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What is Finding Multiplicative Inverses in GF about?

This document discusses two methods for finding multiplicative inverses in the Galois field GF(28): 1. Using a lookup table, which is fast but requires storing a large pre-computed table. 2. Using the extended Euclidean algorithm, which is slower but does not require storing a large table. It presents the workings of these two methods in detail and compares their performance in terms of time, transistors needed, and complexity. It focuses on multiplication in polynomial arithmetic over GF(28), which is imp

Author
ibrahim
Language
EN