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Which of the following is a generator(or primitive element) of the group Z*11

Which of the following is a generator(or primitive element) of the group Z*11

Database System Concepts
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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1. Which of the following is a generator(or primitive element) of the group Z*11

a. 1

b. 3

c. 4

d. 6

QUESTION 21 If Alice computes x using square-and-multiply, she will be able to do fewer operations than by exponentiating naively. How many operations fewer? O 13 O 14 O 15 O 16
Transcribed Image Text:QUESTION 21 If Alice computes x using square-and-multiply, she will be able to do fewer operations than by exponentiating naively. How many operations fewer? O 13 O 14 O 15 O 16
QUESTION 26 Claude Shannon suggested two primitives operations (Confusion and Diffusion) with which strong encryption algorithms can be built. How Diffušion is defined? O An encryption operation where the relationship between key and ciphertext is obscured O An encryption operation where the relationship between key and plaintext is obscured O An encryption operation where the influence of one plaintext symbol is spread over many ciphertext symbols O An encryption operation where the influence of several plaintext symbol is spread over many ciphertext symbols
Transcribed Image Text:QUESTION 26 Claude Shannon suggested two primitives operations (Confusion and Diffusion) with which strong encryption algorithms can be built. How Diffušion is defined? O An encryption operation where the relationship between key and ciphertext is obscured O An encryption operation where the relationship between key and plaintext is obscured O An encryption operation where the influence of one plaintext symbol is spread over many ciphertext symbols O An encryption operation where the influence of several plaintext symbol is spread over many ciphertext symbols
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