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Consider the following two statements:

  1. A hash function (these are often used for computing digital signatures) is an injective function.
  2. A. encryption technique such as DES performs a permutation on the elements of its input alphabet.

Which one of the following options is valid for the above two statements?

  1. Both are false
  2. Statement (i) is true and the other is false
  3. Statement (ii) is true and the other is false
  4. Both are true
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