Security Weaknesses in a Randomized Stream Cipher

Download PDF
Open Webpage

Niels Ferguson, Bruce Schneier, David A. Wagner

Published: 2000, Last Modified: 14 May 2025ACISP 2000EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: TriStrata appears to have implemented a variation of Maurer’s randomised cipher. We define a variation of Maurer’s cipher that appears to be similar to the TriStrata version, and show several cryptanalytical attacks against our variant.