Answer is C
Cipher feedback mode allows a block cipher with block size n bits to be used as a stream cipher with a data encryption unit of m bits, for any m ≤ n. In CFB mode, the block cipher operates on a register of n bits. The register is initially filled with an initialization vector.
The encryption technology that has the ability to function as a stream cipher among the options provided is option C: Cipher Feedback (CFB).
Stream ciphers are encryption algorithms that encrypt data one bit or one byte at a time, providing a continuous stream of encrypted output. They are typically used for real-time applications or when encrypting large amounts of data.
Answer C
https://www.geeksforgeeks.org/difference-between-block-cipher-and-stream-cipher/?ref=lbp
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