Security Weaknesses in a Randomized Stream Cipher

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.

• Type: Conference
• Year: 2000
• Where: ACISP
• Authors: Niels Ferguson, Bruce Schneier, David Wagner
• Keywords: ACISP 2000, Maurer’s Randomised Cipher, Security Privacy, TriStrata Version