

By connecting the last flip-flop back to the first, the data can cycle within the shifters for extended periods, and in this configuration they were used as computer memory, displacing delay-line memory systems in the late 1960s and early 1970s. They share a single clock signal, which causes the data stored in the system to shift from one location to the next. Revisions and additional material are on the homepage of the book.Computer memory unit using cascaded flip-flopsĪ shift register is a type of digital circuit using a cascade of flip-flops where the output of one flip-flop is connected to the input of the next. Paper presented at the Eurocrypt ’86 (1986) Wang, M.Z., Massey, J.L.: The characterisation of all binary sequences with a perfect linear complexity profile. St Denis, T.: Cryptography for Developers. Shoup, V.: NTL: A library for doing number theory. Rueppel, R.A.: Analysis and Design of Stream Chiphers. Perron, O.: In: Die Lehre von den Kettenbrüchen. In: Advances in Cryptology-Eurocrypt ’89. Niederreiter, H.: Keystream sequncence with a good linear complexity profile for every starting point. (eds.) Advances in Cryptology, Eurocrypt ’87. Niederreiter, H.: Sequences with almost perfect linear complexity profile. Meidel, W., Niederreiter, H.: Linear complexity, k-error linear complexity, and the discrete Fourier transform. McGuire, G., Calerbank, A.R.: Proof of a conjecture of Sarwarte and Pursley regarding pairs of binary m-sequences. (ed.) Advances in Cryptology, Eurocrypt ’93. Matsui, M.: Linear cryptanalysis method for DES cipher. Massey, J.L.: Shift-register synthesis and BCH-decoding. Cambridge University Press, Cambridge (1986) Lidl, R., Niederreiter, H.: Introduction to Finite Fields and Their Applications. Technical Report R-285, Coordinated Science Laboratory, University of Illinois, Urbana, April 1966 Kasami, T.: Weight distribution formula for some class of cyclic codes. Kailath, T., Sayed, A.H.: Displacement structure: theory and applications. Helleseth, T., Kumar, P.V.: Sequences with low correlation. Graham, R.L., Knuth, D.E., Patashnik, O.: Concrete Mathematics, 2nd edn. Aegean Park, Laguna Hills, revised edition (1982) Golomb, S.W.: On the classification of balanced binary sequences of period 2 n−1. Gold, R.: Maximal recursive sequences with 3-valued cross-correlation functions. Theory 29, 600 (1983)ĭai, Z.d.: Proof of Rueppel’s linear complexity conjecture. Springer, New York (1995)Ĭheng, U., Golomb, S.W.: On the characterisation of PN sequences.

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