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6861f954f8
Move util/message to common/signmessage so it is named more clearly, and because the util library is not supposed to depend on other libraries besides the crypto library. The signmessage functions use CKey, CPubKey, PKHash, and DecodeDestination functions in the consensus and common libraries.
45 lines
1.7 KiB
C++
45 lines
1.7 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 <chainparams.h>
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#include <common/signmessage.h>
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#include <key_io.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 <util/chaintype.h>
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#include <util/strencodings.h>
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#include <cassert>
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#include <cstdint>
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#include <iostream>
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#include <string>
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#include <vector>
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void initialize_message()
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{
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static ECC_Context ecc_context{};
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SelectParams(ChainType::REGTEST);
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}
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FUZZ_TARGET(message, .init = initialize_message)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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const std::string random_message = fuzzed_data_provider.ConsumeRandomLengthString(1024);
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{
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CKey private_key = ConsumePrivateKey(fuzzed_data_provider);
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std::string signature;
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const bool message_signed = MessageSign(private_key, random_message, signature);
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if (private_key.IsValid()) {
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assert(message_signed);
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const MessageVerificationResult verification_result = MessageVerify(EncodeDestination(PKHash(private_key.GetPubKey().GetID())), signature, random_message);
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assert(verification_result == MessageVerificationResult::OK);
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}
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}
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{
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(void)MessageHash(random_message);
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(void)MessageVerify(fuzzed_data_provider.ConsumeRandomLengthString(1024), fuzzed_data_provider.ConsumeRandomLengthString(1024), random_message);
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(void)SigningResultString(fuzzed_data_provider.PickValueInArray({SigningResult::OK, SigningResult::PRIVATE_KEY_NOT_AVAILABLE, SigningResult::SIGNING_FAILED}));
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}
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}
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