Consider the following two statements: (i) A hash function (these are often…
GATE · 2007 · IT
Consider the following two statements:
(i) A hash function (these are often used for computing digital signatures) is an injective function.
(ii) An 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?
- A.
Both are false
- B.
Statement (i) is true and the other is false
- C.
Statement (ii) is true and the other is false
- D.
Both are true
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