4 Chapter 2: Problem 4Previous ProblemProblem ListNext ProblemResults for this submissionEnteredAnswer PreviewResult001111001111incorrect101000101000incorrectAt least one of the answers above is NOT correct.Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzl.Suppose you have an LFSR with 6 state bits. The first 12 bits of output produced by this LFSR are100101011101 = so S1 82 83 S4 S5 S6 57 S8 S9 S10 S11.The first bit produced is the leftmost bit and the bit most recently produced is the rightmost bit.a) What is the initial state of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent$5 = 0, s4 = 1, s3 = 0, s2 = 1, s1 = 0, so = 1).001111b) What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to representPs = 0, p4 = 1, p, = 0, p2 = 1, p = 0, po = 1).101000

Answer: I have given answered in the handwritten format in brief explanation

Entered Answer Preview Result 001111 001111 incorrect 101000 101000 incorrect At least one of the answers above is NOT correct. Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzl. Suppose you have an LFSR with 6 state bits. The first 12 bits of output produced by this LFSR are 100101011101 = so 51 $2 83 84 85 S6 87 8g S9 S10 $ 11 · The first bit produced is the leftmost bit and the bit most recently produced is the rightmost bit. a) What is the initial state of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent $5 = 0, s4 = 1, s3 = 0, s2 = 1, s1 = 0, so = 1). 001111 b) What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent Ps = 0, p4 = 1, p3 = 0, p2 = 1, p1 = 0, po = 1). 101000

Entered Answer Preview Result 001111 001111 incorrect 101000 101000 incorrect At least one of the answers above is NOT correct. Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzl. Suppose you have an LFSR with 6 state bits. The first 12 bits of output produced by this LFSR are 100101011101 = so 51 $2 83 84 85 S6 87 8g S9 S10 $ 11 · The first bit produced is the leftmost bit and the bit most recently produced is the rightmost bit. a) What is the initial state of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent $5 = 0, s4 = 1, s3 = 0, s2 = 1, s1 = 0, so = 1). 001111 b) What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent Ps = 0, p4 = 1, p3 = 0, p2 = 1, p1 = 0, po = 1). 101000

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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Question

Chapter 2: Problem 4
Previous Problem
Problem List
Next Problem
Results for this submission
Entered
Answer Preview
Result
001111
001111
incorrect
101000
101000
incorrect
At least one of the answers above is NOT correct.
Note: The notation from this problem is from Understanding Cryptography by Paar and Pelzl.
Suppose you have an LFSR with 6 state bits. The first 12 bits of output produced by this LFSR are
100101011101 = so S1 82 83 S4 S5 S6 57 S8 S9 S10 S11.
The first bit produced is the leftmost bit and the bit most recently produced is the rightmost bit.
a) What is the initial state of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent
$5 = 0, s4 = 1, s3 = 0, s2 = 1, s1 = 0, so = 1).
001111
b) What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 010101 to represent
Ps = 0, p4 = 1, p, = 0, p2 = 1, p = 0, po = 1).
101000

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