src/test/fuzz/key_io.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

// Copyright (c) 2020-2021 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/fuzz.h>

#include <cassert>
#include <cstdint>
#include <string>
#include <vector>

void initialize_key_io()
{
    ECC_Start();
    SelectParams(CBaseChainParams::MAIN);
}

FUZZ_TARGET_INIT(key_io, initialize_key_io)
{
    const std::string random_string(buffer.begin(), buffer.end());

    const CKey key = DecodeSecret(random_string);
    if (key.IsValid()) {
        assert(key == DecodeSecret(EncodeSecret(key)));
    }

    const CExtKey ext_key = DecodeExtKey(random_string);
    if (ext_key.key.size() == 32) {
        assert(ext_key == DecodeExtKey(EncodeExtKey(ext_key)));
    }

    const CExtPubKey ext_pub_key = DecodeExtPubKey(random_string);
    if (ext_pub_key.pubkey.size() == CPubKey::COMPRESSED_SIZE) {
        assert(ext_pub_key == DecodeExtPubKey(EncodeExtPubKey(ext_pub_key)));
    }
}