What does 'brute force attack' in cryptography imply?

Attempting every possible key until the correct one is found

What is a cryptographic hash function used for?

Validating the integrity of data

An algorithm for performing encryption or decryption

What is 'cryptanalysis'?

The art of breaking cryptographic systems

What is the main advantage of asymmetric cryptography over symmetric cryptography?

Does not require secure key exchange

Which of the following best defines a 'digital signature'?

A method for authenticating digital documents

What is Cryptography?

The science of secure communication

What role does a 'nonce' play in cryptography?

It's a number used once to avoid replay attacks

studbud

Crypto Chapter 1

20 termsStudBud Administration14 plays

Imported from external platform

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
What does 'public key' in public key cryptography refer to?
A key that is kept secret by the owner
A key used for decryption only
A key used to encrypt data
A key that is shared with everyone
2
In cryptography, what does 'confidentiality' ensure?
Secrecy of the data
Integrity of the data
Authenticity of the data
Availability of the data
3
Which of these is an asymmetric encryption algorithm?
3DES
Blowfish
DES
RSA
4
What is the primary purpose of encryption?
To enhance data
To compress data
To secure data
To translate data
5
What does 'plaintext' refer to in cryptography?
The algorithm used for encryption
Unencrypted data
Encrypted data
The key used for encryption
6
Which of the following is not a type of cryptographic attack?
Rainbow attack
Chosen-plaintext attack
Known-plaintext attack
Ciphertext-only attack
7
What does 'brute force attack' in cryptography imply?
Attempting every possible key until the correct one is found
Intercepting and modifying data during transmission
Using social engineering to obtain keys
Decrypting data by exploiting algorithm weaknesses
8
In the context of cryptography, what does 'AES' stand for?
Asymmetric Encryption Scheme
Authorized Encryption Service
Advanced Encryption Standard
Automated Encryption System
9
Which of the following is a characteristic of a strong cryptographic algorithm?
Simple mathematical operations
Fast computation on all devices
Resistance to cryptanalysis
Small key sizes
10
What is a cryptographic hash function used for?
Creating a digital signature
Generating keys
Encrypting data
Validating the integrity of data
11
What is a 'cipher'?
A type of cryptographic key
A method for key exchange
An algorithm for performing encryption or decryption
A tool to perform hashing
12
What is 'cryptanalysis'?
The art of breaking cryptographic systems
The process of writing cryptographic algorithms
The practice of designing cryptographic keys
The study of algorithms for encryption
13
What is the main advantage of asymmetric cryptography over symmetric cryptography?
More secure keys
Simpler algorithms
Does not require secure key exchange
Faster computation
14
What is 'key distribution' a challenge for?
Symmetric cryptography
Hash functions
Digital signatures
Asymmetric cryptography
15
Which of the following best defines a 'digital signature'?
A physical signature converted to digital form
A password used to access encrypted data
An encrypted version of a message
A method for authenticating digital documents
16
Which principle is often used in cryptography for enhancing security?
Pareto principle
Moore's law
Newton's third law
Kerckhoffs's principle
17
Which of the following is a symmetric key algorithm?
ECC
SHA-256
AES
RSA
18
What is Cryptography?
The art of creating puzzles
The study of ancient languages
The science of secure communication
The process of hacking into systems
19
In cryptography, what is 'steganography' used for?
Creating digital signatures
Hiding the existence of data
Generating keys
Encrypting text
20
What role does a 'nonce' play in cryptography?
It acts as a private key
It's a tool for key distribution
It's a number used once to avoid replay attacks
It's a type of encryption algorithm

Crypto Chapter 1 Flashcards | StudBud