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2 Comments on “Which of the following would achieve this?

  1. Mike says:

    I think it is B:

    From Kingfisher book:
    A key stretching technique will take a weak key,
    process it, and output an enhanced and more powerful key. Often, this process will
    increase the size of the key to 128 bits, making attacks such as brute-force attacks
    much more difficult, if not impossible. Examples of key stretching software include
    PBKDF2 and bcrypt.



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