本文整理汇总了C++中CCrypter::Decrypt方法的典型用法代码示例。如果您正苦于以下问题：C++ CCrypter::Decrypt方法的具体用法？C++ CCrypter::Decrypt怎么用？C++ CCrypter::Decrypt使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CCrypter的用法示例。
在下文中一共展示了CCrypter::Decrypt方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: TestDecrypt
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);
}示例2: DecryptSecret
bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext)
{
CCrypter cKeyCrypter;
std::vector<unsigned char> chIV(WALLET_CRYPTO_KEY_SIZE);
memcpy(&chIV[0], &nIV, WALLET_CRYPTO_KEY_SIZE);
if(!cKeyCrypter.SetKey(vMasterKey, chIV))
return false;
return cKeyCrypter.Decrypt(vchCiphertext, *((CKeyingMaterial*)&vchPlaintext));
}示例3: DecryptSecret
bool WalletUtilityDB::DecryptSecret(const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext)
{
CCrypter cKeyCrypter;
std::vector<unsigned char> chIV(WALLET_CRYPTO_KEY_SIZE);
memcpy(&chIV[0], &nIV, WALLET_CRYPTO_KEY_SIZE);
BOOST_FOREACH(const CKeyingMaterial vMKey, vMKeys)
{
if(!cKeyCrypter.SetKey(vMKey, chIV))
continue;
if (cKeyCrypter.Decrypt(vchCiphertext, *((CKeyingMaterial*)&vchPlaintext)))
return true;
}
return false;
}示例4: Unlock
bool WalletUtilityDB::Unlock()
{
CCrypter crypter;
CKeyingMaterial vMasterKey;
BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
{
if(!crypter.SetKeyFromPassphrase(mPass, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
continue; // try another master key
vMKeys.push_back(vMasterKey);
}
return true;
}示例5: ChangeWalletPassphrase
bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
{
bool fWasLocked = IsLocked();
{
LOCK(cs_wallet);
Lock();
CCrypter crypter;
CKeyingMaterial vMasterKey;
BOOST_FOREACH(MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
{
if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
return false;
if (CCryptoKeyStore::Unlock(vMasterKey))
{
int64 nStartTime = GetTimeMillis();
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
pMasterKey.second.nDeriveIterations = pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime)));
nStartTime = GetTimeMillis();
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
if (pMasterKey.second.nDeriveIterations < 25000)
pMasterKey.second.nDeriveIterations = 25000;
printf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey))
return false;
CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
if (fWasLocked)
Lock();
return true;
}
}
}
return false;
}示例6: Unlock
bool CWallet::Unlock(const SecureString& strWalletPassphrase)
{
if (!IsLocked())
return false;
CCrypter crypter;
CKeyingMaterial vMasterKey;
{
LOCK(cs_wallet);
BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
{
if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
return false;
if (CCryptoKeyStore::Unlock(vMasterKey))
return true;
}
}
return false;
}示例7: TestDecrypt
static void TestDecrypt(const CCrypter& crypt, const std::vector<unsigned char>& vchCiphertext, \
const std::vector<unsigned char>& vchPlaintext = std::vector<unsigned char>())
{
CKeyingMaterial vchDecrypted1;
CKeyingMaterial vchDecrypted2;
int result1, result2;
result1 = crypt.Decrypt(vchCiphertext, vchDecrypted1);
result2 = OldDecrypt(vchCiphertext, vchDecrypted2, crypt.vchKey.data(), crypt.vchIV.data());
BOOST_CHECK(result1 == result2);
// These two should be equal. However, OpenSSL 1.0.1j introduced a change
// that would zero all padding except for the last byte for failed decrypts.
// This behavior was reverted for 1.0.1k.
if (vchDecrypted1 != vchDecrypted2 && vchDecrypted1.size() >= AES_BLOCK_SIZE && SSLeay() == 0x100010afL)
{
for(CKeyingMaterial::iterator it = vchDecrypted1.end() - AES_BLOCK_SIZE; it != vchDecrypted1.end() - 1; it++)
*it = 0;
}
BOOST_CHECK_MESSAGE(vchDecrypted1 == vchDecrypted2, HexStr(vchDecrypted1.begin(), vchDecrypted1.end()) + " != " + HexStr(vchDecrypted2.begin(), vchDecrypted2.end()));
if (vchPlaintext.size())
BOOST_CHECK(CKeyingMaterial(vchPlaintext.begin(), vchPlaintext.end()) == vchDecrypted2);
}示例8: main
int main(int argc, char* argv[])
{
if (argc != 7){
printf("Hashchecker needs to know the cryptographic details of your wallet!\nUsage: hashchecker pw_to_permute iterations salt crypted_key public_key crypted_secret\n");
return 1;
}
CCrypter crypter;
CKeyingMaterial vMasterKey;
// Try any password as input
SecureString attempt = argv[1];
const unsigned int nDeriveIterations = atoi(argv[2]);//29731;
const vector<unsigned char> chSalt = Convert(argv[3]);//"b29a2e128e8e0a2f");//argv[1];
const vector<unsigned char> vchCryptedKey = Convert(argv[4]);//"982a07407ccb8d70514e7b7ccae4b53d68318ec41fd2bf99bf9dbcafd2f150a92c6eb8f9ea743b782fc5b85403421c1d");//argv[2];
const vector<unsigned char> vchPubKey = Convert(argv[5]);//"03fefd771544971f3ab95b041bbce02cc799a335d0d12c3bcd46c7c61a4e3ba897");
const vector<unsigned char> vchCryptedSecret = Convert(argv[6]);//"17169083a74b07ff3497027af7423b9aec1593c90f15a57f52c368593947c85e37b03430840ad48ef409e97ba5a4cdeb");
double count = Factorial(attempt.size());
bool found = false;
for (int i = 0; i <= count; i++)
{
if (i > 0) {//test the word as typed in on first iteration
permutation(i-1, attempt);
}
const SecureString strWalletPassphrase = attempt;
cout << i << "-" << strWalletPassphrase <<"\n";
if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, chSalt, nDeriveIterations, 0))
{
cout << i << " " << strWalletPassphrase <<"\n";
continue;
}
if (!crypter.Decrypt(vchCryptedKey, vMasterKey))
{
cout << i << " " << strWalletPassphrase <<"\n";
continue;
}
CSecret vchSecret;
if(!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
{
cout << "** didn't decrypt **" <<"\n";
continue;
}
if (vchSecret.size() != 32)
{
cout << "** wrong size secret **" <<"\n";
continue;
}
CKey key;
key.SetPubKey(vchPubKey);
key.SetSecret(vchSecret);
if (key.GetPubKey() == vchPubKey)
{
cout<<"Found one: "<<strWalletPassphrase<<"\n";
found = true;
break;
}
// else
// cout << "** didn't get the pubkey back **\n";
}
if (found)
cout << "Found it! Congratulations\n";
return 0;
}