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214d9055ac
Blindly chose a cap of 10000 iterations for every loop, except for the two in script_ops.cpp and scriptnum_ops.cpp which appeared to (sometimes) be deserializing individual bytes; capped those to one million to ensure that sometimes we try working with massive scripts. There was also one fuzzer-controlled loop in timedata.cpp which was already capped, so I left that alone. git grep 'while (fuzz' should now run clean except for timedata.cpp
35 lines
1.6 KiB
C++
35 lines
1.6 KiB
C++
// 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/aes.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 <cassert>
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#include <cstdint>
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#include <vector>
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FUZZ_TARGET(crypto_aes256cbc)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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const std::vector<uint8_t> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES256_KEYSIZE);
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const std::vector<uint8_t> iv = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES_BLOCKSIZE);
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const bool pad = fuzzed_data_provider.ConsumeBool();
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AES256CBCEncrypt encrypt{key.data(), iv.data(), pad};
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AES256CBCDecrypt decrypt{key.data(), iv.data(), pad};
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LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
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const std::vector<uint8_t> plaintext = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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std::vector<uint8_t> ciphertext(plaintext.size() + AES_BLOCKSIZE);
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const int encrypt_ret = encrypt.Encrypt(plaintext.data(), plaintext.size(), ciphertext.data());
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ciphertext.resize(encrypt_ret);
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std::vector<uint8_t> decrypted_plaintext(ciphertext.size());
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const int decrypt_ret = decrypt.Decrypt(ciphertext.data(), ciphertext.size(), decrypted_plaintext.data());
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decrypted_plaintext.resize(decrypt_ret);
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assert(decrypted_plaintext == plaintext || (!pad && plaintext.size() % AES_BLOCKSIZE != 0 && encrypt_ret == 0 && decrypt_ret == 0));
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}
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}
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