| 2010 | PQCrypto | Key Exchange and Encryption Schemes Based on Non-commutative Skew Polynomials. | Delphine Boucher, Philippe Gaborit, Willi Geiselmann, Olivier Ruatta, Felix Ulmer |
| 2007 | EuroCrypt | Non-wafer-Scale Sieving Hardware for the NFS: Another Attempt to Cope with 1024-Bit. | Willi Geiselmann, Rainer Steinwandt |
| 2007 | ICISC | Cryptanalysis of a Hash Function Proposed at ICISC 2006. | Willi Geiselmann, Rainer Steinwandt |
| 2006 | ICISC | A Simpler Sieving Device: Combining ECM and TWIRL. | Willi Geiselmann, Fabian Januszewski, Hubert Kpfer, Jan Pelzl, Rainer Steinwandt |
| 2005 | CHES | Scalable Hardware for Sparse Systems of Linear Equations, with Applications to Integer Factorization. | Willi Geiselmann, Adi Shamir, Rainer Steinwandt, Eran Tromer |
| 2004 | ISIT | Attacks on a secure group communication scheme with hierarchical access control. | Willi Geiselmann, Rainer Steinwandt |
| 2003 | CHES | Hardware to Solve Sparse Systems of Linear Equations over GF(2). | Willi Geiselmann, Rainer Steinwandt |
| 2003 | GI | On the security of cryptographic primitives regarding technological innovations. | Willi Geiselmann, Rainer Steinwandt |
| 2003 | PKC | A Dedicated Sieving Hardware. | Willi Geiselmann, Rainer Steinwandt |
| 2001 | PKC | Cryptanalysis of Two Sparse Polynomial Based Public Key Cryptosystems. | Feng Bao, Robert H. Deng, Willi Geiselmann, Claus-Peter Schnorr, Rainer Steinwandt, Hongjun Wu |
| 2001 | PKC | Redundant Representation of Finite Fields. | Willi Geiselmann, Harald Lukhaub |
| 2000 | CRYPTO | Weaknesses in the SL | Rainer Steinwandt, Markus Grassl, Willi Geiselmann, Thomas Beth |
| 1996 | ASIACRYPT | Correlation Attacks on Cascades of Clock Controlled Shift Registers. | Willi Geiselmann, Dieter Gollmann |
| 1996 | FSE | A Note on the Hash Function of Tillich and Zmor. | Willi Geiselmann |
| 1991 | ISSAC | Finding (good) Normal Bases in Finite Fields. | Thomas Beth, Willi Geiselmann, F. Meyer |
| 1990 | ASIACRYPT | VLSI Design for Exponentiation in GF (2 | Willi Geiselmann, Dieter Gollmann |