52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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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 <stdint.h>
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#include <random>
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#include <gtest/gtest.h>
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#include <HadamardUtils.h>
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using namespace aidl::android::hardware::rebootescrow::hadamard;
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class HadamardTest : public testing::Test {};
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static void AddError(std::vector<uint8_t>* data) {
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for (size_t i = 0; i < data->size(); i++) {
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for (size_t j = 0; j < BYTE_LENGTH; j++) {
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if (random() % 100 < 47) {
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(*data)[i] ^= (1 << j);
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}
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}
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}
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}
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TEST_F(HadamardTest, Decode_error_correction) {
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constexpr auto iteration = 10;
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for (int i = 0; i < iteration; i++) {
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std::vector<uint8_t> key;
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for (int j = 0; j < KEY_SIZE_IN_BYTES; j++) {
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key.emplace_back(random() & 0xff);
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}
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auto encoded = EncodeKey(key);
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ASSERT_EQ(64 * 1024, encoded.size());
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AddError(&encoded);
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auto decoded = DecodeKey(encoded);
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ASSERT_EQ(key, std::vector<uint8_t>(decoded.begin(), decoded.begin() + key.size()));
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}
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}
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