CASP+: Chapter 9A

What is the primary purpose of the SHA-3 algorithm?

• Digital signatures

• Message authentication

• Key exchange

• Hashing

Which cryptographic algorithm was selected by NIST as the replacement for SHA-1 in 2012?

• SHA-256

• MD5

• SHA-1.2

• SHA-3

In which encryption program is RIPEMD utilized?

• PGP

• AES

• RSA

• SHA-256

What is a key characteristic of hashing algorithms regarding the length of their output?

• Variable length

• Random length

• Fixed length

• Infinite length

Which property of hashing ensures that the same input will always produce the same output when hashed using the same algorithm?

• Variable output

• Consistency

• Random output

• Unpredictability

What is a key distribution problem associated with symmetric encryption?

• Ensuring confidentiality of data

• Managing public and private keys

• Safely sharing keys between parties

• Ensuring integrity of transmitted data

Which type of cipher is Salsa20?

• Block

• Stream

• Asymmetric

• Public

Which hashing algorithm is commonly used for hashing passwords but is considered insecure due to its short output length?

• SHA-1

• SHA-256

• MD5

• SHA-3

What analogy is used to describe stream ciphers in relation to data encryption?

• Lock and key

• Puzzle and solution

• Encrypting each letter individually

• Maze and exit

What is the primary purpose of hash algorithms in relation to data integrity?

• Ensuring confidentiality

• Detecting changes

• Enhancing data compression

• Optimizing data transmission