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- W1902291966 abstract "The recent trends towards global networking and mobile computing have led to the proliferation of wireless networks which enable users to remain connected to the global web without being tied down to a fixed, wired link. The portable nature of these applications requires the development of energy-efficient hardware that is capable of providing a wide range of functionality in an energy-constrained environment that exhibits time-varying quality requirements. This work proposes utilizing an adaptive, energy-scalable approach that exposes the systems' energy source to the hardware so that it can dynamically adjust its operating point in order to satisfy the current system operating requirements. Thus, the energy consumption of the system is based on the average-case as opposed to the worst-case, leading to substantial improvements in the system's operating lifetime from a finite energy source. These results are verified through the development of an Energy Scalable Encryption Processor (ESEP) that features a high-efficiency embedded variable-output power converter. In addition, the lack of a coherent wireless network security architecture has resulted in many different types of cryptographic primitives being used, requiring some form of algorithm agility in order to maximize the portable systems' utility. Existing solutions are found to be inadequate: software is flexible but energy-intensive, hardware is energy-efficient but not algorithm agile, and programmable logic incurs too much overhead to be considered energy-efficient. This work proposes a restricted form of reconfigurability, denoted domain-specific reconfigurability, that enables the required range of functionality (i.e., asymmetric cryptography) to be implemented without incurring the high overhead associated with conventional programmable logic-based solutions (e.g., FPGA's). The benefits of this approach are verified through the development of the Domain Specific Reconfigurable Cryptographic Processor (DSRCP) which provides all of the flexibility of a software-based solution, while achieving, and in some instances surpassing, the energy efficiency of a dedicated hardware-based solution in the domain of interest. (Copies available exclusively from MIT Libraries, Rm. 14-0551, Cambridge, MA 02139-4307. Ph. 617-253-5668; Fax 617-253-1690.)" @default.
- W1902291966 created "2016-06-24" @default.
- W1902291966 creator A5000609644 @default.
- W1902291966 creator A5084128470 @default.
- W1902291966 date "2000-01-01" @default.
- W1902291966 modified "2023-09-24" @default.
- W1902291966 title "Energy scalable reconfigurable cryptographic hardware for portable applications" @default.
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