/// <summary>
/// Encrypt a packet according to wallet phase.
/// </summary>
/// <param name="packet"></param>
/// <returns></returns>
private string EncryptPacketWallet(string packet)
{
switch (WalletPhase)
{
case "":
return(packet);
case ClassWalletPhase.Restore:
case ClassWalletPhase.Create:
return(packet);
case ClassWalletPhase.Login:
return(packet);
default:
if (AesIvCertificate == null)
{
using (PasswordDeriveBytes password = new PasswordDeriveBytes(WalletAddress + WalletPassword + WalletKey + ClassConnectorSetting.NETWORK_GENESIS_KEY, ClassUtils.GetByteArrayFromString(ClassUtils.FromHex((WalletAddress + WalletPassword + WalletKey + ClassConnectorSetting.NETWORK_GENESIS_KEY).Substring(0, 8)))))
{
AesIvCertificate = password.GetBytes(ClassConnectorSetting.MAJOR_UPDATE_1_SECURITY_CERTIFICATE_SIZE / 8);
AesSaltCertificate = password.GetBytes(16);
}
}
return(ClassAlgo.GetEncryptedResult(ClassAlgoEnumeration.Rijndael, packet + "|" + ClassUtils.DateUnixTimeNowSecond(), ClassWalletNetworkSetting.KeySize, AesIvCertificate, AesSaltCertificate)); // AES
}
}
/// <summary>
/// Send packet to seed node.
/// </summary>
/// <param name="packet"></param>
/// <param name="certificate"></param>
/// <param name="isSeedNode"></param>
/// <param name="isEncrypted"></param>
/// <returns></returns>
public async Task <bool> SendPacketToSeedNodeAsync(string packet, string certificate, bool isSeedNode = false,
bool isEncrypted = false)
{
if (!ReturnStatus())
{
return(false);
}
try
{
using (var _connectorStream = new NetworkStream(_connector.Client))
{
using (var bufferedNetworkStream = new BufferedStream(_connectorStream, ClassConnectorSetting.MaxNetworkPacketSize))
{
// 10/08/2018 - MAJOR_UPDATE_1_SECURITY
if (ClassConnectorSetting.MAJOR_UPDATE_1_SECURITY) // SSL Layer for Send packet.
{
if (isEncrypted)
{
if (AesIvCertificate == null)
{
using (PasswordDeriveBytes password = new PasswordDeriveBytes(certificate, ClassUtils.GetByteArrayFromString(ClassUtils.FromHex(certificate.Substring(0, 8)))))
{
AesIvCertificate = password.GetBytes(ClassConnectorSetting.MAJOR_UPDATE_1_SECURITY_CERTIFICATE_SIZE / 8);
AesSaltCertificate = password.GetBytes(16);
}
}
using (ClassSeedNodeConnectorObjectSendPacket packetObject = new ClassSeedNodeConnectorObjectSendPacket(ClassAlgo.GetEncryptedResult(ClassAlgoEnumeration.Rijndael, packet, ClassConnectorSetting.MAJOR_UPDATE_1_SECURITY_CERTIFICATE_SIZE, AesIvCertificate, AesSaltCertificate) + "*"))
{
await bufferedNetworkStream.WriteAsync(packetObject.packetByte, 0, packetObject.packetByte.Length);
await bufferedNetworkStream.FlushAsync();
}
}
else
{
if (isSeedNode)
{
using (ClassSeedNodeConnectorObjectSendPacket packetObject = new ClassSeedNodeConnectorObjectSendPacket(packet + "*"))
{
await bufferedNetworkStream.WriteAsync(packetObject.packetByte, 0, packetObject.packetByte.Length);
await bufferedNetworkStream.FlushAsync();
}
}
else
{
using (ClassSeedNodeConnectorObjectSendPacket packetObject = new ClassSeedNodeConnectorObjectSendPacket(packet))
{
await bufferedNetworkStream.WriteAsync(packetObject.packetByte, 0, packetObject.packetByte.Length);
await bufferedNetworkStream.FlushAsync();
}
}
}
}
}
}
}
catch (Exception error)
{
#if DEBUG
Console.WriteLine("Error to send packet on seed node: " + error.Message);
#endif
_isConnected = false;
return(false);
}
return(true);
}