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Digital Signatures Quiz

Authored by ra ar

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University

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Digital Signatures Quiz
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a digital signature?

Encrypting messages

Verifying the authenticity and integrity of a message

Compressing data

Generating random numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of cryptography is used in creating digital signatures?

Symmetric key cryptography

Asymmetric key cryptography

Hash functions

Steganography

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In asymmetric cryptography, what are the two types of keys used?

Encryption key and decryption key

Public key and private key

Symmetric key and asymmetric key

Hash key and cipher key

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who has access to the private key in a digital signature system?

Everyone

Only the sender

Only the receiver

A trusted third party

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What ensures that a digital signature cannot be forged?

The complexity of the algorithm

The secrecy of the private key

The length of the message

The use of hash functions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of a hash function in digital signatures?

To encrypt the message

To compress the message

To create a unique fixed-size representation of the message

To generate keys

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it computationally infeasible to find two different messages with the same hash value?

Because of the length of the hash

Due to the design of cryptographic hash functions

Because of the use of private keys

Due to the encryption process

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