diff options
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/test/fuzz/crypto_aes256cbc.cpp | 34 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index e0351c1c81..2d5f1c8472 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -34,6 +34,7 @@ FUZZ_TARGETS = \ test/fuzz/coins_view \ test/fuzz/crypto \ test/fuzz/crypto_aes256 \ + test/fuzz/crypto_aes256cbc \ test/fuzz/crypto_common \ test/fuzz/cuckoocache \ test/fuzz/decode_tx \ @@ -493,6 +494,12 @@ test_fuzz_crypto_aes256_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_crypto_aes256_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_crypto_aes256_SOURCES = test/fuzz/crypto_aes256.cpp +test_fuzz_crypto_aes256cbc_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_crypto_aes256cbc_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +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_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_aes256cbc.cpp b/src/test/fuzz/crypto_aes256cbc.cpp new file mode 100644 index 0000000000..52983c7e79 --- /dev/null +++ b/src/test/fuzz/crypto_aes256cbc.cpp @@ -0,0 +1,34 @@ +// 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/aes.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <cassert> +#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, AES256_KEYSIZE); + const std::vector<uint8_t> iv = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES_BLOCKSIZE); + const bool pad = fuzzed_data_provider.ConsumeBool(); + + AES256CBCEncrypt encrypt{key.data(), iv.data(), pad}; + AES256CBCDecrypt decrypt{key.data(), iv.data(), pad}; + + while (fuzzed_data_provider.ConsumeBool()) { + const std::vector<uint8_t> plaintext = ConsumeRandomLengthByteVector(fuzzed_data_provider); + std::vector<uint8_t> ciphertext(plaintext.size() + AES_BLOCKSIZE); + const int encrypt_ret = encrypt.Encrypt(plaintext.data(), plaintext.size(), ciphertext.data()); + ciphertext.resize(encrypt_ret); + std::vector<uint8_t> decrypted_plaintext(ciphertext.size()); + const int decrypt_ret = decrypt.Decrypt(ciphertext.data(), ciphertext.size(), decrypted_plaintext.data()); + decrypted_plaintext.resize(decrypt_ret); + assert(decrypted_plaintext == plaintext || (!pad && plaintext.size() % AES_BLOCKSIZE != 0 && encrypt_ret == 0 && decrypt_ret == 0)); + } +} |