12th Grade Cryptography Quizzes, Questions & Answers

12th Grade

Top Trending Cryptography Quizzes

Explore key concepts in SECURITY + CRYPTOGRAPHY with this engaging quiz. Assess your understanding of cryptographic categories, cipher types, checksums, password security, frequency analysis, and hashing. Ideal for learners...

Questions: 30 | Attempts: 3174 | Last updated: Apr 9, 2025

Sample Question 1
Which of the following is not one of the three main categories of cryptography?

Steganography

Physical

Mathematical

Quantum

Sample Question 2
Which type of cipher is a simple coding system that changes one character or symbol into another?

Reverseography

Steganography

Transposition

Substitution

Fundamentals Of Cryptography and Security Services! Trivia Quiz

Explore the Fundamentals of Cryptography and Security Services in this engaging trivia quiz! Dive into scenarios involving secure communications, symmetric keys, and cryptanalysis, enhancing your understanding of essential...

Questions: 6 | Attempts: 934 | Last updated: Mar 22, 2025

Sample Question 1
Jim and Joe work at Crypty Solutions Inc. They want to share messages in a secure way where it is immune to attacks. What do you think Jim and Joe should implement?

Cryptography

Cryptanalysis

Either (a) or (b)

Neither (a) nor (b)

Sample Question 2
Now, Jim and Joe want their secret messages to be shared via a single key. Which cipher according to you is suitable in this case?

Symmetric-Key

Asymmetric-Key

Either (a) or (b)

Neither (a) nor (b)

Recent Cryptography Quizzes

Asymmetric Cryptosystem Quiz! Trivia

Questions: 15 | Attempts: 2693 | Last updated: Mar 21, 2025

Sample Question
In the RSA algorithm, we select 2 random large values ‘p’ and ‘q’. Which of the following is the property of ‘p’ and ‘q’?

P and q should be divisible by Ф(n)

P and q should be co-prime

P and q should be prime

P/q should give no remainder

Security and Cryptography Quiz: Test!

Questions: 100 | Attempts: 2413 | Last updated: Jan 19, 2025

Sample Question
A message is authentic and digitally signed if sent with:

A message digest/hash encrypted with the sender’s private key

A message digest/hash encrypted with the sender’s public key

A message digest/hash encrypted with the receiver’s private key

A message digest/hash encrypted with the receiver’s private key

What Goal Of Cryptography Is Gary Attempting To Achieve?

Questions: 10 | Attempts: 893 | Last updated: Sep 2, 2025

Sample Question
Betty receives a cipher text message from her colleague Tim. What type of function does Betty need to use to read the plaintext message?

Encryption

Hashing

Decryption

Validation

Encryption Algorithm Trivia Quiz!

Questions: 32 | Attempts: 381 | Last updated: Mar 22, 2025

Sample Question
_____________________ defines what size of plain text should be encrypted in each step of algorithm.

Algorithm types

Stream cipher

Algorithm mode

Block cipher

Trivia Quiz: How Well Do You Know About Cryptography and Network Security?

Questions: 16 | Attempts: 246 | Last updated: Oct 22, 2025

Sample Question
Below are the properties of a Good Cryptosystem. EXCEPT;

Produce plaintext from ciphertext without the key

The ciphertext must be indistinguishable from true random values.

Enumerating all possible keys must be infeasible.

There should be no way short of enumerating all possible keys to ﬁnd the key from any reasonable amount of ciphertext and plaintext, nor any way to produce plaintext from ciphertext without the key.