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Block encryption in the cipher block chaining

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Reference no: EM132447481

You want to 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 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?

Reference no: EM132447481

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