“build a hardware device to do block encryption in the cipher block chaining (CBC) mode using an algorithm stronger than DES. 3DES is a good candidate. Figure 7.17 ( Attached in the file) shows two possibilities, both of which follow from the definition of CBC. Which of the two would you choose and why: 

For security?
For performance?

Should be in APA format minimum 2 pages ( Excluding References & tittle page )”

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