P. Wohlmacher

Introduction to multimedia and security

Klara Nahrstedt, Jana Dittmann, Petra Wohlmacher, 2001, ACM Multimedia.

Multimedia and Security : workshop at ACM Multimedia '99, Orlando, Florida, USA, October 30 - November 5, 1999

Klara Nahrstedt, Jana Dittmann, Petra Wohlmacher, 1999 .

Digital certificates: a survey of revocation methods

Petra Wohlmacher, P. Wohlmacher, 2000, MULTIMEDIA '00.

Using Cryptographic and Watermarking Algorithms

Klara Nahrstedt, Jana Dittmann, Petra Wohlmacher, 2001, IEEE Multim..