LCOV - code coverage report
Current view: top level - src/wallet/test - wallet_crypto_tests.cpp (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 75 75 100.0 %
Date: 2021-06-29 14:35:33 Functions: 8 8 100.0 %
Legend: Modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed

Not modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed
Branches: 16 18 88.9 %

           Branch data     Line data    Source code
#       1                 :            : // Copyright (c) 2014-2020 The Bitcoin Core developers
#       2                 :            : // Distributed under the MIT software license, see the accompanying
#       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
#       4                 :            : 
#       5                 :            : #include <test/util/setup_common.h>
#       6                 :            : #include <util/strencodings.h>
#       7                 :            : #include <wallet/crypter.h>
#       8                 :            : 
#       9                 :            : #include <vector>
#      10                 :            : 
#      11                 :            : #include <boost/test/unit_test.hpp>
#      12                 :            : 
#      13                 :            : BOOST_FIXTURE_TEST_SUITE(wallet_crypto_tests, BasicTestingSetup)
#      14                 :            : 
#      15                 :            : class TestCrypter
#      16                 :            : {
#      17                 :            : public:
#      18                 :            : static void TestPassphraseSingle(const std::vector<unsigned char>& vchSalt, const SecureString& passphrase, uint32_t rounds,
#      19                 :            :                  const std::vector<unsigned char>& correctKey = std::vector<unsigned char>(),
#      20                 :            :                  const std::vector<unsigned char>& correctIV=std::vector<unsigned char>())
#      21                 :         70 : {
#      22                 :         70 :     CCrypter crypt;
#      23                 :         70 :     crypt.SetKeyFromPassphrase(passphrase, vchSalt, rounds, 0);
#      24                 :            : 
#      25         [ +  + ]:         70 :     if(!correctKey.empty())
#      26                 :         70 :         BOOST_CHECK_MESSAGE(memcmp(crypt.vchKey.data(), correctKey.data(), crypt.vchKey.size()) == 0, \
#      27                 :         70 :             HexStr(crypt.vchKey) + std::string(" != ") + HexStr(correctKey));
#      28         [ +  + ]:         70 :     if(!correctIV.empty())
#      29                 :         70 :         BOOST_CHECK_MESSAGE(memcmp(crypt.vchIV.data(), correctIV.data(), crypt.vchIV.size()) == 0,
#      30                 :         70 :             HexStr(crypt.vchIV) + std::string(" != ") + HexStr(correctIV));
#      31                 :         70 : }
#      32                 :            : 
#      33                 :            : static void TestPassphrase(const std::vector<unsigned char>& vchSalt, const SecureString& passphrase, uint32_t rounds,
#      34                 :            :                  const std::vector<unsigned char>& correctKey = std::vector<unsigned char>(),
#      35                 :            :                  const std::vector<unsigned char>& correctIV=std::vector<unsigned char>())
#      36                 :          2 : {
#      37                 :          2 :     TestPassphraseSingle(vchSalt, passphrase, rounds, correctKey, correctIV);
#      38         [ +  + ]:         70 :     for(SecureString::const_iterator i(passphrase.begin()); i != passphrase.end(); ++i)
#      39                 :         68 :         TestPassphraseSingle(vchSalt, SecureString(i, passphrase.end()), rounds);
#      40                 :          2 : }
#      41                 :            : 
#      42                 :            : static void TestDecrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchCiphertext, \
#      43                 :            :                         const std::vector<unsigned char>& vchPlaintext = std::vector<unsigned char>())
#      44                 :       3439 : {
#      45                 :       3439 :     CKeyingMaterial vchDecrypted;
#      46                 :       3439 :     crypt.Decrypt(vchCiphertext, vchDecrypted);
#      47         [ +  + ]:       3439 :     if (vchPlaintext.size())
#      48                 :       3439 :         BOOST_CHECK(CKeyingMaterial(vchPlaintext.begin(), vchPlaintext.end()) == vchDecrypted);
#      49                 :       3439 : }
#      50                 :            : 
#      51                 :            : static void TestEncryptSingle(const CCrypter& crypt, const CKeyingMaterial& vchPlaintext,
#      52                 :            :                        const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
#      53                 :       3333 : {
#      54                 :       3333 :     std::vector<unsigned char> vchCiphertext;
#      55                 :       3333 :     crypt.Encrypt(vchPlaintext, vchCiphertext);
#      56                 :            : 
#      57         [ -  + ]:       3333 :     if (!vchCiphertextCorrect.empty())
#      58                 :       3333 :         BOOST_CHECK(vchCiphertext == vchCiphertextCorrect);
#      59                 :            : 
#      60                 :       3333 :     const std::vector<unsigned char> vchPlaintext2(vchPlaintext.begin(), vchPlaintext.end());
#      61                 :       3333 :     TestDecrypt(crypt, vchCiphertext, vchPlaintext2);
