iPhone OS: Setup an additional Security Layer

As you might already know the iPhone is itself not that secure that people might think (news is german):


How do you prevent intrusion of your customers data? As a really pragmatic approach, we can just set up additional encryption for our application data:


So if you use for example core data, then on application start you decrypt the database and after termination encrypt it, using the AES class. These are only some basic thoughts and I think that you are better of using higher encryption like blowfish 448bit or even combine it with AES256bit. These encryption is

Your data might live now a little bit securer, but to prevent also code intrusion, you REALLY should strip symbols and obfuscate your code:


and never ever store any secrets or keys in your code!

Also there are some nice reads from Apple you might consider looking at:



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