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Questions and Answers
What was announced by NIST in 2007?
What is the name of the winning design of the SHA-3 competition?
What is the main idea behind digital signatures?
Why are digital signatures created and verified over the hash of the message?
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What is the primary purpose of adding a Frame Check Sequence (FCS) to a message?
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What is the purpose of a public key in digital signatures?
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What does public-key encryption provide?
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What is the purpose of a Message Authentication Code (MAC)?
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What is a characteristic of a MAC function?
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What is shared between the sender and receiver in a MAC-based system?
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What is another name for a MAC?
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What is the purpose of using hash functions in authentication and digital signatures?
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What is the advantage of using keyed hash functions over block ciphers?
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What is the purpose of the HMAC structure?
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What is the condition for HMAC security?
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What is the minimum number of block hash calculations required for HMAC?
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What is the requirement for attacking HMAC with a birthday attack?
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Why is public key encryption not used for bulk message encryption?
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What is the purpose of the enveloping mechanism in cryptography?
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What is the main advantage of symmetric cryptography?
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What is the primary use of a session key (Ks)?
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What topics will be covered next in the course?
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What is the primary difference between EP and DP?
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What is the main objective of collision-resistant hash functions in digital signatures?
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What is the main idea behind the Birthday attack?
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What is the advantage of Elliptic Curve Cryptography (ECC) over RSA?
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What does Message Authentication provide?
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What is the purpose of Message Authentication Code (MAC) functions?
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What is the advantage of using Hash-based MAC over encryption for message authentication?
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