16.4.2 - Encryption Process
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Practice Questions
Test your understanding with targeted questions
What are the two keys used in public key cryptography?
💡 Hint: Think about the terms used for keys.
What does ciphertext refer to?
💡 Hint: Consider what happens to a message during encryption.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of public key cryptography over symmetric key systems?
💡 Hint: Consider the role of public and private keys.
True or False: ElGamal encryption relies on the difficulty of factorizing large integers.
💡 Hint: Think about the mathematical foundation of ElGamal.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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