Simple new encryption system might fob off credit card forgers.
References
Pappu, R., Recht, B., Taylor, Y. & Gershenfeld, N. Physical one-way functions. Science, 297, 2026 - 2030, (2002).
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Ball, P. Cheap trick secures secrets. Nature (2002). https://doi.org/10.1038/news020916-15
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DOI: https://doi.org/10.1038/news020916-15
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