On Tue, Dec 22, 2009 at 2:14 PM, Sam <[email protected]> wrote:
> Hi all
> This is just a general question about writing to files. Im currently writing 
> an app that requires information to be stored in files at runtime. As its 
> only for my own experience and practice im not worried too much about the 
> security side of things. Im am just curious how I would go about writing to 
> files that could only be read from my application so that other people can 
> not just open the file as a text file and view the details there. I have 
> tried searching online but can not seem to find what i need as im not even 
> sure what im looking to do is called. If someone can point me in the right 
> direction that would be great.

You're after some form of reversible encryption.

A simple one is simply XORing each byte with a known (only to you)
value(s) before writing the data, then XORing it again with the same
values when you read it back.



-- 
PJH

http://shabbleland.myminicity.com/
http://www.chavgangs.com/register.php?referer=9375
http://www.kongregate.com/?referrer=Shabble

Reply via email to