Although such medium security may deter a casual hacker, the lack of a processor core in the dongle to authenticate data, perform encryption/decryption, and execute inaccessible binary code makes such a passive dongle inappropriate for all but the lowest-priced software. Not all flash drives are suitable for this use, as not all manufacturers install unique serial numbers into their devices. A developer can also use the dongle to store user settings or even a complete 'portable' version of the application. Some software developers use traditional USB flash drives as software license dongles that contain hardware serial numbers in conjunction with the stored device ID strings, which are generally not easily changed by an end-user. The Steinberg Key can be purchased separately from its counterpart applications and generally comes bundled with the 'Syncrosoft License Control Center' application, which is cross-platform compatible with both Mac OS X and Windows. The dongle used by Steinberg's products is also known as a Steinberg Key. An example is the way Kodak licenses Prinergy to customers: When a computer-to-plate output device is sold to a customer, Prinergy's own license cost is provided separately to the customer, and the base price contains little more than the required licenses to output work to the device.USB dongles are also a big part of Steinberg's audio production and editing systems, such as Cubase, WaveLab, Hypersonic, HALion, and others. This is a form of tightly controlled licensing, which allows the vendor to engage in vendor lock-in and charge more than it would otherwise for the product. In cases such as prepress and printing software, the dongle is encoded with a specific, per-user license key, which enables particular features in the target application.
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