| 53 | } |
| 54 | |
| 55 | bool CWallet::ChangeWalletPassphrase(const SecureString &strOldWalletPassphrase, |
| 56 | const SecureString &strNewWalletPassphrase) { |
| 57 | bool fWasLocked = IsLocked(); |
| 58 | |
| 59 | { |
| 60 | LOCK(cs_wallet); |
| 61 | Lock(); |
| 62 | |
| 63 | CCrypter crypter; |
| 64 | CKeyingMaterial vMasterKey; |
| 65 | for (auto &pMasterKey : mapMasterKeys) { |
| 66 | if (!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, |
| 67 | pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) |
| 68 | return false; |
| 69 | if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) |
| 70 | return false; |
| 71 | if (CCryptoKeyStore::Unlock(vMasterKey)) { |
| 72 | int64_t nStartTime = GetTimeMillis(); |
| 73 | crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, |
| 74 | pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); |
| 75 | pMasterKey.second.nDeriveIterations = |
| 76 | pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime))); |
| 77 | |
| 78 | nStartTime = GetTimeMillis(); |
| 79 | crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, |
| 80 | pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); |
| 81 | pMasterKey.second.nDeriveIterations = |
| 82 | (pMasterKey.second.nDeriveIterations + |
| 83 | pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / |
| 84 | 2; |
| 85 | |
| 86 | if (pMasterKey.second.nDeriveIterations < 25000) pMasterKey.second.nDeriveIterations = 25000; |
| 87 | |
| 88 | LogPrint(BCLog::INFO, "Wallet passphrase changed to an nDeriveIterations of %i\n", |
| 89 | pMasterKey.second.nDeriveIterations); |
| 90 | |
| 91 | if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, |
| 92 | pMasterKey.second.nDeriveIterations, |
| 93 | pMasterKey.second.nDerivationMethod)) |
| 94 | return false; |
| 95 | if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey)) |
| 96 | return false; |
| 97 | CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second); |
| 98 | if (fWasLocked) |
| 99 | Lock(); |
| 100 | return true; |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | return false; |
| 106 | } |
| 107 | |
| 108 | void CWallet::SetBestChain(const CBlockLocator &loc) { |
| 109 | AssertLockHeld(cs_wallet); |
no test coverage detected