"Given a hash function H, with n possible outputs and a specific value H(x), if H is applied to k random inputs, what must be the value of k so that the probability that at least one input y satisfies H(y) = H(x) is 0.5" is a reference to the __________ .
A)authentication code
B)collision resistant
C)big endian
D)birthday attack

Question

Quizplus · Accepted Answer

This question describes the scenario of a birthday attack, which involves finding two inputs that result in the same hash output. The probability mentioned is related to the birthday paradox, which in cryptography is used to estimate the effort needed to find a hash collision.

"Given a Hash Function H, with N Possible Outputs and a Specific