What is the primary purpose of a hash function in cryptography?

Fundamentals of Cryptography Quiz

Quiz
•
Information Technology (IT)
•
12th Grade
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To encrypt data for secure transmission
To generate a unique fixed-size output from input data
To decrypt encrypted messages
To create digital signatures
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of a good hash function?
It is reversible
It produces the same output for different inputs
It is deterministic
It requires a key for operation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of a digital signature?
To encrypt data
To verify the authenticity and integrity of a message
To hash data
To generate keys
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which encryption algorithm is known for its use of a public and private key pair?
AES
RSA
DES
SHA-256
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a cipher in the context of cryptography?
A method for storing data
A technique for encoding messages
A type of digital signature
A form of hash function
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a symmetric encryption algorithm?
RSA
ECC
AES
DSA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "cryptographic secrecy" refer to?
The ability to hide the existence of a message
The confidentiality of the encryption key
The process of generating a hash
The use of digital signatures
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