/// <summary>
/// simple xor encoding for Gstats,GPSP,GPCM
/// </summary>
/// <param name="plaintext"></param>
/// <param name ="enc0">default encryption string used in GPSP,GPCM</param>
/// <param name ="enc1">used in GStats</param>
/// <param name ="enc2">used in GStats</param>
/// <param name="type"></param>
/// <returns></returns>
public static byte[] Encode(byte[] plaintext, XorType type)
{
string seed0 = "gamespy";
string seed1 = "GameSpy3D";
string seed2 = "Industries";
string seed3 = "ProjectAphex";
int length = plaintext.Length;
int index = 0;
byte[] temp;
switch (type)
{
case XorType.Type0:
temp = UniSpyEncoding.GetBytes(seed0);
break;
case XorType.Type1:
temp = UniSpyEncoding.GetBytes(seed1);
break;
case XorType.Type2:
temp = UniSpyEncoding.GetBytes(seed2);
break;
case XorType.Type3:
temp = UniSpyEncoding.GetBytes(seed3);
break;
default:
temp = UniSpyEncoding.GetBytes(seed0);
break;
}
for (int i = 0; length > 0; length--)
{
if (i >= temp.Length)
{
i = 0;
}
plaintext[index++] ^= temp[i++];
}
return(plaintext);
}
public static string Encode(string plainText, XorType type)
{
return
(UniSpyEncoding.GetString(
Encode(UniSpyEncoding.GetBytes(plainText), type)));
}