Regarding the Hash algorithm, which one(s) of the following is/are correct, check all that apply.Given a hash of a piece of information, it is hard to recover the original information itself.Given a piece of information, it is hard to find another piece of information that can generate the same hash.O It is theoretically possible, but practically infeasible, to find two pieces of information that generates the same hash.O Hash is unique to a piece of information, there are no any two piece of information that can generate the same hash unless these two pieces of information are identical.

Answered: Regarding the Hash algorithm, which…

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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Regarding the Hash algorithm, which one(s) of the following is/are correct, check all that apply.
Given a hash of a piece of information, it is hard to recover the original information itself.
Given a piece of information, it is hard to find another piece of information that can generate the same hash.
O It is theoretically possible, but practically infeasible, to find two pieces of information that generates the same hash.
O Hash is unique to a piece of information, there are no any two piece of information that can generate the same hash unless these two pieces of information are identical.

Expert Solution

Step 1

Hash Function Properties:

Pre-image Resistance property of the hash function states that it should be computationally hard to reverse a hash function.

Second Pre image Resistance property of the hash function states that given input and its hash, it should be hard to find a different input with the same hash.

Collision Resistance property of the hash function states that it should be hard to find two different inputs of any length that result in the same hash.

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