big problem of game server

[ctyjason2]

I don't know it can or not to post this type of question::

my game server use the following code to encrypt the message and send to client ( This code are not code by me )

 Spoiler

std::string EncryptGamePacket(string str)
{
std::string encrypted_string;
std::vector<std::string> buffer;

buffer = split(str, ' ');
encrypted_string += buffer[0].length();

for (int i = 0 ; i < str.length(); i++)
{
if (i == buffer[0].length())
{
int size = str.length() - buffer[0].length();
encrypted_string += size;
}

encrypted_string += str[i] ^ 0xFF;
}

return encrypted_string += 0xFF;
}

And I found that if the str length bigger than 128, the client will receive the wrong message, Anyone know how to solve this problem

Here's two examples:

 Spoiler

Success Example (length:127 message):
Server sent Message:
11111111111111111111111111111111111111111111111111 11111111111111111111111111111111111111111111111111 111111111111111111111111111

Client receive Message:
11111111111111111111111111111111111111111111111111 11111111111111111111111111111111111111111111111111 111111111111111111111111111

Incorrect Example (length:128 message):
Server sent Message:
11111111111111111111111111111111111111111111111111 11111111111111111111111111111111111111111111111111 1111111111111111111111111111

Client receive Message:
88888888888888888888888888888888888888888888888888 88888888888888888888888888888888888888888888888888 8888888888888888888888888888

Anyone know about this problem?
I try my best but I can't solve this. Hope anyone can help!!!

[Nause1231]

1 and 8? Sure? Joke?

[EasyTale]

Because it is not the true game packet encryption from server to client, this above works only for 127 characters, because it is an work around.

[ctyjason2]

Originally Posted by EasyTale

Because it is not the true game packet encryption from server to client, this above works only for 127 characters, because it is an work around.

but any ways to handle > 127 characters??

[0Lucifer0]

Hi i've the same problem... someone know a way to handle > 127?
EDIT:Problem fixed with crypto of waat sources thanks

[FI0w]

waat crypto is too bugy but who cares xD