internal static byte[] Encode(byte[] arr, AesEncryptor aesEncryptor, byte sendIdx)
{
bool ziped = false;
if (arr.Length >= 1024)
{
arr = ZLib.Zip(arr);
ziped = true;
}
bool aesed = (new Random().Next() % 10) < 3;
if (aesed)
{
arr = aesEncryptor.Encrypt(arr);
}
int crc32 = 0;
bool crced = (new Random().Next() % 10) < 3;
if (crced)
{
crc32 = Crc.Crc32(arr);
}
int alllen = arr.Length + 1 + 4;
byte[] balllen = BitConverter.GetBytes(alllen);
byte flag = sendIdx;
if (ziped)
{
flag |= 0x80;
}
if (aesed)
{
flag |= 0x40;
}
if (crced)
{
flag |= 0x20;
}
var m2 = BitConverter.GetBytes(crc32);
var os = new MemoryStream();
os.Write(balllen, 0, 4); //allLen
os.WriteByte(flag); //flag
os.Write(m2, 0, 4); //crc
os.Write(arr, 0, arr.Length);
return(os.ToArray());
}
public static byte[] Encode(byte[] arr, AesEncryptor aesEncryptor, byte sendIdx)
{
byte flag = sendIdx;
int crc32 = 0;
if (Enabled_Compress && false)
{
if (arr.Length >= 1024)
{
arr = ZLib.Zip(arr);
flag |= CCC_Compress;
}
}
if (Enabled_Crypto || true)
{
bool aesed = (new Random().Next() % 10) < 3;
if (aesed || true)
{
arr = aesEncryptor.Encrypt(arr);
flag |= CCC_Crypto;
}
}
if (Enabled_Crc)
{
bool crced = (new Random().Next() % 10) < 3;
if (crced)
{
crc32 = Crc.Crc32(arr);
flag |= CCC_Crc;
}
}
int alllen = arr.Length;// + 1 + 4;
byte[] balllen = BitConverter.GetBytes(alllen);
CheckReverse(balllen);
var m2 = BitConverter.GetBytes(crc32);
CheckReverse(m2);
var os = new MemoryStream();
os.Write(balllen, 0, PackHeadSize); //allLen
//os.WriteByte(flag);//flag
//os.Write(m2, 0, 4);//crc
os.Write(arr, 0, arr.Length);
return(os.ToArray());
}