__________ is the concept that disclosure of the long-term secret keying material that is used to derive an agreed key does not compromise the secrecy of agreed keys that had previously been…

The correct answer is C. Perfect forward secrecy. Perfect forward secrecy means that if an attacker discovers the material used to derive a key, that does not compromise previously generated keys. This is important as it prevents those keys from having to be replaced. Answer option A is incorrect. An authentication protocol is…

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Question

__________ is the concept that disclosure of the long-term secret keying material that is used to derive an agreed key does not compromise the secrecy of agreed keys that had previously been generated.

Options

AAuthentication protocol
BDiffie-Hellman
CPerfect forward secrecy
DKey exchange protocol

How the community answered

(33 responses)

B
3% (1)
C
88% (29)
D
9% (3)

Explanation

Perfect forward secrecy means that if an attacker discovers the material used to derive a key, that does not compromise previously generated keys. This is important as it prevents those keys from having to be replaced. Answer option A is incorrect. An authentication protocol is any protocol used to verify the identity of a user or machine in network communications. Answer option B is incorrect. Diffie-Hellman is a protocol for exchanging keys over an insecure Answer option D is incorrect. Key exchange protocols are only concerned with exchanging a symmetric key, not with the situation that might arise should the key derivation process become

Topics

#perfect forward secrecy#key management#cryptography#session key protection

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