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Title:
Robust, low-cost, auditable random number generation for embedded system security
Authors: Ben Lampert, Riad S. Wahby, Shane Leonard, Philip Levis
Abstract:This paper presents an architecture for a discrete, high-entropy hardware random number generator. Because it is constructed out of simple hardware components, its operation is transparent and auditable. Using avalanche noise, a nondeterministic physical phenomenon, the circuit is inherently probabilistic and resists adversarial control. Furthermore, because it compares the outputs from two matched noise sources, it rejects environmental disturbances like power supply ripple. The resulting hardware produces more than 0.98 bits of entropy per sample, is inexpensive, has a small footprint, and can be disabled to conserve power when not in use.
ePrint: https://eprint.iacr.org/2016/884
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