Stephan Ehlen

Stephan joined the cryptography team at the German Federal Office for Information Security (BSI) in 2021, where he works on post-quantum cryptography with a focus on lattice-based schemes. He is editor of an amendment to ISO/IEC 18033-2 which will include post-quantum key encapsulation mechanisms and the BSI representative in the French-Germain-Dutch co-chairing team for the EU work stream on PQC. Stephan holds a Ph.D. in pure mathematics (Number Theory) and is an assistant professor (Privatdozent) in Mathematics at University of Cologne in Germany.