Quiz 6
Unlocking Cryptographic Knowledge
Test your knowledge of cryptography with our engaging quiz! Discover key concepts, definitions, and techniques in the fascinating world of cryptography.
Whether you're a student, a professional, or simply curious, this quiz will challenge you with questions on:
- Encryption standards
- Ciphers and their types
- Key management and distribution
- Common attack techniques
How many possible keys exist in a 4-bit key space?
16
4
8
256
John recently received an email message from Bill. What cryptographic goal would ned to be met to convince John that Bill was actually the sender of the message?
Availability
Integrity
Nonrepudiation
Confidentiality
What is the length of the cryptographic key used in the Data Encryption Standard (DSE) cryptosystem?
256 bits
56 bits
192 bits
128 bits
What type of cipher relies on changing the location of characters within a message to achieve confidentiality?
Stream cipher
Substitution cipher
Transposition cipher
Block cipher
Which one of the following cannot be achieved by a secret key cryptosystem?
Confidentiality
Key distribution
Availability
Nonrepudiation
When correctly implemented, what is the only cryptosystem known to be unbreakable?
Advanced Encryption Standard
Transportation cipher
One-time pad
Substitution cipher
Which one of the following cipher types operates on large pieces of a message rather than individual characters or bits of a message?
ROT3 cipher
Caesar cipher
Stream cipher
Block cipher
What is the minimum number of cryptographic keys required for secure two-way communications in symmetric key cryptograhy?
Two
Four
Three
One
Dave is developing a key escrow system that requires multiple people to retrieve a key but does not depend on every participant being present. What type of technique is he using?
Zero-knowledge proof
Work function
M of N Control
Split knowledge
Which one of the following Data Encryption Standard (DES) operating modes can be used for large messages with the assurance that an error early in the encryption/decryption process won't spoil results throughout the communication?
Output Feedback (OFB)
Cipher Block Chaining (CBC)
Cipher Feedback (CFB)
Electronic Codebook (ECB)
Many cryptographic algorithms rely on the difficulty of factoring the product of large prime numbers. What. Characteristic of this problem are they relying on?
It contains diffusion.
It is one-way function.
It complies with Kerchoff's principle.
It contains confusion.
How many keys are required to fully implement a symmetric algorithm with 10 participants?
45
100
20
10
What kind of attack makes the Caesar cipher virtually unusable?
Frequency analysis attack
Transposition attack
Meet-in-the-middle attack
Escrow attack
What type of cryptosystem commonly makes use of a passage from a well-known book for the encryption key?
Running key cipher
Twofish cipher
Vernam cipher
Skipjack cipher
How many encryption keys are required to fully implement an asymmetric algorithm with 10 participants?
20
100
10
45
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