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Questions and Answers
What additional security features does a digital signature provide apart from non-repudiation?
How does the verifier ensure message authenticity when validating a digital signature?
What happens if an attacker modifies the data before it reaches the receiver in a digital signature scheme?
How does the receiver verify the authenticity of a digital signature in a sign-then-encrypt system?
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In Knapsack Encryption Algorithm, which knapsack problem is used as the public key?
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What characterizes a super increasing knapsack problem in Knapsack Encryption Algorithm?
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Why is encrypt-then-sign method preferred over sign-then-encrypt in digital communications?
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What security feature does a digital signature provide apart from non-repudiation?
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In a digital signature scheme, what happens if an attacker modifies the data before it reaches the receiver?
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What role does public-key encryption play in a digital signature scheme?
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Why is the 'sign-then-encrypt' method not preferred in combining digital signatures with encryption?
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What element of security is achieved by combining digital signatures with encryption?
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In a sign-then-encrypt system, what is the risk associated with the 'sign-then-encrypt' approach?
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What distinguishes a super increasing knapsack problem in Knapsack Encryption Algorithm?
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How does the verifier ensure message authenticity when validating a digital signature?
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What does the receiver do after verifying the digital signature in a 'encrypt-then-sign' system?
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What is achieved by combining digital signatures with encryption in a cryptosystem?
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Which element is not provided by a digital signature alone?
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