Cipher Block Chaining Is a Simple Way to Satisfy the Security

question 30

True/False

Cipher Block Chaining is a simple way to satisfy the security deficiencies of ECB.

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Definitions:

Profitability Index

A calculation used to assess the attractiveness of an investment or project, equal to the present value of future cash flows divided by the initial investment cost.

Net Present Value

The difference between the current value of cash inflows and the current value of cash outflows over a period of time, used in capital budgeting to analyze the profitability of an investment.

Required Rate

The minimum yearly earnings percentage necessary to lure individual or corporate investors into a specific project or security.

Payback Period

The timeframe required for an investment to generate cash flows sufficient to recover its initial cost.