An active attack on a multiparty key exchange protocol

  • Reto Schnyder
  • Juan Antonio López-Ramos
  • Joachim Rosenthal
  • Davide Schipani
Keywords: Multiparty key exchange, Active attacks, Group actions

Abstract

The multiparty key exchange introduced in Steiner et al. and presented in more general form by the authors is known to be secure against passive attacks. In this paper, an active attack is presented assuming malicious control of the communications of the last two users for the duration of only the key exchange.

Published
2016-01-15
Section
Articles