Answered: how did secret key cryprograhy get…

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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how did secret key cryprograhy get attacked?

Expert Solution

Step 1

Secret key cryptography is the mechanism of encryption and decryption of data using the same key. Therefore, to communicate a message among parties, it is mandatory to keep the key secret.

The key which needs to be shared by parties, such a cryptographic is called Symmetric-Key Cryptography.

The attacks on the Asymmetric cryptographic System fall under three main categories. These are:

Brute force, Key Search attacks
Cryptanalysis
System-based attacks

Key Search Attacks

This attack is focused on decrypting the message using every possible key. Although the Maximum attempts fail, among them one might work. The attacker can't be prevented by decrypting messages in every possible way. This attack is not very efficient.

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