public static void ToBinaryStream(DataNode mainNode, BinaryWriter writer, DataNodeBinary.BinaryFormat format)
{
writer.Write("DEF2");
switch (format)
{
case DataNodeBinary.BinaryFormat.Simple:
DataNodeBinary.WriteSimpleFormat(mainNode, writer);
break;
case DataNodeBinary.BinaryFormat.SimpleCompresssed:
DataNodeBinary.WriteCompressedFormat(mainNode, writer);
break;
case DataNodeBinary.BinaryFormat.Encrypted:
DataNodeBinary.WriteEncryptedFormat(mainNode, writer);
break;
default:
throw new ArgumentOutOfRangeException("format");
}
}
private static void WriteEncryptedFormat(DataNode mainNode, BinaryWriter writer)
{
writer.Write(3);
using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
{
rijndaelManaged.Key = DataNodeBinary.m_EncryptKey;
rijndaelManaged.IV = DataNodeBinary.m_EncryptVector;
ICryptoTransform cryptoTransform = rijndaelManaged.CreateEncryptor(rijndaelManaged.Key, rijndaelManaged.IV);
using (MemoryStream memoryStream = new MemoryStream())
{
using (CryptoStream cryptoStream = new CryptoStream(memoryStream, cryptoTransform, CryptoStreamMode.Write))
{
BinaryWriter binaryWriter = new BinaryWriter(cryptoStream);
DataNodeBinary.WriteCompressedFormat(mainNode, binaryWriter);
binaryWriter.Flush();
cryptoStream.Flush();
}
memoryStream.Flush();
writer.Write(memoryStream.ToArray());
}
cryptoTransform.Dispose();
}
writer.Flush();
}