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-BEGIN VERIFY SCRIPT- # Rename sed -i -e 's/MakeFuzzingContext/MakeNoLogFileContext/g' $(git grep -l MakeFuzzingContext) # Bump the copyright of touched files in this scripted diff to avoid touching them again later ./contrib/devtools/copyright_header.py update ./src/test/fuzz/ -END VERIFY SCRIPT-
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright (c) 2020-2021 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <crypto/muhash.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <vector>
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FUZZ_TARGET(muhash)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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std::vector<uint8_t> data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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std::vector<uint8_t> data2 = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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if (data.empty()) {
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data.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>());
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}
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if (data2.empty()) {
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data2.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>());
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}
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data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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data2 = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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MuHash3072 muhash;
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// Test that MuHash result is consistent independent of order of operations
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muhash.Insert(data);
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muhash.Insert(data2);
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uint256 out;
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muhash.Finalize(out);
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muhash = MuHash3072();
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muhash.Insert(data2);
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muhash.Insert(data);
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uint256 out2;
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muhash.Finalize(out2);
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assert(out == out2);
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MuHash3072 muhash3;
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muhash3 *= muhash;
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uint256 out3;
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muhash3.Finalize(out3);
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assert(out == out3);
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// Test that removing all added elements brings the object back to it's initial state
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muhash /= muhash;
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muhash.Finalize(out);
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MuHash3072 muhash2;
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muhash2.Finalize(out2);
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assert(out == out2);
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muhash3.Remove(data);
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muhash3.Remove(data2);
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muhash3.Finalize(out3);
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assert(out == out3);
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}
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