Introduction to Easy Cryptography

What is the primary purpose of cryptography?

• To create computer viruses

• To secure information

• To increase internet speed

• To design video games

Which of the following is a basic type of cryptographic algorithm?

• Sorting algorithm

• Symmetric encryption

• Machine learning algorithm

• Search algorithm

What is the process of converting plaintext into ciphertext called?

• Decryption

• Encryption

• Compression

• Transmission

Which of the following is a well-known symmetric encryption algorithm?

• RSA

• AES

• SHA-256

• MD5

In cryptography, what does the term "key" refer to?

• A physical key used to open locks

• A password for a computer

• A piece of information used in encryption and decryption

• A type of computer virus

What is the main difference between symmetric and asymmetric encryption?

• Symmetric uses one key, asymmetric uses two keys

• Symmetric is slower than asymmetric

• Asymmetric uses one key, symmetric uses two keys

• Asymmetric is less secure than symmetric

Which of the following is a common use of cryptography in everyday life?

• Cooking recipes

• Securing online transactions

• Writing novels

• Painting

What does the acronym "RSA" stand for in cryptography?

• Random Secure Algorithm

• Rivest-Shamir-Adleman

• Reliable Security Application

• Rapid Security Access

Which of the following is NOT a property of a good cryptographic hash function?

• It is deterministic

• It is reversible

• It is fast to compute

• It is collision-resistant

What is the purpose of a digital signature in cryptography?

• To encrypt data

• To verify the authenticity of a message

• To compress files

• To increase internet speed