Combining digital watermarks and collusion secure fingerprints for digital images.

1999 - Jörg Schwenk, A. Behr, Jana Dittman, J. Ueberberg, P Schmitt, M. Stabenau

Proc. Electronic Imaging'99, San Jose, USA.

How to securely broadcast a secret.

1999 - Jörg Schwenk,

In: B. Preneel (Ed.): Proceedings Communications an Multimedia Security '99, Kluwer Academic Publishers, 1999.

Public Key Encryption and Digital Signatures based on Permutation Polynomials.

1998 - Jörg Schwenk, Klaus Huber,

Electronics Letters, Vol 34 No. 8, 1998, 759-760.

Establishing a Key Hierarchy for Conditional Access without Encryption.

1996 - Jörg Schwenk,

Proc. IFIP Communications and Multimedia Security 1996, Chapman & Hall, London.

Public Key Encryption and Signature Schemes Based on Polynomials over Zn.

1996 - Jörg Schwenk, J. Eisfeld

Proc. EUROCRYPT 96, Ed. Ueli Maurer, Springer LNCS 1070 (1996), 60-71.

A Classification of Abelian Quasigroups

1995 - Jörg Schwenk,

Rendiconti di Matematica, Serie VII, Volume 15, Roma (1995), 161-172