| Summary: | 碩士 === 義守大學 === 資訊工程學系 === 100 === Cell phone has become an indispensable device. With the quick development of hardware and software in embedded systems, the functions of cell phone have changed from message passing to mobile and smart platform. Besides the mobile power, cell phone has gradually turned into a media of data storage. However, with the limited storage-capacity in smaller devices, wireless devices depend on cloud service in open area. Therefore, the security and reliability of mobile data-storage has gained more attention. Based on the I-Store concept from The Contest of International University Student Creativity-In-Action in ISU Taiwan, 2007, for the expectation of high portability and wide applications, this study adopted Android system as a platform to implement a system with encrypted and error-correction applications to preserve user data. This system combined multiple functionalities including diversified Advanced Encryption Standard code (DAES) and Reed Solomon error-correction code and random data spreading to enhance this system so that end-users are able to apply it on various applications with high confidence.
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