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Programming Wireless Devices with the Java™ 2 Platform, Micro Edition, Second Edition by Jim Holliday - Editor, Aleksi Uotila, Mark Patel, Jyri Huopaniemi, Jim Van Peursem, Antero Taivalsaari, Roger Riggs

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18.3. Trusted MIDlet Suite Security Model

Today, many functions are provided by applications built into the device. Trust in the applications comes from trust in the device manufacturer and network operator who are clearly identified.

Consumers also need to know and trust downloadable applications and their sources. The MIDP Specification version 2.0 introduces the concept of trusted MIDlet suites, which provides a level of authentication that allows the users to have such confidence. A trusted MIDlet suite is one for which the source, authenticity, and integrity of the JAR can be reliably determined by the device.

The procedure for determining whether a MIDlet suite is trusted is device-specific. Some devices might trust only MIDlet suites obtained ...

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