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tests: Add fuzzing harness for poly1305_auth(...)

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practicalswift 2020-06-17 09:47:42 +00:00
parent 4cee53bba7
commit ec86ca1aaa
2 changed files with 29 additions and 0 deletions
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7
src/Makefile.test.include
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@ -36,6 +36,7 @@ FUZZ_TARGETS = \
test/fuzz/crypto_aes256 \
test/fuzz/crypto_aes256cbc \
test/fuzz/crypto_common \
test/fuzz/crypto_poly1305 \
test/fuzz/cuckoocache \
test/fuzz/decode_tx \
test/fuzz/descriptor_parse \
@ -506,6 +507,12 @@ 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_crypto_poly1305_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_crypto_poly1305_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_crypto_poly1305_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_crypto_poly1305_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_crypto_poly1305_SOURCES = test/fuzz/crypto_poly1305.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)

22
src/test/fuzz/crypto_poly1305.cpp Normal file
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@ -0,0 +1,22 @@
// 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/poly1305.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()};
const std::vector<uint8_t> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, POLY1305_KEYLEN);
const std::vector<uint8_t> in = ConsumeRandomLengthByteVector(fuzzed_data_provider);
std::vector<uint8_t> tag_out(POLY1305_TAGLEN);
poly1305_auth(tag_out.data(), in.data(), in.size(), key.data());
}