Question: Select one answer that is most appropriate. Partial credits may be given. a . PKC does authentication in the form of digital signature. b .

Select one answer that is most appropriate. Partial credits may be given.
a.
PKC does authentication in the form of digital signature.
b.
A digital signature is a short message encrypted by the owner's private key using PKC, such as RSA.
c.
Both a and b.
d.
Authentication cannot be done using PKC because nobody can trust the public key of the signer.

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