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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 #40479 is a reply to message #40222] Wed, 07 August 2013 03:31 Go to previous messageGo to previous message
Alboni is currently offline  Alboni
Messages: 214
Registered: January 2012
Location: Deventer, Netherlands
Experienced Member
I inspected the lines that were altered.

a-b+c sometimes gets interpreted as (a-b)+c and sometimes as a-(b+c) wich yelds a different result.

So I tried using ( ) on this line: (274)
	PROTECT_OBFUSCATE(__startPtr, __endPtr - __startPtr + 2, __keyPtr, 16); \


The version below doesn't crash on my pc, but I don't know if this is what was intended.
	PROTECT_OBFUSCATE(__startPtr, __endPtr - (__startPtr + 2), __keyPtr, 16); \


If I do the same on Encrypt it does crash, so that suggest not.
In any case is it helpful to use ( ) to not let the compiler decide.
 
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