Question: CTR and OFB are both modes used for block algorithms. Which of the following does not describe a true difference between them?
A. OFB uses IV values, and CTR uses values that are incremented.
B. CTR uses chaining in its encryption process, and OFB does not.
C. CTR encryption and decryption processes can happen in parallel, and OFB processes cannot.
D. CTR has better performance than OFB.

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