Question: Q4. (16 points). Explain the difference between CFB and OFB modes of block cipher operation. What mode is more reliable? Why? Hints: 2 Encrypt Decrypt

Q4. (16 points). Explain the difference between CFB and OFB modes

Q4. (16 points). Explain the difference between CFB and OFB modes of block cipher operation. What mode is more reliable? Why? Hints: 2 Encrypt Decrypt TH Figure 3.13 -hit Cipher Feedback CF Mode Figure 3.14-bit Output Feedback (OF) Mode

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