Both hardware and software implementations of LFSRs are common. The most commonly used linear function of single bits is exclusive-or (XOR), and the shift register has an input bit driven by the XOR of some bits of the overall shift register value. ![]() LFSRs have numerous applications including cryptography, for example, where they are used for key stream generators, data compression, error detection and correction, etc.Ī LFSR is a shift register whose input bit is a linear function of its previous state. ![]() In the field of digital electronic circuits, a linear feedback shift register (LFSR) is a device for generating sequences of 2 n−1 pseudo-random bits. The present invention relates to feedback shift registers, and more specifically, to a non-linear feedback shift register with maximal or near-maximal length sequences.
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