本文整理汇总了C++中bytesConstRef类的典型用法代码示例。如果您正苦于以下问题：C++ bytesConstRef类的具体用法？C++ bytesConstRef怎么用？C++ bytesConstRef使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了bytesConstRef类的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: writeFile
void dev::writeFile(std::string const& _file, bytesConstRef _data, bool _writeDeleteRename)
{
namespace fs = boost::filesystem;
if (_writeDeleteRename)
{
fs::path tempPath = fs::unique_path(_file + "-%%%%%%");
writeFile(tempPath.string(), _data, false);
// will delete _file if it exists
fs::rename(tempPath, _file);
}
else
{
// create directory if not existent
fs::path p(_file);
if (!fs::exists(p.parent_path()))
{
fs::create_directories(p.parent_path());
DEV_IGNORE_EXCEPTIONS(fs::permissions(p.parent_path(), fs::owner_all));
}
ofstream s(_file, ios::trunc | ios::binary);
s.write(reinterpret_cast<char const*>(_data.data()), _data.size());
if (!s)
BOOST_THROW_EXCEPTION(FileError() << errinfo_comment("Could not write to file: " + _file));
DEV_IGNORE_EXCEPTIONS(fs::permissions(_file, fs::owner_read|fs::owner_write));
}
}
开发者ID:285452612，项目名称:bcos，代码行数:27，代码来源:CommonIO.cpp
示例2: hexPrefixEncode
std::string hexPrefixEncode(bytesConstRef _d1, unsigned _o1, bytesConstRef _d2, unsigned _o2, bool _leaf)
{
unsigned begin1 = _o1;
unsigned end1 = _d1.size() * 2;
unsigned begin2 = _o2;
unsigned end2 = _d2.size() * 2;
bool odd = (end1 - begin1 + end2 - begin2) & 1;
std::string ret(1, ((_leaf ? 2 : 0) | (odd ? 1 : 0)) * 16);
ret.reserve((end1 - begin1 + end2 - begin2) / 2 + 1);
unsigned d = odd ? 1 : 2;
for (auto i = begin1; i < end1; ++i, ++d)
{
byte n = nibble(_d1, i);
if (d & 1) // odd
ret.back() |= n; // or the nibble onto the back
else
ret.push_back(n << 4); // push the nibble on to the back << 4
}
for (auto i = begin2; i < end2; ++i, ++d)
{
byte n = nibble(_d2, i);
if (d & 1) // odd
ret.back() |= n; // or the nibble onto the back
else
ret.push_back(n << 4); // push the nibble on to the back << 4
}
return ret;
}
开发者ID:Kingefosa，项目名称:cpp-microdatachain，代码行数:31，代码来源:TrieCommon.cpp
示例3:
void eth::sha3(bytesConstRef _input, bytesRef _output)
{
CryptoPP::SHA3_256 ctx;
ctx.Update((byte*)_input.data(), _input.size());
assert(_output.size() >= 32);
ctx.Final(_output.data());
}
开发者ID:AlphaPerfect，项目名称:cpp-ethereum，代码行数:7，代码来源:Common.cpp
示例4: aesDecrypt
bytes dev::aesDecrypt(bytesConstRef _ivCipher, std::string const& _password, unsigned _rounds, bytesConstRef _salt)
{
bytes pw = asBytes(_password);
if (!_salt.size())
_salt = &pw;
bytes target(64);
CryptoPP::PKCS5_PBKDF2_HMAC<CryptoPP::SHA256>().DeriveKey(target.data(), target.size(), 0, pw.data(), pw.size(), _salt.data(), _salt.size(), _rounds);
try
{
CryptoPP::AES::Decryption aesDecryption(target.data(), 16);
auto cipher = _ivCipher.cropped(16);
auto iv = _ivCipher.cropped(0, 16);
CryptoPP::CBC_Mode_ExternalCipher::Decryption cbcDecryption(aesDecryption, iv.data());
