COMPUTER FUNDAMENTALS

Detailed explanation-1: -Cryptography is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. The term is derived from the Greek word kryptos, which means hidden.

Detailed explanation-2: -Symmetric encryption requires that both the sender and receiver have the same key and each computes a common key that is subsequently used. Two of the most common symmetric encryption standards are known as Data Encryption Standard (DES) and Advanced Encryption Standard (AES).

Detailed explanation-3: -Cryptography and its Types Cryptography is the practice and study of techniques for securing communications, information, and data in an unreadable format for unauthorized users. It protects information and communications through codes so only those for whom the information is intended can read and process it.

Detailed explanation-4: -Cryptology is the science of secure communications. Cryptography creates messages with hidden meaning; cryptanalysis is the science of breaking those encrypted messages to recover their meaning.