1Payload);
ASSERT_NE(encodedGeekCoseKey, nullptr);
ASSERT_NE(encodedGeekCoseKey->asBstr(), nullptr);
auto geek = CoseKey::parse(encodedGeekCoseKey->asBstr()->value());
ASSERT_TRUE(geek) << "Error: " << geek.message();
const std::vector<uint8_t> empty;
EXPECT_THAT(eekId, ElementsAreArray(geek->getBstrValue(CoseKey::KEY_ID).value_or(empty)));
EXPECT_THAT(eekPub, ElementsAreArray(geek->getBstrValue(CoseKey::PUBKEY_X).value_or(empty)));
}
} // namespace
} // namespace aidl::android::hardware::security::keymint::remote_prov
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