bool GetEncryptedPassword()
{
var msg = Protocol.GetEncryptedPassword(_timestamp, _ski, _sessionKey);
var response = _sslClient.SendAndReceive(msg, _settings.VcasServer, _settings.VcasPort + 1, false);
if (response == null || response.Length <= 8)
{
_logger.Error("Failed to GetEncryptedPassword, no valid response!");
return(false);
}
var encryptedPassword = response.Skip(4).Take(response.Length - 4).ToArray();
var decrypted = RC4.Decrypt(_sessionKey, encryptedPassword);
var passwordHex = Encoding.ASCII.GetString(decrypted.Skip(4).ToArray());
_logger.Info($"GetEncryptedPassword completed: {passwordHex}");
return(true);
}
bool LoadKeyBlock()
{
var hash = GenerateSignedHash();
var msg = Protocol.LoadKeyBlock(_timestamp, _ski, hash, _sessionKey);
var response = _sslClient.SendAndReceive(msg, _settings.VksServer, _settings.VksPort, false);
if (response == null || response.Length < 10)
{
_logger.Error("Failed to GetAllChannelKeys, no valid response!");
return(false);
}
var encrypted = response.Skip(4).ToArray();
var decrypted = RC4.Decrypt(_sessionKey, encrypted);
File.WriteAllBytes(KeyblockFile, decrypted);
_logger.Info($"GetAllChannelKeys completed: {decrypted.Length} bytes");
return(true);
}
