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♫ Somewhere Over The Rainbow ♫ … There’s A Hard Problem

An introduction to multivariate cryptography

Prof Bill Buchanan OBE FRSE
5 min readSep 20, 2020

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My routine for solving a research problem is to read up on it in the evening, and find key research papers and presentations, and get up between 5 and 6 am, and — often — I have the solution. Here’s my 6 am doodles from this morning on multivariate cryptography:

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Prof Bill Buchanan OBE FRSE

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.