All the Following Statements About Symmetric Key Encryption Are True

question 17

Multiple Choice

All the following statements about symmetric key encryption are true except:

• A) In symmetric key encryption, both the sender and the receiver use the same key to encrypt and decrypt a message.
• B) The Data Encryption Standard is a symmetric key encryption system.
• C) Symmetric key encryption is computationally slower.
• D) Symmetric key encryption is a key element in digital envelopes.

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