![]() ![]() The bit positions that affect the next state are called the taps. 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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