diff options
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/test/fuzz/crypto_chacha20.cpp | 50 |
2 files changed, 57 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 4ec5315d71..91aa6175b4 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -35,6 +35,7 @@ FUZZ_TARGETS = \ test/fuzz/crypto \ test/fuzz/crypto_aes256 \ test/fuzz/crypto_aes256cbc \ + test/fuzz/crypto_chacha20 \ test/fuzz/crypto_common \ test/fuzz/crypto_hkdf_hmac_sha256_l32 \ test/fuzz/crypto_poly1305 \ @@ -502,6 +503,12 @@ test_fuzz_crypto_aes256cbc_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_crypto_aes256cbc_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_crypto_aes256cbc_SOURCES = test/fuzz/crypto_aes256cbc.cpp +test_fuzz_crypto_chacha20_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_crypto_chacha20_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_crypto_chacha20_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_crypto_chacha20_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_crypto_chacha20_SOURCES = test/fuzz/crypto_chacha20.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) diff --git a/src/test/fuzz/crypto_chacha20.cpp b/src/test/fuzz/crypto_chacha20.cpp new file mode 100644 index 0000000000..b7438d312d --- /dev/null +++ b/src/test/fuzz/crypto_chacha20.cpp @@ -0,0 +1,50 @@ +// 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/chacha20.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <cstdint> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()}; + + ChaCha20 chacha20; + if (fuzzed_data_provider.ConsumeBool()) { + const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32)); + chacha20 = ChaCha20{key.data(), key.size()}; + } + while (fuzzed_data_provider.ConsumeBool()) { + switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 4)) { + case 0: { + const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32)); + chacha20.SetKey(key.data(), key.size()); + break; + } + case 1: { + chacha20.SetIV(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + break; + } + case 2: { + chacha20.Seek(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + break; + } + case 3: { + std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + chacha20.Keystream(output.data(), output.size()); + break; + } + case 4: { + std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + const std::vector<uint8_t> input = ConsumeFixedLengthByteVector(fuzzed_data_provider, output.size()); + chacha20.Crypt(input.data(), output.data(), input.size()); + break; + } + } + } +} |