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    Question

    What is the main purpose of a digital signature in

    public key cryptography?
    A Encrypting data Correct Answer Incorrect Answer
    B Decrypting data Correct Answer Incorrect Answer
    C Verifying data integrity and authenticity Correct Answer Incorrect Answer
    D Ensuring fast data transmission Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    A digital signature in public key cryptography is used to verify the integrity and authenticity of data. It ensures that the data has not been altered and that it was indeed generated by the claimed sender. This is achieved by using the sender's private key to sign the data.

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