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// Copyright (c) 2014-2020 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 <test/util/setup_common.h>
#include <util/strencodings.h>
#include <wallet/crypter.h>
#include <vector>
#include <boost/test/unit_test.hpp>
namespace wallet {
BOOST_FIXTURE_TEST_SUITE(wallet_crypto_tests, BasicTestingSetup)
class TestCrypter
{
public:
static void TestPassphraseSingle(const std::vector<unsigned char>& vchSalt, const SecureString& passphrase, uint32_t rounds,
const std::vector<unsigned char>& correctKey = std::vector<unsigned char>(),
const std::vector<unsigned char>& correctIV=std::vector<unsigned char>())
{
CCrypter crypt;
crypt.SetKeyFromPassphrase(passphrase, vchSalt, rounds, 0);
if(!correctKey.empty())
BOOST_CHECK_MESSAGE(memcmp(crypt.vchKey.data(), correctKey.data(), crypt.vchKey.size()) == 0, \
HexStr(crypt.vchKey) + std::string(" != ") + HexStr(correctKey));
if(!correctIV.empty())
BOOST_CHECK_MESSAGE(memcmp(crypt.vchIV.data(), correctIV.data(), crypt.vchIV.size()) == 0,
HexStr(crypt.vchIV) + std::string(" != ") + HexStr(correctIV));
}
static void TestPassphrase(const std::vector<unsigned char>& vchSalt, const SecureString& passphrase, uint32_t rounds,
const std::vector<unsigned char>& correctKey = std::vector<unsigned char>(),
const std::vector<unsigned char>& correctIV=std::vector<unsigned char>())
{
TestPassphraseSingle(vchSalt, passphrase, rounds, correctKey, correctIV);
for(SecureString::const_iterator i(passphrase.begin()); i != passphrase.end(); ++i)
TestPassphraseSingle(vchSalt, SecureString(i, passphrase.end()), rounds);
}
static void TestDecrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchCiphertext, \
const std::vector<unsigned char>& vchPlaintext = std::vector<unsigned char>())
{
CKeyingMaterial vchDecrypted;
crypt.Decrypt(vchCiphertext, vchDecrypted);
if (vchPlaintext.size())
BOOST_CHECK(CKeyingMaterial(vchPlaintext.begin(), vchPlaintext.end()) == vchDecrypted);
}
static void TestEncryptSingle(const CCrypter& crypt, const CKeyingMaterial& vchPlaintext,
const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
{
std::vector<unsigned char> vchCiphertext;
crypt.Encrypt(vchPlaintext, vchCiphertext);
if (!vchCiphertextCorrect.empty())
BOOST_CHECK(vchCiphertext == vchCiphertextCorrect);
const std::vector<unsigned char> vchPlaintext2(vchPlaintext.begin(), vchPlaintext.end());
TestDecrypt(crypt, vchCiphertext, vchPlaintext2);
}
static void TestEncrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchPlaintextIn, \
const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
{
TestEncryptSingle(crypt, CKeyingMaterial(vchPlaintextIn.begin(), vchPlaintextIn.end()), vchCiphertextCorrect);
for(std::vector<unsigned char>::const_iterator i(vchPlaintextIn.begin()); i != vchPlaintextIn.end(); ++i)
TestEncryptSingle(crypt, CKeyingMaterial(i, vchPlaintextIn.end()));
}
};
BOOST_AUTO_TEST_CASE(passphrase) {
// These are expensive.
TestCrypter::TestPassphrase(ParseHex("0000deadbeef0000"), "test", 25000, \
ParseHex("fc7aba077ad5f4c3a0988d8daa4810d0d4a0e3bcb53af662998898f33df0556a"), \
ParseHex("cf2f2691526dd1aa220896fb8bf7c369"));
std::string hash(GetRandHash().ToString());
std::vector<unsigned char> vchSalt(8);
GetRandBytes(vchSalt.data(), vchSalt.size());
uint32_t rounds = InsecureRand32();
if (rounds > 30000)
rounds = 30000;
TestCrypter::TestPassphrase(vchSalt, SecureString(hash.begin(), hash.end()), rounds);
}
BOOST_AUTO_TEST_CASE(encrypt) {
std::vector<unsigned char> vchSalt = ParseHex("0000deadbeef0000");
BOOST_CHECK(vchSalt.size() == WALLET_CRYPTO_SALT_SIZE);
CCrypter crypt;
crypt.SetKeyFromPassphrase("passphrase", vchSalt, 25000, 0);
TestCrypter::TestEncrypt(crypt, ParseHex("22bcade09ac03ff6386914359cfe885cfeb5f77ff0d670f102f619687453b29d"));
for (int i = 0; i != 100; i++)
{
uint256 hash(GetRandHash());
TestCrypter::TestEncrypt(crypt, std::vector<unsigned char>(hash.begin(), hash.end()));
}
}
BOOST_AUTO_TEST_CASE(decrypt) {
std::vector<unsigned char> vchSalt = ParseHex("0000deadbeef0000");
BOOST_CHECK(vchSalt.size() == WALLET_CRYPTO_SALT_SIZE);
CCrypter crypt;
crypt.SetKeyFromPassphrase("passphrase", vchSalt, 25000, 0);
// Some corner cases the came up while testing
TestCrypter::TestDecrypt(crypt,ParseHex("795643ce39d736088367822cdc50535ec6f103715e3e48f4f3b1a60a08ef59ca"));
TestCrypter::TestDecrypt(crypt,ParseHex("de096f4a8f9bd97db012aa9d90d74de8cdea779c3ee8bc7633d8b5d6da703486"));
TestCrypter::TestDecrypt(crypt,ParseHex("32d0a8974e3afd9c6c3ebf4d66aa4e6419f8c173de25947f98cf8b7ace49449c"));
TestCrypter::TestDecrypt(crypt,ParseHex("e7c055cca2faa78cb9ac22c9357a90b4778ded9b2cc220a14cea49f931e596ea"));
TestCrypter::TestDecrypt(crypt,ParseHex("b88efddd668a6801d19516d6830da4ae9811988ccbaf40df8fbb72f3f4d335fd"));
TestCrypter::TestDecrypt(crypt,ParseHex("8cae76aa6a43694e961ebcb28c8ca8f8540b84153d72865e8561ddd93fa7bfa9"));
for (int i = 0; i != 100; i++)
{
uint256 hash(GetRandHash());
TestCrypter::TestDecrypt(crypt, std::vector<unsigned char>(hash.begin(), hash.end()));
}
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace wallet
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