git / moonbite-core / src/test/fuzz/crypto_aes256cbc.cpp · raw

// 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));    }}