Ronald John Fitzgerald Cramer (born 3 February 1968 in Haarlem) is a professor at the

Centrum Wiskunde & Informatica The (abbr. CWI; English: "National Research Institute for Mathematics and Computer Science") is a research centre in the field of mathematics and theoretical computer science. It is part of the institutes organization of the Dutch Research C ...

(CWI) in Amsterdam and the

University of Leiden Leiden University (abbreviated as ''LEI''; nl, Universiteit Leiden) is a public research university in Leiden, Netherlands. The university was founded as a Protestant university in 1575 by William, Prince of Orange, as a reward to the city of L ...

. He obtained his PhD from the

University of Amsterdam The University of Amsterdam (abbreviated as UvA, nl, Universiteit van Amsterdam) is a public research university located in Amsterdam, Netherlands. The UvA is one of two large, publicly funded research universities in the city, the other bein ...

in 1997. Prior to returning to the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

he was at the University of Aarhus. He is best known for his work with Victor Shoup on chosen ciphertext secure encryption in the standard model, in particular the Cramer–Shoup encryption scheme. Cramer became a member of the

Royal Netherlands Academy of Arts and Sciences The Royal Netherlands Academy of Arts and Sciences ( nl, Koninklijke Nederlandse Akademie van Wetenschappen, abbreviated: KNAW) is an organization dedicated to the advancement of science and literature in the Netherlands. The academy is housed ...

in 2013. He is member of the advisory board of the German Center for Advanced Security Research Darmstadt CASED.

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* * * {{DEFAULTSORT:Cramer, Ronald 1968 births Living people Dutch computer scientists Modern cryptographers University of Amsterdam alumni Academic staff of Leiden University Scientists from Haarlem Members of the Royal Netherlands Academy of Arts and Sciences