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Erschienen in:
1990 | OriginalPaper | Buchkapitel
On the Linear Consistency Test (LCT) in Cryptanalysis with Applications
verfasst von : Kencheng Zeng, C. H. Yang, T. R. N. Rao
Erschienen in: Advances in Cryptology — CRYPTO’ 89 Proceedings
Verlag: Springer New York
Enthalten in: Professional Book Archive
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In this paper, we give at first a precise estimation for the consistency probability of a system of linear algebraic equations Ax = b with random m × n coefficient matrix A, m > n, and fixed non-zero right side b. A new test in cryptanalysis is then formulated on the basis of the estimation and applied to at- tack the multiplexing generator of Jennings (1980) and the multiple-speed gen- erator of Massey-Rueppel (1984). Some security remarks concerning the perfect linear cipher of the latter authors are also made.