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Cryptography General Interview Question:
What is a Linear Feedback Shift Register?
Submitted by: AdministratorA Linear Feedback Shift Register (LFSR) is a mechanism for generating a sequence of binary bits. The register consists of a series of cells that are set by an initialization vector that is, most often, the secret key. The behavior of the register is regulated by a clock and at each clocking instant, the contents of the cells of the register are shifted right by one position, and the exclusive-or of a subset of the cell contents is placed in the leftmost cell. One bit of output is usually derived during this update procedure.
Submitted by: Administrator
Submitted by: Administrator
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