Line data    Source code

       1             : // Copyright (c) 2014-2019 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          89 : BOOST_FIXTURE_TEST_SUITE(wallet_crypto_tests, BasicTestingSetup)
      14             : 
      15             : class TestCrypter
      16             : {
      17             : public:
      18          70 : 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             : {
      22          70 :     CCrypter crypt;
      23          70 :     crypt.SetKeyFromPassphrase(passphrase, vchSalt, rounds, 0);
      24             : 
      25          70 :     if(!correctKey.empty())
      26           1 :         BOOST_CHECK_MESSAGE(memcmp(crypt.vchKey.data(), correctKey.data(), crypt.vchKey.size()) == 0, \
      27             :             HexStr(crypt.vchKey) + std::string(" != ") + HexStr(correctKey));
      28          70 :     if(!correctIV.empty())
      29           1 :         BOOST_CHECK_MESSAGE(memcmp(crypt.vchIV.data(), correctIV.data(), crypt.vchIV.size()) == 0,
      30             :             HexStr(crypt.vchIV) + std::string(" != ") + HexStr(correctIV));
      31          70 : }
      32             : 
      33           2 : 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             : {
      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        3439 : static void TestDecrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchCiphertext, \
      43             :                         const std::vector<unsigned char>& vchPlaintext = std::vector<unsigned char>())
      44             : {
      45        3439 :     CKeyingMaterial vchDecrypted;
      46        3439 :     crypt.Decrypt(vchCiphertext, vchDecrypted);
      47        3439 :     if (vchPlaintext.size())
      48        3333 :         BOOST_CHECK(CKeyingMaterial(vchPlaintext.begin(), vchPlaintext.end()) == vchDecrypted);
      49        3439 : }
      50             : 
      51        3333 : static void TestEncryptSingle(const CCrypter& crypt, const CKeyingMaterial& vchPlaintext,
      52             :                        const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
      53             : {
      54        3333 :     std::vector<unsigned char> vchCiphertext;
      55        3333 :     crypt.Encrypt(vchPlaintext, vchCiphertext);
      56             : 
      57        3333 :     if (!vchCiphertextCorrect.empty())
      58           0 :         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         101 : static void TestEncrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchPlaintextIn, \
      65             :                        const std::vector<unsigned char>& vchCiphertextCorrect = std::vector<unsigned char>())
      66             : {
      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          95 : BOOST_AUTO_TEST_CASE(passphrase) {
      75             :     // These are expensive.
      76             : 
      77           2 :     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             :         rounds = 30000;
      87           1 :     TestCrypter::TestPassphrase(vchSalt, SecureString(hash.begin(), hash.end()), rounds);
      88           1 : }
      89             : 
      90          95 : 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             :     {
      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          95 : 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             :     {
     121         100 :         uint256 hash(GetRandHash());
     122         100 :         TestCrypter::TestDecrypt(crypt, std::vector<unsigned char>(hash.begin(), hash.end()));
     123         100 :     }
     124           1 : }
     125             : 
     126          89 : BOOST_AUTO_TEST_SUITE_END()