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Efficient Implementation of Physical Random Bit Sources

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Two circuit blocks often needed in conjunction with a physical random bit source are a Conditioner and a Health Monitor. The Health monitor is used to make sure that the physical source is generating sufficient entropy and hasn’t failed. The Conditioner concentrates the available entropy and ensures that its output is statistically indistinguishable from true random numbers. Efficient examples of both circuits are proposed that are suitable for FPGA implementations.

This talk is part of the Computer Laboratory Security Seminar series.

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