Practice Encryption Process - 16.4.2 | 16. Lecture - 64 | Discrete Mathematics - Vol 3
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16.4.2 - Encryption Process

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are the two keys used in public key cryptography?

💡 Hint: Think about the terms used for keys.

Question 2

Easy

What does ciphertext refer to?

💡 Hint: Consider what happens to a message during encryption.

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 advantage of public key cryptography over symmetric key systems?

  • A) It requires both parties to share a secret key.
  • B) It allows secure communication without sharing a secret key beforehand.
  • C) It is faster than symmetric key cryptography.

💡 Hint: Consider the role of public and private keys.

Question 2

True or False: ElGamal encryption relies on the difficulty of factorizing large integers.

💡 Hint: Think about the mathematical foundation of ElGamal.

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Challenge Problems

Push your limits with challenges.

Question 1

Using RSA, describe how you would encrypt a message if your public key is (N=15, e=7) and the message is 3. What would be the ciphertext?

💡 Hint: Use exponentiation and modulo operations to find the answer.

Question 2

Discuss the implications of a scenario where the private key of an ElGamal encryption system is compromised. What would be the worst-case scenario?

💡 Hint: Think about the effects on confidentiality and sender authenticity.

Challenge and get performance evaluation