in my Mac software I need decrypt a file and, after I do my operations on it, I will remove it. My problem is: Where can I put this file? I don’t want show it to the user.
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in my Mac software I need decrypt a file and, after I do my operations on it, I will remove it. My problem is: Where can I put this file? I don’t want show it to the user.
The following API will give you a directory path that is “out of the way”:
Do you mean “decrypt a file in a place the user can’t access?” Any place your app can write to, the user can see. And in theory, a user can access any bit or byte on a computer to which they have physical access.
There are obfuscations and such that reduce the odds a user will come across sensitive data, but they are meant for particular situations.
Can you tell us more about your end goal here? Are you trying to implement a DRM/copy protection scheme? Are you trying to prevent cheating in a game? Do you just not trust your user? What?