Security Weaknesses in Maurer-Like Randomized Stream Ciphers

N. Ferguson, B. Schneier, and D. Wagner

Fifth Australasian Conference on Information Security and Privacy (ACISP 2000), to appear.

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.

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