Computation of CRC: Cyclic redundancy check, Mathematics of CRC - Tapa blanda

Computation of CRC : Cyclic redundancy check, Mathematics of CRC

Taschenbuch. Condición: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Computation of a cyclic redundancy check is derived from the mathematics of polynomial division, modulo two. In practice, it resembles long division of the binary message string, with a fixed number of zeroes appended, by the 'generator polynomial' string except that exclusive OR operations replace subtractions. Division of this type is efficiently realised in hardware by a modified shift register, and in software by a series of equivalent algorithms, starting with simple code close to the mathematics and becoming faster (and arguably more obfuscated) through byte-wise parallelism and space-time tradeoffs. Nº de ref. del artículo: 9786137312995

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