Journal
ENTROPY
Volume 25, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/e25060854
Keywords
privacy-enhancing technologies; entropy source; wireless and mobile security and privacy; computer engineering; cryptography; cyber security; information security; privacy; security; software engineering
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Privacy and security require reliable and readily available sources of randomness, such as ultra-high energy cosmic rays. We utilized a prototype based on existing muon detection technology to extract random bit sequences from cosmic ray detections. Our results show that this method passed established randomness tests, providing insights into the use of ultra-high energy cosmic rays as an entropy source.
Privacy and security require not only strong algorithms but also reliable and readily available sources of randomness. To tackle this problem, one of the causes of single-event upsets is the utilization of a non-deterministic entropy source, specifically ultra-high energy cosmic rays. An adapted prototype based on existing muon detection technology was used as the methodology during the experiment and tested for its statistical strength. Our results show that the random bit sequence extracted from the detections successfully passed established randomness tests. The detections correspond to cosmic rays recorded using a common smartphone during our experiment. Despite the limited sample, our work provides valuable insights into the use of ultra-high energy cosmic rays as an entropy source.
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