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An attack based on the probability of two different messages using the same hash function producing a common m

An attack based on the probability of two different messages using the same hash function producing a common message digest is called a:

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A.
Differential cryptanalysis

B.
Differential linear cryptanalysis

C.
Birthday attack

D.
Statistical attack

Explanation:
A birthday attack is usually based on the probability of two different
messages using the same hash function producing a common message digest. The name
comes from the fact that in a room with 23 people, the probability of two or more
people having the same birthday is greater than 50 percent.


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