Education
He obtained his Doctor of Philosophy from the University of Amsterdam in 1997.
cryptographer computer scientist
He obtained his Doctor of Philosophy from the University of Amsterdam in 1997.
Prior to returning to the Netherlands 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.
He is member of the advisory board of the German Center for Advanced Security Research Darmstadt CASED.