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// 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 <chainparams.h>
#include <key_io.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/chaintype.h>
#include <util/message.h>
#include <util/strencodings.h>
#include <cassert>
#include <cstdint>
#include <iostream>
#include <string>
#include <vector>
void initialize_message()
{
static ECC_Context ecc_context{};
SelectParams(ChainType::REGTEST);
}
FUZZ_TARGET(message, .init = initialize_message)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const std::string random_message = fuzzed_data_provider.ConsumeRandomLengthString(1024);
{
CKey private_key = ConsumePrivateKey(fuzzed_data_provider);
std::string signature;
const bool message_signed = MessageSign(private_key, random_message, signature);
if (private_key.IsValid()) {
assert(message_signed);
const MessageVerificationResult verification_result = MessageVerify(EncodeDestination(PKHash(private_key.GetPubKey().GetID())), signature, random_message);
assert(verification_result == MessageVerificationResult::OK);
}
}
{
(void)MessageHash(random_message);
(void)MessageVerify(fuzzed_data_provider.ConsumeRandomLengthString(1024), fuzzed_data_provider.ConsumeRandomLengthString(1024), random_message);
(void)SigningResultString(fuzzed_data_provider.PickValueInArray({SigningResult::OK, SigningResult::PRIVATE_KEY_NOT_AVAILABLE, SigningResult::SIGNING_FAILED}));
}
}
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