In ______ authentication, the claimant proves that she knows the secret…
2020
In ______ authentication, the claimant proves that she knows the secret without sending it to the verifier.
- A.
asymmetric
- B.
zero knowledge
- C.
symmetric
- D.
challenge response
Attempted by 143 students.
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Correct answer: D
The correct option is D. In challenge-response authentication, the verifier sends a challenge (like a random nonce). The claimant processes it using their secret key and returns the response. This proves possession of the secret without ever sending the secret itself over the network.