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author | practicalswift <practicalswift@users.noreply.github.com> | 2020-06-11 12:41:54 +0000 |
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committer | practicalswift <practicalswift@users.noreply.github.com> | 2020-06-11 14:05:54 +0000 |
commit | cf5b8f64b3fef053035fa11231601b79bfa53aff (patch) | |
tree | 5844fc9acca77223c9654397e0e27bfb7cd53115 | |
parent | 4a8181b303218683d014e8e79a172ea8ccccc4dd (diff) | |
download | bitcoin-cf5b8f64b3fef053035fa11231601b79bfa53aff.tar.xz |
tests: Add fuzzing harness for {Read,Write}{LE,BE}{16,32,64} (crypto/common.h)
-rw-r--r-- | src/Makefile.test.include | 7 | ||||
-rw-r--r-- | src/test/fuzz/crypto_common.cpp | 70 |
2 files changed, 77 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 7909cb4a0f..03cd9133c8 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -32,6 +32,7 @@ FUZZ_TARGETS = \ test/fuzz/checkqueue \ test/fuzz/coins_deserialize \ test/fuzz/coins_view \ + test/fuzz/crypto_common \ test/fuzz/cuckoocache \ test/fuzz/decode_tx \ test/fuzz/descriptor_parse \ @@ -478,6 +479,12 @@ test_fuzz_coins_view_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_coins_view_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_coins_view_SOURCES = test/fuzz/coins_view.cpp +test_fuzz_crypto_common_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_crypto_common_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_crypto_common_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_crypto_common_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_crypto_common_SOURCES = test/fuzz/crypto_common.cpp + test_fuzz_cuckoocache_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) test_fuzz_cuckoocache_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_cuckoocache_LDADD = $(FUZZ_SUITE_LD_COMMON) diff --git a/src/test/fuzz/crypto_common.cpp b/src/test/fuzz/crypto_common.cpp new file mode 100644 index 0000000000..7ccb125216 --- /dev/null +++ b/src/test/fuzz/crypto_common.cpp @@ -0,0 +1,70 @@ +// Copyright (c) 2020 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <crypto/common.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <array> +#include <cassert> +#include <cstdint> +#include <cstring> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()}; + const uint16_t random_u16 = fuzzed_data_provider.ConsumeIntegral<uint16_t>(); + const uint32_t random_u32 = fuzzed_data_provider.ConsumeIntegral<uint32_t>(); + const uint64_t random_u64 = fuzzed_data_provider.ConsumeIntegral<uint64_t>(); + const std::vector<uint8_t> random_bytes_2 = ConsumeFixedLengthByteVector(fuzzed_data_provider, 2); + const std::vector<uint8_t> random_bytes_4 = ConsumeFixedLengthByteVector(fuzzed_data_provider, 4); + const std::vector<uint8_t> random_bytes_8 = ConsumeFixedLengthByteVector(fuzzed_data_provider, 8); + + std::array<uint8_t, 2> writele16_arr; + WriteLE16(writele16_arr.data(), random_u16); + assert(ReadLE16(writele16_arr.data()) == random_u16); + + std::array<uint8_t, 4> writele32_arr; + WriteLE32(writele32_arr.data(), random_u32); + assert(ReadLE32(writele32_arr.data()) == random_u32); + + std::array<uint8_t, 8> writele64_arr; + WriteLE64(writele64_arr.data(), random_u64); + assert(ReadLE64(writele64_arr.data()) == random_u64); + + std::array<uint8_t, 4> writebe32_arr; + WriteBE32(writebe32_arr.data(), random_u32); + assert(ReadBE32(writebe32_arr.data()) == random_u32); + + std::array<uint8_t, 8> writebe64_arr; + WriteBE64(writebe64_arr.data(), random_u64); + assert(ReadBE64(writebe64_arr.data()) == random_u64); + + const uint16_t readle16_result = ReadLE16(random_bytes_2.data()); + std::array<uint8_t, 2> readle16_arr; + WriteLE16(readle16_arr.data(), readle16_result); + assert(std::memcmp(random_bytes_2.data(), readle16_arr.data(), 2) == 0); + + const uint32_t readle32_result = ReadLE32(random_bytes_4.data()); + std::array<uint8_t, 4> readle32_arr; + WriteLE32(readle32_arr.data(), readle32_result); + assert(std::memcmp(random_bytes_4.data(), readle32_arr.data(), 4) == 0); + + const uint64_t readle64_result = ReadLE64(random_bytes_8.data()); + std::array<uint8_t, 8> readle64_arr; + WriteLE64(readle64_arr.data(), readle64_result); + assert(std::memcmp(random_bytes_8.data(), readle64_arr.data(), 8) == 0); + + const uint32_t readbe32_result = ReadBE32(random_bytes_4.data()); + std::array<uint8_t, 4> readbe32_arr; + WriteBE32(readbe32_arr.data(), readbe32_result); + assert(std::memcmp(random_bytes_4.data(), readbe32_arr.data(), 4) == 0); + + const uint64_t readbe64_result = ReadBE64(random_bytes_8.data()); + std::array<uint8_t, 8> readbe64_arr; + WriteBE64(readbe64_arr.data(), readbe64_result); + assert(std::memcmp(random_bytes_8.data(), readbe64_arr.data(), 8) == 0); +} |