public static CustomRC4Key CreateCustomRC4Key()
{
if (customRC4Key == null)
{
customRC4Key = new CustomRC4Key();
// customRC4Key.BuildDefaultKey();
}
return(customRC4Key);
}
public static int GetDecRC4Len(byte[] src)
{
CustomRC4Key key = CustomRC4Key.CreateCustomRC4Key();
byte[] blen = new byte[4];
blen[0] = src[0];
blen[1] = src[1];
blen[2] = src[2];
blen[3] = src[3];
blen = RC4.Convert(blen, 0);
//key.InputCounterIncrease(blen.Length);
byte[] rblen = new byte[4];
rblen[0] = blen[3];
rblen[1] = blen[2];
rblen[2] = blen[1];
rblen[3] = blen[0];
return(BitConverter.ToInt32(rblen, 0));
}