Questions and Answers
What are the two basic goals of cryptography?
Data authenticity and data privacy
Which encryption scheme is also known as public-key encryption?
Asymmetric encryption
What are the three parts of a block cipher application?
Encryption, key generation, and decryption
What is the size of a DES block in bits?
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Which security goal of cryptography ensures that an adversary should not be able to modify a message?
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What is the purpose of a message authentication code (MAC) in cryptography?
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What is the correct viewpoint regarding block ciphers?
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What is the common element for achieving confusion in encryption?
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According to Claude Shannon, what is diffusion in encryption?
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Which encryption algorithm is often used for achieving diffusion?
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What did Claude Shannon propose as important operations for building strong encryption algorithms?
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Which characteristic should determine the amount of labor appropriate for encryption and decryption according to Shannon's guide?
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What is the primary purpose of message authentication codes?
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What is the purpose of authenticated encryption?
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What is the main property of modern block ciphers achieved through diffusion?
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What should determine the amount of labor appropriate for encryption and decryption according to Shannon's guide?
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