Define encryption and decryption in the context of data security.

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
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Define encryption and decryption in the context of data security.

Expert Solution
Step 1: Conceptual Introduction:

Encryption and decryption are concepts, in the field of data security.

They are used to protect information from access and ensure its confidentiality and integrity.

Here is a brief overview.

Encryption: Encryption involves converting data into unreadable ciphertext using an algorithm and a key.

The purpose of encryption is to make the data inaccessible to anyone without the correct decryption key.

It adds a layer of security during data transmission and storage.

Decryption: Decryption is the process of encryption, where ciphertext is converted back into plaintext.

Only those with the correct decryption key can perform this process ensuring authorized access to protected information.

Now let’s explore the details of encryption and decryption in relation to data security.

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