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Home » Developing U++ » UppHub » Protect packages - split code encryption,client and server
Re: Protect packages - split code encryption,client and server [message #40441 is a reply to message #40222] Thu, 01 August 2013 16:25 Go to previous messageGo to previous message
Alboni is currently offline  Alboni
Messages: 216
Registered: January 2012
Location: Kajaani, Finland
Experienced Member
Yeah, I did this:

bool PROTECT_WRITE_ACCESS(byte *start, size_t size, bool access)
{
	dword oldProt;
	bool res = VirtualProtect(start, size, access ? PAGE_EXECUTE_READWRITE : PAGE_EXECUTE_READ, &oldProt);
	if (!res)
	{
		Exclamation(::Format("VirtualProtect fail %d (size=%d, access=%d)",(int)GetLastError(), (int)size, (int)access));
	}
	
	return res;
}


but no popup appeared.

The testapp I sent you with the "return" modification applied did run btw. But my big app failed silently on my collegues computer, (works on mine) the non encrypted version works on both.
 
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