Session assessment

Which of the following is/are cryptographic tool

• GPG

• PGP

• BitLocker

• TCP/IP

• openSSL

How can you list the available cryptographic algorithms on gpg tool

• gpg --list-algo

• gpg --version

• gpg --algorithms

• gpg --algo-lists

What is the main difference between symmetric-key and public-key cryptography?

• Symmetric-key cryptography is more secure than public-key cryptography.

• Symmetric key cryptography is used in ecommerce while public-key cryptography is use din military communication

• Symmetric key cryptography uses one key for both encryption and decryption while public-key cryptography use two different keys but mathematically related

• Symmetric key cryptography is based on number theory while public-key cryptography is base don complex theory

Which of the following is NOT a core concept related to information security that is central to cryptography?

• Data confidentiality

• Data Integrity

• Data Availability

• Autehntication

Which of the following is/are symmetric-key algorithm(s)?

• Blowfish

• DES

• Diffie-Hellmann

• MD5

Which of the following is/are public-key algorithm(s)?

• RSA

• DES

• El Gamal

• DSA

Which of the following is/are hashing algorithms?

• MD4

• DES

• SHA-1

• SHA-256

• DSA

Which of the following is/are symmetric-key algorithm(s)?

• RSA

• DSA

• AES

• SHA-256

Which of the following is used to encrypt a message in symmetric key cryptography?

• Secret key

• Private key

• Public Key

• Salt

Which of the following is used to encrypt a message in asymmetric key cryptography?

• Secret key

• Private key

• Public Key

• Salt