Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzi. We conduct a known-plaintext attack against an LFSR. Through trial and error we have determined that the number of states is m = 4. The plaintext given by 01110111 = #9ª1E2%3X4T5X6X7 when encrypted by the LFSR produced the ciphertext 00001101 = Y03Y192Y3Y3Y5Y%Y7 - What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 0101 to represent p3 = 0, P2 = 1, p1 = 0, Po = 1).
Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzi. We conduct a known-plaintext attack against an LFSR. Through trial and error we have determined that the number of states is m = 4. The plaintext given by 01110111 = #9ª1E2%3X4T5X6X7 when encrypted by the LFSR produced the ciphertext 00001101 = Y03Y192Y3Y3Y5Y%Y7 - What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 0101 to represent p3 = 0, P2 = 1, p1 = 0, Po = 1).
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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