A True Random Number Generator with Time Multiplexed Sources of Randomness
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A true random number generator (TRNG) with time multiplexed metastability-based sources of randomness, presented in this paper, is capable of generating random bit sequences formed from noise present in the electronic circuit. An incorporated time multiplexer interleaves digitized random signals coming from sources of randomness and increases output data rate. The proposed TRNGwas fabricated in a STMicroelectronics 130 nm bulk CMOS technology on an area of 0.029mm2. The quality of all random bit sequences has been verified by the FIPS and NIST statistical test suites. The fabricated TRNG generates random bit sequences up to the data rate of 20 Mb/s without any corrective mechanisms at power consumption of 72.48 uW. The changing environmental conditions do not influence the quality of random bit sequences.
KeywordsTrue random number generator (TRNG), source of randomness, time multiplexer, integrated circuit (IC), statistical test
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2018 vol. 27, č. 3, s. 796-805. ISSN 1210-2512
- 2018/3