Columbian Onchip designed a TRNG peripheral into their microcontroller. They use a ring oscillator with seemingly simple postprocessing. Their paper:
https://github.com/onchipuis/mriscv/blob/master/fully-synthesized-trng.pdf Referenced paper looking at ring oscillators: http://web.eecs.umich.edu/faculty/blaauw/images/pdfs/YangAnAllDigitalEdge2016.pdf Their campaign update: https://www.crowdsupply.com/onchip/open-v/updates/open-true-random-number-generator _______________________________________________ Tech mailing list Tech@cryptech.is https://lists.cryptech.is/listinfo/tech
