Which of the following statements about symmetric key cryptography is not true?
A) Symmetric key cryptography uses one shared key.
B) Symmetric algorithms can provide confidentiality.
C) Symmetric algorithms can provide nonrepudiation and authenticity.
D) Symmetric key cryptography uses a single secret key.

Question

Quizplus · Accepted Answer

Symmetric algorithms primarily provide confidentiality through encryption and decryption using a shared secret key. Nonrepudiation and authenticity are typically provided by asymmetric cryptography, not symmetric, because symmetric keys are shared and do not inherently link an action to a specific user's identity.

Which of the Following Statements About Symmetric Key Cryptography Is