Hacking iOS
Now that we've covered hacking Android, let's discuss the process of hacking iOS and its products.
The Apple architecture
Apple is unique, but like Android, it has several different layers.
iPhone Operating System (iOS) is the platform Apple uses for iPhones, iPads, iPods, and other iDevices. It is an integrated system. Apple does not allow iOS to be implemented on non-Apple devices. iOS is simply an intermediary between the hardware and applications.
Applications are not supposed to try to access hardware directly. Instead, they go through several different layers of the architecture.
The core OS
The system level involves the kernel environment, the drivers, and low-level Unix interfaces of the operating system. iOS provides a set of interfaces for accessing many of the features of the operating systems. When folks create applications, those features are handled through the libSystem library. The interfaces are C-based, which gives us the...