std::string decrypted;
CryptoPP::StreamTransformationFilter stfDecryptor(cbcDecryption, new CryptoPP::StringSink(decrypted));
stfDecryptor.Put(cipher.data(), cipher.size());
stfDecryptor.MessageEnd();
return asBytes(decrypted);
}
catch (exception const& e)
{
cerr << e.what() << endl;
return bytes();
}
}
开发者ID:AndresAH，项目名称:cpp-ethereum，代码行数:28，代码来源:AES.cpp
示例5: eciesKDF
void Secp256k1PP::encryptECIES(Public const& _k, bytesConstRef _sharedMacData, bytes& io_cipher)
{
// interop w/go ecies implementation
auto r = KeyPair::create();
Secret z;
ecdh::agree(r.sec(), _k, z);
auto key = eciesKDF(z, bytes(), 32);
bytesConstRef eKey = bytesConstRef(&key).cropped(0, 16);
bytesRef mKeyMaterial = bytesRef(&key).cropped(16, 16);
CryptoPP::SHA256 ctx;
ctx.Update(mKeyMaterial.data(), mKeyMaterial.size());
bytes mKey(32);
ctx.Final(mKey.data());
bytes cipherText = encryptSymNoAuth(SecureFixedHash<16>(eKey), h128(), bytesConstRef(&io_cipher));
if (cipherText.empty())
return;
bytes msg(1 + Public::size + h128::size + cipherText.size() + 32);
msg[0] = 0x04;
r.pub().ref().copyTo(bytesRef(&msg).cropped(1, Public::size));
bytesRef msgCipherRef = bytesRef(&msg).cropped(1 + Public::size + h128::size, cipherText.size());
bytesConstRef(&cipherText).copyTo(msgCipherRef);
// tag message
CryptoPP::HMAC<SHA256> hmacctx(mKey.data(), mKey.size());
bytesConstRef cipherWithIV = bytesRef(&msg).cropped(1 + Public::size, h128::size + cipherText.size());
hmacctx.Update(cipherWithIV.data(), cipherWithIV.size());
hmacctx.Update(_sharedMacData.data(), _sharedMacData.size());
hmacctx.Final(msg.data() + 1 + Public::size + cipherWithIV.size());
io_cipher.resize(msg.size());
io_cipher.swap(msg);
}
开发者ID:asadsalman，项目名称:ring-daemon，代码行数:34，代码来源:CryptoPP.cpp
示例6: checkPacket
bool Session::checkPacket(bytesConstRef _msg)
{
if (_msg[0] > 0x7f || _msg.size() < 2)
return false;
if (RLP(_msg.cropped(1)).actualSize() + 1 != _msg.size())
return false;
return true;
}
开发者ID:beautifularea，项目名称:aleth，代码行数:8，代码来源:Session.cpp
示例7: exec
static void exec(string const& _args, bytesConstRef _in)
{
try
{
exec_stream_t es("ipfs", _args);
es.in() << string(_in.begin(), _in.end());
}
catch (exception const &e)
{
throw IPFSCommunicationError(e.what());
}
}
开发者ID:elementrem，项目名称:webthree-umbrella，代码行数:12，代码来源:IPFS.cpp
示例8: bytes
bool Secp256k1PP::decryptECIES(Secret const& _k, bytesConstRef _sharedMacData, bytes& io_text)
{
// interop w/go ecies implementation
// io_cipher[0] must be 2, 3, or 4, else invalidpublickey
if (io_text.empty() || io_text[0] < 2 || io_text[0] > 4)
// invalid message: publickey
return false;
if (io_text.size() < (1 + Public::size + h128::size + 1 + h256::size))
// invalid message: length
return false;
Secret z;
if (!ecdh::agree(_k, *(Public*)(io_text.data() + 1), z))
return false; // Invalid pubkey or seckey.
