Encryption can be used to achieve which of the following security services on…

2022

Encryption can be used to achieve which of the following security services on its own?

  1. A.

    Confidentiality

  2. B.

    Data integrity

  3. C.

    Authentication

  4. D.

    Non-repudiation

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Correct answer: A

Encryption transforms plaintext into unreadable ciphertext so unauthorized users cannot understand the data. By itself, encryption provides confidentiality. It does not automatically provide data integrity, authentication, or non-repudiation; those require additional mechanisms such as hashes, MACs, certificates, or digital signatures.

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