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merge bitcoin#19286: Add fuzzing harness for CHash{160,256}, C{HMAC_,}SHA{1,256,512}, CRIPEMD160, CSipHasher, etc.
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@ -36,6 +36,7 @@ FUZZ_TARGETS = \
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test/fuzz/checkqueue \
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test/fuzz/coins_deserialize \
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test/fuzz/coins_view \
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test/fuzz/crypto \
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test/fuzz/crypto_common \
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test/fuzz/cuckoocache \
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test/fuzz/decode_tx \
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@ -489,6 +490,12 @@ test_fuzz_coins_view_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_coins_view_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_coins_view_SOURCES = $(FUZZ_SUITE) test/fuzz/coins_view.cpp
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test_fuzz_crypto_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
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test_fuzz_crypto_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_crypto_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_crypto_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_crypto_SOURCES = $(FUZZ_SUITE) test/fuzz/crypto.cpp
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test_fuzz_crypto_common_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
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test_fuzz_crypto_common_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_crypto_common_LDADD = $(FUZZ_SUITE_LD_COMMON)
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123
src/test/fuzz/crypto.cpp
Normal file
123
src/test/fuzz/crypto.cpp
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@ -0,0 +1,123 @@
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// Copyright (c) 2020 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/hmac_sha256.h>
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#include <crypto/hmac_sha512.h>
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#include <crypto/ripemd160.h>
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#include <crypto/sha1.h>
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#include <crypto/sha256.h>
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#include <crypto/sha512.h>
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#include <hash.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 <cstdint>
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#include <vector>
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void test_one_input(const std::vector<uint8_t>& buffer)
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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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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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CHash160 hash160;
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CHash256 hash256;
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CHMAC_SHA256 hmac_sha256{data.data(), data.size()};
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CHMAC_SHA512 hmac_sha512{data.data(), data.size()};
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CRIPEMD160 ripemd160;
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CSHA1 sha1;
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CSHA256 sha256;
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CSHA512 sha512;
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CSipHasher sip_hasher{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>()};
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while (fuzzed_data_provider.ConsumeBool()) {
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switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 2)) {
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case 0: {
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if (fuzzed_data_provider.ConsumeBool()) {
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data = 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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}
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(void)hash160.Write(data);
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(void)hash256.Write(data);
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(void)hmac_sha256.Write(data.data(), data.size());
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(void)hmac_sha512.Write(data.data(), data.size());
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(void)ripemd160.Write(data.data(), data.size());
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(void)sha1.Write(data.data(), data.size());
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(void)sha256.Write(data.data(), data.size());
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(void)sha512.Write(data.data(), data.size());
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(void)sip_hasher.Write(data.data(), data.size());
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(void)Hash160(data);
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(void)Hash160(data.begin(), data.end());
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(void)sha512.Size();
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break;
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}
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case 1: {
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(void)hash160.Reset();
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(void)hash256.Reset();
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(void)ripemd160.Reset();
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(void)sha1.Reset();
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(void)sha256.Reset();
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(void)sha512.Reset();
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break;
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}
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case 2: {
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switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 8)) {
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case 0: {
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data.resize(CHash160::OUTPUT_SIZE);
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hash160.Finalize(data);
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break;
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}
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case 1: {
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data.resize(CHash256::OUTPUT_SIZE);
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hash256.Finalize(data);
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break;
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}
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case 2: {
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data.resize(CHMAC_SHA256::OUTPUT_SIZE);
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hmac_sha256.Finalize(data.data());
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break;
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}
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case 3: {
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data.resize(CHMAC_SHA512::OUTPUT_SIZE);
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hmac_sha512.Finalize(data.data());
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break;
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}
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case 4: {
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data.resize(CRIPEMD160::OUTPUT_SIZE);
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ripemd160.Finalize(data.data());
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break;
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}
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case 5: {
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data.resize(CSHA1::OUTPUT_SIZE);
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sha1.Finalize(data.data());
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break;
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}
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case 6: {
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data.resize(CSHA256::OUTPUT_SIZE);
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sha256.Finalize(data.data());
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break;
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}
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case 7: {
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data.resize(CSHA512::OUTPUT_SIZE);
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sha512.Finalize(data.data());
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break;
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}
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case 8: {
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data.resize(1);
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data[0] = sip_hasher.Finalize() % 256;
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break;
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}
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}
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break;
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}
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}
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}
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}
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