brown.charles58
brown.charles58 Mar 14, 2026 • 0 views

Hashing Algorithms Quiz: Test Your Knowledge of One-Way Functions

Hey everyone! 👋 Let's test your knowledge of hashing algorithms! This quiz will help you understand these essential one-way functions better. Good luck! 🍀
💻 Computer Science & Technology
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shane282 Jan 4, 2026

📚 Quick Study Guide

  • 🔑 Hashing algorithms are one-way functions: easy to compute, hard to reverse.
  • 🛡️ They provide data integrity by creating a fixed-size hash (or digest) of variable-size input.
  • ✨ Common algorithms include MD5, SHA-1, SHA-256, SHA-3.
  • 🕒 MD5 and SHA-1 are considered weak due to collision vulnerabilities.
  • 🔒 SHA-256 and SHA-3 are more secure and widely used today.
  • 🔢 A collision occurs when two different inputs produce the same hash value.
  • 💡 Hashing is used in password storage, data indexing, and cryptography.

Practice Quiz

  1. Which of the following is a key characteristic of a hashing algorithm?
    • A) Two-way function
    • B) Reversible function
    • C) One-way function
    • D) Encryption algorithm
  2. What is the primary purpose of a hashing algorithm?
    • A) To encrypt data
    • B) To compress data
    • C) To generate a fixed-size representation of data
    • D) To decrypt data
  3. Which hashing algorithm is considered cryptographically broken and should not be used for new applications?
    • A) SHA-256
    • B) SHA-3
    • C) MD5
    • D) Whirlpool
  4. What is a "collision" in the context of hashing algorithms?
    • A) When the algorithm fails to produce an output
    • B) When two different inputs produce the same hash value
    • C) When the hash value is too long
    • D) When the hash value is too short
  5. Which of the following is a common application of hashing algorithms?
    • A) Image compression
    • B) Password storage
    • C) Video streaming
    • D) Audio editing
  6. Which hashing algorithm is part of the SHA-2 family?
    • A) MD5
    • B) SHA-1
    • C) SHA-256
    • D) RIPEMD-160
  7. Which of the following is a more recent hashing algorithm designed to improve security and performance compared to SHA-2?
    • A) MD6
    • B) SHA-128
    • C) SHA-3
    • D) RIPEMD-320
Click to see Answers
  1. C
  2. C
  3. C
  4. B
  5. B
  6. C
  7. C

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