auto key = ecies::kdf(z, bytes(), 64);
bytesConstRef eKey = bytesConstRef(&key).cropped(0, 16);
bytesRef mKeyMaterial = bytesRef(&key).cropped(16, 16);
bytes mKey(32);
CryptoPP::SHA256 ctx;
ctx.Update(mKeyMaterial.data(), mKeyMaterial.size());
ctx.Final(mKey.data());
bytes plain;
size_t cipherLen = io_text.size() - 1 - Public::size - h128::size - h256::size;
bytesConstRef cipherWithIV(io_text.data() + 1 + Public::size, h128::size + cipherLen);
bytesConstRef cipherIV = cipherWithIV.cropped(0, h128::size);
bytesConstRef cipherNoIV = cipherWithIV.cropped(h128::size, cipherLen);
bytesConstRef msgMac(cipherNoIV.data() + cipherLen, h256::size);
h128 iv(cipherIV.toBytes());
// verify tag
CryptoPP::HMAC<CryptoPP::SHA256> hmacctx(mKey.data(), mKey.size());
hmacctx.Update(cipherWithIV.data(), cipherWithIV.size());
hmacctx.Update(_sharedMacData.data(), _sharedMacData.size());
h256 mac;
hmacctx.Final(mac.data());
for (unsigned i = 0; i < h256::size; i++)
if (mac[i] != msgMac[i])
return false;
plain = decryptSymNoAuth(SecureFixedHash<16>(eKey), iv, cipherNoIV).makeInsecure();
io_text.resize(plain.size());
io_text.swap(plain);
return true;
}
开发者ID:Kingefosa，项目名称:cpp-microdatachain，代码行数:49，代码来源:CryptoPP.cpp
示例9: import
bool TransactionQueue::import(bytesConstRef _block)
{
// Check if we already know this transaction.
h256 h = sha3(_block);
if (m_data.count(h))
return false;
try
{
// Check validity of _block as a transaction. To do this we just deserialise and attempt to determine the sender. If it doesn't work, the signature is bad.
// The transaction's nonce may yet be invalid (or, it could be "valid" but we may be missing a marginally older transaction).
Transaction t(_block);
auto s = t.sender();
if (m_interest.count(s))
m_interestQueue.push_back(t);
// If valid, append to blocks.
m_data[h] = _block.toBytes();
}
catch (InvalidTransactionFormat const& _e)
{
cwarn << "Ignoring invalid transaction: " << _e.description();
return false;
}
catch (std::exception const& _e)
{
cwarn << "Ignoring invalid transaction: " << _e.what();
return false;
}
return true;
}
开发者ID:AronVanAmmers，项目名称:cpp-ethereum，代码行数:32，代码来源:TransactionQueue.cpp
示例10: insertAux
void MemoryDB::insertAux(h256 const& _h, bytesConstRef _v)
{
#if DEV_GUARDED_DB
WriteGuard l(x_this);
#endif
m_aux[_h] = make_pair(_v.toBytes(), true);
}
开发者ID:fjl，项目名称:libweb3core，代码行数:7，代码来源:MemoryDB.cpp
示例11:
AddressState::AddressState(u256 _balance, u256 _nonce, bytesConstRef _code):
m_type(AddressType::Contract),
m_balance(_balance),
m_nonce(_nonce),
m_isComplete(true),
m_code(_code.toBytes())
{}
开发者ID:AcriCAA，项目名称:cpp-ethereum，代码行数:7，代码来源:AddressState.cpp
示例12: create
h160 FakeExtVM::create(u256 _endowment, u256& io_gas, bytesConstRef _init, OnOpFunc const&)
{
Address na = right160(sha3(rlpList(myAddress, get<1>(addresses[myAddress]))));
Transaction t(_endowment, gasPrice, io_gas, _init.toBytes());
callcreates.push_back(t);
return na;
}
开发者ID:caktux，项目名称:cpp-ethereum，代码行数:8，代码来源:vm.cpp
示例13: insert
void MemoryDB::insert(h256 const& _h, bytesConstRef _v)
{
#if DEV_GUARDED_DB
WriteGuard l(x_this);
#endif
auto it = m_main.find(_h);
if (it != m_main.end())
{