#      62                 :       3333 : }
#      63                 :            : 
#      64                 :            : static void TestEncrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchPlaintextIn, \
#      65                 :            :                        const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
#      66                 :        101 : {
#      67                 :        101 :     TestEncryptSingle(crypt, CKeyingMaterial(vchPlaintextIn.begin(), vchPlaintextIn.end()), vchCiphertextCorrect);
#      68         [ +  + ]:       3333 :     for(std::vector<unsigned char>::const_iterator i(vchPlaintextIn.begin()); i != vchPlaintextIn.end(); ++i)
#      69                 :       3232 :         TestEncryptSingle(crypt, CKeyingMaterial(i, vchPlaintextIn.end()));
#      70                 :        101 : }
#      71                 :            : 
#      72                 :            : };
#      73                 :            : 
#      74                 :          1 : BOOST_AUTO_TEST_CASE(passphrase) {
#      75                 :            :     // These are expensive.
#      76                 :            : 
#      77                 :          1 :     TestCrypter::TestPassphrase(ParseHex("0000deadbeef0000"), "test", 25000, \
#      78                 :          1 :                                 ParseHex("fc7aba077ad5f4c3a0988d8daa4810d0d4a0e3bcb53af662998898f33df0556a"), \
#      79                 :          1 :                                 ParseHex("cf2f2691526dd1aa220896fb8bf7c369"));
#      80                 :            : 
#      81                 :          1 :     std::string hash(GetRandHash().ToString());
#      82                 :          1 :     std::vector<unsigned char> vchSalt(8);
#      83                 :          1 :     GetRandBytes(vchSalt.data(), vchSalt.size());
#      84                 :          1 :     uint32_t rounds = InsecureRand32();
#      85         [ +  - ]:          1 :     if (rounds > 30000)
#      86                 :          1 :         rounds = 30000;
#      87                 :          1 :     TestCrypter::TestPassphrase(vchSalt, SecureString(hash.begin(), hash.end()), rounds);
#      88                 :          1 : }
#      89                 :            : 
#      90                 :          1 : BOOST_AUTO_TEST_CASE(encrypt) {
#      91                 :          1 :     std::vector<unsigned char> vchSalt = ParseHex("0000deadbeef0000");
#      92                 :          1 :     BOOST_CHECK(vchSalt.size() == WALLET_CRYPTO_SALT_SIZE);
#      93                 :          1 :     CCrypter crypt;
#      94                 :          1 :     crypt.SetKeyFromPassphrase("passphrase", vchSalt, 25000, 0);
#      95                 :          1 :     TestCrypter::TestEncrypt(crypt, ParseHex("22bcade09ac03ff6386914359cfe885cfeb5f77ff0d670f102f619687453b29d"));
#      96                 :            : 
#      97         [ +  + ]:        101 :     for (int i = 0; i != 100; i++)
#      98                 :        100 :     {
#      99                 :        100 :         uint256 hash(GetRandHash());
#     100                 :        100 :         TestCrypter::TestEncrypt(crypt, std::vector<unsigned char>(hash.begin(), hash.end()));
#     101                 :        100 :     }
#     102                 :            : 
#     103                 :          1 : }
#     104                 :            : 
#     105                 :          1 : BOOST_AUTO_TEST_CASE(decrypt) {
#     106                 :          1 :     std::vector<unsigned char> vchSalt = ParseHex("0000deadbeef0000");
#     107                 :          1 :     BOOST_CHECK(vchSalt.size() == WALLET_CRYPTO_SALT_SIZE);
#     108                 :          1 :     CCrypter crypt;
#     109                 :          1 :     crypt.SetKeyFromPassphrase("passphrase", vchSalt, 25000, 0);
#     110                 :            : 
#     111                 :            :     // Some corner cases the came up while testing
#     112                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("795643ce39d736088367822cdc50535ec6f103715e3e48f4f3b1a60a08ef59ca"));
#     113                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("de096f4a8f9bd97db012aa9d90d74de8cdea779c3ee8bc7633d8b5d6da703486"));
#     114                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("32d0a8974e3afd9c6c3ebf4d66aa4e6419f8c173de25947f98cf8b7ace49449c"));
#     115                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("e7c055cca2faa78cb9ac22c9357a90b4778ded9b2cc220a14cea49f931e596ea"));
#     116                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("b88efddd668a6801d19516d6830da4ae9811988ccbaf40df8fbb72f3f4d335fd"));
#     117                 :          1 :     TestCrypter::TestDecrypt(crypt,ParseHex("8cae76aa6a43694e961ebcb28c8ca8f8540b84153d72865e8561ddd93fa7bfa9"));
#     118                 :            : 
#     119         [ +  + ]:        101 :     for (int i = 0; i != 100; i++)
#     120                 :        100 :     {
#     121                 :        100 :         uint256 hash(GetRandHash());
#     122                 :        100 :         TestCrypter::TestDecrypt(crypt, std::vector<unsigned char>(hash.begin(), hash.end()));
#     123                 :        100 :     }
#     124                 :          1 : }
#     125                 :            : 
#     126                 :            : BOOST_AUTO_TEST_SUITE_END()

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