Which is the public key cryptographic algorithm among the following?

2022

Which is the public key cryptographic algorithm among the following?

  1. A.

    Diffie–Hellman key agreement protocol

  2. B.

    Key generation algorithm

  3. C.

    Signalling algorithm

  4. D.

    None of the above

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Correct answer: A

Diffie–Hellman is a public-key key agreement (key exchange) protocol used to let two parties securely establish a shared secret over an insecure channel. Purpose: Establish a shared secret (typically used to derive symmetric keys) rather than directly encrypting or signing messages.

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