Practice Security of ElGamal Encryption Scheme - 16.4.4 | 16. Lecture - 64 | Discrete Mathematics - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a public key in the ElGamal encryption scheme?

💡 Hint: Think about its role in the communication process.

Question 2

Easy

Define the discrete logarithm problem in simple terms.

💡 Hint: Relate it to the security of ElGamal.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main security premise of the ElGamal encryption scheme?

  • It uses symmetric keys
  • It relies on the difficulty of the discrete logarithm problem
  • It requires both parties to be online

💡 Hint: Consider how messages are secured in cryptography.

Question 2

True or False: In ElGamal encryption, the public key is used for decryption.

  • True
  • False

💡 Hint: Think about the roles of public and private keys.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a scenario where Alice wants to send a secret message to Bob using ElGamal encryption. Describe the steps she would take to secure her message.

💡 Hint: Outline the key generation and encryption processes distinctly.

Question 2

Evaluate the implications if an efficient algorithm for the discrete logarithm problem were discovered. What preventive measures could be taken in cryptographic systems?

💡 Hint: Think about what alternatives exist in cryptographic practices.

Challenge and get performance evaluation