it->second.first = _v.toString();
it->second.second++;
}
else
m_main[_h] = make_pair(_v.toString(), 1);
#if ETH_PARANOIA
dbdebug << "INST" << _h << "=>" << m_main[_h].second;
#endif
}
开发者ID:fjl，项目名称:libweb3core，代码行数:17，代码来源:MemoryDB.cpp
示例14: decryptECIES
bool dev::decryptECIES(Secret const& _k, bytesConstRef _sharedMacData, bytesConstRef _cipher, bytes& o_plaintext)
{
bytes io = _cipher.toBytes();
if (!Secp256k1PP::get()->decryptECIES(_k, _sharedMacData, io))
return false;
o_plaintext = std::move(io);
return true;
}
开发者ID:ethereum，项目名称:cpp-ethereum，代码行数:8，代码来源:Common.cpp
示例15: decryptECIES
bool dev::decryptECIES(Secret const& _k, bytesConstRef _cipher, bytes& o_plaintext)
{
bytes io = _cipher.toBytes();
if (!s_secp256k1pp.decryptECIES(_k, io))
return false;
o_plaintext = std::move(io);
return true;
}
开发者ID:AndresAH，项目名称:cpp-ethereum，代码行数:8，代码来源:Common.cpp
示例16: call
bool FakeExtVM::call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256& io_gas, bytesRef _out, OnOpFunc const&, Address _myAddressOverride, Address _codeAddressOverride)
{
Transaction t(_value, gasPrice, io_gas, _receiveAddress, _data.toVector());
callcreates.push_back(t);
(void)_out;
(void)_myAddressOverride;
(void)_codeAddressOverride;
return true;
}
开发者ID:caktux，项目名称:cpp-ethereum，代码行数:9，代码来源:vm.cpp
示例17: decrypt
bool dev::decrypt(Secret const& _k, bytesConstRef _cipher, bytes& o_plaintext)
{
bytes io = _cipher.toBytes();
Secp256k1PP::get()->decrypt(_k, io);
if (io.empty())
return false;
o_plaintext = std::move(io);
return true;
}
开发者ID:ethereum，项目名称:cpp-ethereum，代码行数:9，代码来源:Common.cpp
示例18:
RLP::RLP(bytesConstRef _d, Strictness _s):
m_data(_d)
{
if ((_s & FailIfTooBig) && actualSize() < _d.size())
{
if (_s & ThrowOnFail)
BOOST_THROW_EXCEPTION(OversizeRLP());
else
m_data.reset();
}
if ((_s & FailIfTooSmall) && actualSize() > _d.size())
{
if (_s & ThrowOnFail)
BOOST_THROW_EXCEPTION(UndersizeRLP());
else
m_data.reset();
}
}
开发者ID:bl4ck5un，项目名称:EthBase，代码行数:18，代码来源:RLP.cpp
示例19: appendFile
//追加内容到文件
void dev::appendFile(std::string const& _file, bytesConstRef _data)
{
namespace fs = boost::filesystem;
// create directory if not existent
fs::path p(_file);
if (!fs::exists(p.parent_path()))
{
fs::create_directories(p.parent_path());
DEV_IGNORE_EXCEPTIONS(fs::permissions(p.parent_path(), fs::owner_all));
}
ofstream s(_file, ios::app | ios::binary);
s.write(reinterpret_cast<char const*>(_data.data()), _data.size());
if (!s)
BOOST_THROW_EXCEPTION(FileError() << errinfo_comment("Could not append write to file: " + _file));
DEV_IGNORE_EXCEPTIONS(fs::permissions(_file, fs::owner_read|fs::owner_write));
}
开发者ID:285452612，项目名称:bcos，代码行数:20，代码来源:CommonIO.cpp
示例20: randomWord
static bytes randomWord(bytesConstRef _alphabet, unsigned _min, unsigned _diff, h256* _seed)
{
assert(_min + _diff < 33);
*_seed = sha3(*_seed);
unsigned l = _min + (*_seed)[31] % (_diff + 1);
bytes ret;
for (unsigned i = 0; i < l; ++i)
ret.push_back(_alphabet[(*_seed)[i] % _alphabet.size()]);
return ret;
}
开发者ID:EarthDollar，项目名称:farmer，代码行数:10，代码来源:main.cpp
注：本文中的bytesConstRef类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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