std::string DecryptSymmetrical(const std::string& key, const TBuffer& data) {
assert(key.size() == AES::MAX_KEYLENGTH + AES::BLOCKSIZE);
string result;
result.resize(data.Size());
CFB_Mode<AES>::Decryption cfbDecryption((byte*)key.data(), AES::MAX_KEYLENGTH,
(byte*)key.data() + AES::MAX_KEYLENGTH);
cfbDecryption.ProcessData((byte*)result.data(), (byte*)data.Data(), data.Size());
return result;
}
void TClient::SendOfflineMessage(const string& friendLogin, const TBuffer& data) {
string response;
response.resize(1);
response[0] = RT_SendMessage;
TOfflineMessage offlineMessage;
offlineMessage.set_friendlogin(friendLogin);
offlineMessage.set_encryptedmessage(data.Data(), data.Size());
response += offlineMessage.SerializeAsString();
response = EncryptSymmetrical(State.sessionkey(), Compress(response));
UdtClient->Send(Serialize(response));
}
void TVocaGuiApp::OnCaptcha(const TBuffer& data) {
qDebug() << Q_FUNC_INFO;
QImage captchaImage;
captchaImage.loadFromData((const unsigned char*)data.Data(), data.Size());
emit CaptchaAvailable(captchaImage);
}