Which statement correctly distinguishes symmetric and asymmetric cryptography?

Options

  • A. Symmetric cryptography uses one key, while asymmetric cryptography uses a pair of keys
  • B. Symmetric cryptography always uses a public and private key pair
  • C. Asymmetric cryptography uses no keys
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. Symmetric cryptography uses one key, while asymmetric cryptography uses a pair of keys

Detailed Explanation

Symmetric cryptography generally uses the same secret key for encryption and decryption. Asymmetric cryptography uses two related keys: a public key and a private key.
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