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Which of the following key management principles is incorrect?
Key lengths should be long
Keys should be extremely random
Keys should be easy to memorize
Keys should be stored securely
The question is badly written, as in the previous question, it asks for a good key management principle there the correct answer was- easy to memorize. Here for the incorrect key management principles- the same answer. What is the correct answer then? I think the correct answer is Keys should be extremely random- as then even the owner wont remember the keys.
Again, question is misleading. Some keys should be easy to memorize and others should be as random as possible. It really depends on the key, and the questions does not provide specifics. In general, easy to memorize keys are more susceptible to dictionary attacks, while keys generated under a FIPS 140-2 complaint module will be much more difficult to break. In this case I would say that the MOST correct answer here is: Keys should be easy to memorize.
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