An energy and area efficient, all digital entropy source compatible with modern standards based on jitter pipelining
Keywords:TRNG, Entropy, AIS-31, NIST SP 800-90B
This paper proposes an energy and area efficient entropy source, suitable for true random number generation, accompanied with a stochastic model in a 28nm CMOS technology. The design uses a jitter pipelining architecture together with an increased timing resolution to achieve a maximal throughput of 298 Mbit/s and a best energy efficiency of 1.46 pJ/bit at a supply of 0.8V. The generated random bits pass the NIST SP 800-90B IID tests with a min entropy rate of 0.933 bit/bit, which is more than required by the AIS-31 standard. The all digital design allows for effortless transfer to other technology nodes, taking advantage of all benefits related to further technology scaling.
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Copyright (c) 2022 Adriaan Peetermans, Ingrid Verbauwhede
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